./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/external_calls/external_hash_known_code_state_reentrancy.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:35,986 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:36,022 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e899237-8871-49ae-8a81-cf5a235bf026/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:36,025 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:36,025 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:36,039 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:36,039 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:36,039 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:36,039 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:36,039 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:36,040 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:36,040 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:36,040 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:36,040 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:36,040 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:36,040 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:36,040 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:36,040 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:36,040 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:36,041 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:36,041 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:36,041 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:36,041 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:36,041 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:36,041 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:36,041 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:36,042 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:36,216 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:36,224 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:36,226 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:36,227 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:36,227 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:36,228 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e899237-8871-49ae-8a81-cf5a235bf026/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/external_calls/external_hash_known_code_state_reentrancy.sol_0_no_adts_000.smt2
[2025-05-07 17:28:36,229 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:36,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:36,482 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e899237-8871-49ae-8a81-cf5a235bf026/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/external_calls/external_hash_known_code_state_reentrancy.sol_0_no_adts_000.smt2
[2025-05-07 17:28:36,484 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:36,485 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:36,486 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:36,486 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:36,486 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:36,488 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,528 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36 Unit
[2025-05-07 17:28:36,528 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:36,529 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:36,529 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:36,529 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:36,539 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,540 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,570 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,570 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,578 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,579 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,581 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,584 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,586 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,596 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:36,597 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:36,597 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:36,597 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:36,597 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (1/1) ...
[2025-05-07 17:28:36,599 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:36,608 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:36,617 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 17:28:36,619 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 17:28:36,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:36,626 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:36,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:36,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_6_0 given in one single declaration
[2025-05-07 17:28:36,626 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_6_0
[2025-05-07 17:28:36,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_6_0
[2025-05-07 17:28:36,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_5_C_67_0 given in one single declaration
[2025-05-07 17:28:36,626 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_5_C_67_0
[2025-05-07 17:28:36,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_5_C_67_0
[2025-05-07 17:28:36,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_7_C_67_0 given in one single declaration
[2025-05-07 17:28:36,627 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_7_C_67_0
[2025-05-07 17:28:36,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_7_C_67_0
[2025-05-07 17:28:36,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_38_C_67_0 given in one single declaration
[2025-05-07 17:28:36,627 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_38_C_67_0
[2025-05-07 17:28:36,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_38_C_67_0
[2025-05-07 17:28:36,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_8_constructor_32_67_0 given in one single declaration
[2025-05-07 17:28:36,627 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_8_constructor_32_67_0
[2025-05-07 17:28:36,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_8_constructor_32_67_0
[2025-05-07 17:28:36,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_37_return_constructor_32_67_0 given in one single declaration
[2025-05-07 17:28:36,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_37_return_constructor_32_67_0
[2025-05-07 17:28:36,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_37_return_constructor_32_67_0
[2025-05-07 17:28:36,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_36__31_67_0 given in one single declaration
[2025-05-07 17:28:36,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_36__31_67_0
[2025-05-07 17:28:36,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_36__31_67_0
[2025-05-07 17:28:36,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_35_constructor_32_67_0 given in one single declaration
[2025-05-07 17:28:36,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_35_constructor_32_67_0
[2025-05-07 17:28:36,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_35_constructor_32_67_0
[2025-05-07 17:28:36,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_40_C_67_0 given in one single declaration
[2025-05-07 17:28:36,628 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_40_C_67_0
[2025-05-07 17:28:36,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_40_C_67_0
[2025-05-07 17:28:36,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_39_C_67_0 given in one single declaration
[2025-05-07 17:28:36,628 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_39_C_67_0
[2025-05-07 17:28:36,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_39_C_67_0
[2025-05-07 17:28:36,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_41_C_67_0 given in one single declaration
[2025-05-07 17:28:36,628 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_41_C_67_0
[2025-05-07 17:28:36,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_41_C_67_0
[2025-05-07 17:28:36,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_12_function_g__66_67_0 given in one single declaration
[2025-05-07 17:28:36,628 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_12_function_g__66_67_0
[2025-05-07 17:28:36,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_12_function_g__66_67_0
[2025-05-07 17:28:36,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_11_function_g__66_67_0 given in one single declaration
[2025-05-07 17:28:36,628 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_11_function_g__66_67_0
[2025-05-07 17:28:36,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_11_function_g__66_67_0
[2025-05-07 17:28:36,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_32_return_function_g__66_67_0 given in one single declaration
[2025-05-07 17:28:36,629 INFO  L130     BoogieDeclarations]: Found specification of procedure block_32_return_function_g__66_67_0
[2025-05-07 17:28:36,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_32_return_function_g__66_67_0
[2025-05-07 17:28:36,629 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_31_g_65_67_0 given in one single declaration
[2025-05-07 17:28:36,629 INFO  L130     BoogieDeclarations]: Found specification of procedure block_31_g_65_67_0
[2025-05-07 17:28:36,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_31_g_65_67_0
[2025-05-07 17:28:36,629 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_30_function_g__66_67_0 given in one single declaration
[2025-05-07 17:28:36,629 INFO  L130     BoogieDeclarations]: Found specification of procedure block_30_function_g__66_67_0
[2025-05-07 17:28:36,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_30_function_g__66_67_0
[2025-05-07 17:28:36,629 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_34_function_g__66_67_0 given in one single declaration
[2025-05-07 17:28:36,629 INFO  L130     BoogieDeclarations]: Found specification of procedure block_34_function_g__66_67_0
[2025-05-07 17:28:36,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_34_function_g__66_67_0
[2025-05-07 17:28:36,629 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_10_function_f__58_67_0 given in one single declaration
[2025-05-07 17:28:36,629 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_10_function_f__58_67_0
[2025-05-07 17:28:36,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_10_function_f__58_67_0
[2025-05-07 17:28:36,629 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_29_function_f__58_67_0 given in one single declaration
[2025-05-07 17:28:36,629 INFO  L130     BoogieDeclarations]: Found specification of procedure block_29_function_f__58_67_0
[2025-05-07 17:28:36,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_29_function_f__58_67_0
[2025-05-07 17:28:36,629 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_f__58_67_0 given in one single declaration
[2025-05-07 17:28:36,629 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_f__58_67_0
[2025-05-07 17:28:36,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_f__58_67_0
[2025-05-07 17:28:36,630 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_28_function_f__58_67_0 given in one single declaration
[2025-05-07 17:28:36,630 INFO  L130     BoogieDeclarations]: Found specification of procedure block_28_function_f__58_67_0
[2025-05-07 17:28:36,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_28_function_f__58_67_0
[2025-05-07 17:28:36,630 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_f_57_67_0 given in one single declaration
[2025-05-07 17:28:36,630 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_f_57_67_0
[2025-05-07 17:28:36,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_f_57_67_0
[2025-05-07 17:28:36,630 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_f__58_67_0 given in one single declaration
[2025-05-07 17:28:36,630 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_f__58_67_0
[2025-05-07 17:28:36,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_f__58_67_0
[2025-05-07 17:28:36,630 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure nondet_call_26_0 given in one single declaration
[2025-05-07 17:28:36,630 INFO  L130     BoogieDeclarations]: Found specification of procedure nondet_call_26_0
[2025-05-07 17:28:36,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure nondet_call_26_0
[2025-05-07 17:28:36,630 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure nondet_interface_6_C_67_0 given in one single declaration
[2025-05-07 17:28:36,630 INFO  L130     BoogieDeclarations]: Found specification of procedure nondet_interface_6_C_67_0
[2025-05-07 17:28:36,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure nondet_interface_6_C_67_0
[2025-05-07 17:28:36,630 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_25_return_function_f__58_67_0 given in one single declaration
[2025-05-07 17:28:36,630 INFO  L130     BoogieDeclarations]: Found specification of procedure block_25_return_function_f__58_67_0
[2025-05-07 17:28:36,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_25_return_function_f__58_67_0
[2025-05-07 17:28:36,630 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_27_function_f__58_67_0 given in one single declaration
[2025-05-07 17:28:36,631 INFO  L130     BoogieDeclarations]: Found specification of procedure block_27_function_f__58_67_0
[2025-05-07 17:28:36,631 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_27_function_f__58_67_0
[2025-05-07 17:28:36,631 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:36,631 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:36,631 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:36,789 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:36,791 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:37,025 INFO  L?                        ?]: Removed 237 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:37,025 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:37,033 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:37,034 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-05-07 17:28:37,034 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:37 BoogieIcfgContainer
[2025-05-07 17:28:37,034 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:37,035 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:37,035 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:37,038 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:37,038 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:36" (1/3) ...
[2025-05-07 17:28:37,039 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b83654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:37, skipping insertion in model container
[2025-05-07 17:28:37,039 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:36" (2/3) ...
[2025-05-07 17:28:37,039 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b83654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:37, skipping insertion in model container
[2025-05-07 17:28:37,039 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:37" (3/3) ...
[2025-05-07 17:28:37,040 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:37,050 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:37,052 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 29 procedures, 121 locations, 191 edges, 29 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:37,081 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:37,090 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;@5ab33354, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:37,090 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:37,093 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 121 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 56 states have internal predecessors, (56), 43 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 37 states have call predecessors, (45), 43 states have call successors, (45)
[2025-05-07 17:28:37,100 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2025-05-07 17:28:37,101 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:37,101 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]
[2025-05-07 17:28:37,101 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:37,105 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:37,105 INFO  L85        PathProgramCache]: Analyzing trace with hash -2015080782, now seen corresponding path program 1 times
[2025-05-07 17:28:37,110 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:37,110 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330281336]
[2025-05-07 17:28:37,111 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:37,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:37,163 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes.
[2025-05-07 17:28:37,232 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements.
[2025-05-07 17:28:37,232 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:37,232 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:37,474 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 17:28:37,475 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:37,475 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330281336]
[2025-05-07 17:28:37,476 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330281336] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:37,476 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:37,479 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:28:37,481 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873350087]
[2025-05-07 17:28:37,481 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:37,485 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:28:37,485 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:37,514 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:28:37,515 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:28:37,517 INFO  L87              Difference]: Start difference. First operand  has 121 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 56 states have internal predecessors, (56), 43 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 37 states have call predecessors, (45), 43 states have call successors, (45) Second operand  has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19)
[2025-05-07 17:28:37,574 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:37,575 INFO  L93              Difference]: Finished difference Result 122 states and 145 transitions.
[2025-05-07 17:28:37,576 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:28:37,577 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) Word has length 71
[2025-05-07 17:28:37,577 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:37,584 INFO  L225             Difference]: With dead ends: 122
[2025-05-07 17:28:37,584 INFO  L226             Difference]: Without dead ends: 112
[2025-05-07 17:28:37,585 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 17:28:37,587 INFO  L437           NwaCegarLoop]: 135 mSDtfsCounter, 1 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:37,588 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 529 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:37,599 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2025-05-07 17:28:37,619 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110.
[2025-05-07 17:28:37,620 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 50 states have internal predecessors, (50), 37 states have call successors, (38), 27 states have call predecessors, (38), 27 states have return successors, (38), 33 states have call predecessors, (38), 37 states have call successors, (38)
[2025-05-07 17:28:37,624 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions.
[2025-05-07 17:28:37,625 INFO  L79                 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 71
[2025-05-07 17:28:37,626 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:37,626 INFO  L485      AbstractCegarLoop]: Abstraction has 110 states and 126 transitions.
[2025-05-07 17:28:37,626 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19)
[2025-05-07 17:28:37,626 INFO  L278                IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions.
[2025-05-07 17:28:37,628 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2025-05-07 17:28:37,628 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:37,628 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]
[2025-05-07 17:28:37,628 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:37,628 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:37,629 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:37,629 INFO  L85        PathProgramCache]: Analyzing trace with hash 953633078, now seen corresponding path program 1 times
[2025-05-07 17:28:37,629 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:37,629 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640804398]
[2025-05-07 17:28:37,629 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:37,629 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:37,666 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes.
[2025-05-07 17:28:37,690 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements.
[2025-05-07 17:28:37,690 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:37,690 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:37,795 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 17:28:37,795 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:37,795 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640804398]
[2025-05-07 17:28:37,795 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640804398] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:37,795 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:37,795 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:28:37,795 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407683917]
[2025-05-07 17:28:37,795 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:37,796 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:28:37,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:37,797 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:28:37,797 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:28:37,797 INFO  L87              Difference]: Start difference. First operand 110 states and 126 transitions. Second operand  has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)
[2025-05-07 17:28:37,848 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:37,849 INFO  L93              Difference]: Finished difference Result 116 states and 135 transitions.
[2025-05-07 17:28:37,849 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:28:37,849 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 71
[2025-05-07 17:28:37,850 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:37,851 INFO  L225             Difference]: With dead ends: 116
[2025-05-07 17:28:37,851 INFO  L226             Difference]: Without dead ends: 116
[2025-05-07 17:28:37,852 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 17:28:37,852 INFO  L437           NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:37,852 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 485 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:37,853 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2025-05-07 17:28:37,858 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114.
[2025-05-07 17:28:37,859 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 52 states have internal predecessors, (52), 37 states have call successors, (38), 27 states have call predecessors, (38), 29 states have return successors, (43), 34 states have call predecessors, (43), 37 states have call successors, (43)
[2025-05-07 17:28:37,860 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions.
[2025-05-07 17:28:37,860 INFO  L79                 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 71
[2025-05-07 17:28:37,860 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:37,860 INFO  L485      AbstractCegarLoop]: Abstraction has 114 states and 133 transitions.
[2025-05-07 17:28:37,860 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)
[2025-05-07 17:28:37,861 INFO  L278                IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions.
[2025-05-07 17:28:37,862 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2025-05-07 17:28:37,862 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:37,862 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]
[2025-05-07 17:28:37,862 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:37,862 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:37,863 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:37,863 INFO  L85        PathProgramCache]: Analyzing trace with hash -1881127827, now seen corresponding path program 1 times
[2025-05-07 17:28:37,863 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:37,863 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117739058]
[2025-05-07 17:28:37,863 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:37,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:37,892 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes.
[2025-05-07 17:28:37,908 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements.
[2025-05-07 17:28:37,909 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:37,909 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,027 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 17:28:38,028 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,028 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117739058]
[2025-05-07 17:28:38,028 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117739058] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,028 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,028 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:38,028 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947977153]
[2025-05-07 17:28:38,028 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,028 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:38,028 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,029 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:38,029 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:38,029 INFO  L87              Difference]: Start difference. First operand 114 states and 133 transitions. Second operand  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 5 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2025-05-07 17:28:38,079 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,079 INFO  L93              Difference]: Finished difference Result 119 states and 140 transitions.
[2025-05-07 17:28:38,080 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:38,080 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 5 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 74
[2025-05-07 17:28:38,080 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,082 INFO  L225             Difference]: With dead ends: 119
[2025-05-07 17:28:38,082 INFO  L226             Difference]: Without dead ends: 119
[2025-05-07 17:28:38,082 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 17:28:38,083 INFO  L437           NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:38,083 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 597 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:38,084 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2025-05-07 17:28:38,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119.
[2025-05-07 17:28:38,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 50 states have (on average 1.08) internal successors, (54), 54 states have internal predecessors, (54), 38 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (47), 37 states have call predecessors, (47), 38 states have call successors, (47)
[2025-05-07 17:28:38,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 140 transitions.
[2025-05-07 17:28:38,094 INFO  L79                 Accepts]: Start accepts. Automaton has 119 states and 140 transitions. Word has length 74
[2025-05-07 17:28:38,095 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,095 INFO  L485      AbstractCegarLoop]: Abstraction has 119 states and 140 transitions.
[2025-05-07 17:28:38,095 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 5 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2025-05-07 17:28:38,095 INFO  L278                IsEmpty]: Start isEmpty. Operand 119 states and 140 transitions.
[2025-05-07 17:28:38,097 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2025-05-07 17:28:38,097 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,098 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]
[2025-05-07 17:28:38,098 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:38,098 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,098 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,099 INFO  L85        PathProgramCache]: Analyzing trace with hash 1795433115, now seen corresponding path program 1 times
[2025-05-07 17:28:38,099 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,099 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543356704]
[2025-05-07 17:28:38,099 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,099 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,124 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes.
[2025-05-07 17:28:38,137 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements.
[2025-05-07 17:28:38,138 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,138 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,220 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 17:28:38,220 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,220 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543356704]
[2025-05-07 17:28:38,220 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543356704] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,220 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,220 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:38,220 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828325705]
[2025-05-07 17:28:38,220 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,221 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:38,221 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,221 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:38,221 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:38,221 INFO  L87              Difference]: Start difference. First operand 119 states and 140 transitions. Second operand  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 5 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2025-05-07 17:28:38,264 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,265 INFO  L93              Difference]: Finished difference Result 124 states and 147 transitions.
[2025-05-07 17:28:38,265 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:38,265 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 5 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 74
[2025-05-07 17:28:38,265 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,266 INFO  L225             Difference]: With dead ends: 124
[2025-05-07 17:28:38,266 INFO  L226             Difference]: Without dead ends: 124
[2025-05-07 17:28:38,267 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 17:28:38,267 INFO  L437           NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:38,267 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 623 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:38,268 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2025-05-07 17:28:38,273 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 119.
[2025-05-07 17:28:38,274 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 50 states have (on average 1.08) internal successors, (54), 54 states have internal predecessors, (54), 38 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (47), 37 states have call predecessors, (47), 38 states have call successors, (47)
[2025-05-07 17:28:38,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 140 transitions.
[2025-05-07 17:28:38,275 INFO  L79                 Accepts]: Start accepts. Automaton has 119 states and 140 transitions. Word has length 74
[2025-05-07 17:28:38,275 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,275 INFO  L485      AbstractCegarLoop]: Abstraction has 119 states and 140 transitions.
[2025-05-07 17:28:38,275 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 5 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2025-05-07 17:28:38,275 INFO  L278                IsEmpty]: Start isEmpty. Operand 119 states and 140 transitions.
[2025-05-07 17:28:38,276 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2025-05-07 17:28:38,276 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,276 INFO  L218           NwaCegarLoop]: trace histogram [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, 1, 1, 1, 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 17:28:38,276 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:38,276 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,277 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,277 INFO  L85        PathProgramCache]: Analyzing trace with hash -567072265, now seen corresponding path program 1 times
[2025-05-07 17:28:38,277 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,277 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678053343]
[2025-05-07 17:28:38,277 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,277 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,304 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes.
[2025-05-07 17:28:38,320 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements.
[2025-05-07 17:28:38,320 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,320 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,490 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2025-05-07 17:28:38,490 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,490 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678053343]
[2025-05-07 17:28:38,490 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678053343] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,490 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,490 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2025-05-07 17:28:38,491 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26398144]
[2025-05-07 17:28:38,491 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,491 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-05-07 17:28:38,491 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,492 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-05-07 17:28:38,492 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:38,492 INFO  L87              Difference]: Start difference. First operand 119 states and 140 transitions. Second operand  has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (26), 1 states have call predecessors, (26), 8 states have return successors, (26), 8 states have call predecessors, (26), 4 states have call successors, (26)
[2025-05-07 17:28:38,592 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,592 INFO  L93              Difference]: Finished difference Result 123 states and 147 transitions.
[2025-05-07 17:28:38,593 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2025-05-07 17:28:38,593 INFO  L79                 Accepts]: Start accepts. Automaton has  has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (26), 1 states have call predecessors, (26), 8 states have return successors, (26), 8 states have call predecessors, (26), 4 states have call successors, (26) Word has length 96
[2025-05-07 17:28:38,594 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,594 INFO  L225             Difference]: With dead ends: 123
[2025-05-07 17:28:38,595 INFO  L226             Difference]: Without dead ends: 123
[2025-05-07 17:28:38,595 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:38,595 INFO  L437           NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:38,595 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 914 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:38,596 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2025-05-07 17:28:38,601 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 119.
[2025-05-07 17:28:38,601 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 50 states have (on average 1.08) internal successors, (54), 54 states have internal predecessors, (54), 38 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (47), 38 states have call predecessors, (47), 38 states have call successors, (47)
[2025-05-07 17:28:38,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 140 transitions.
[2025-05-07 17:28:38,602 INFO  L79                 Accepts]: Start accepts. Automaton has 119 states and 140 transitions. Word has length 96
[2025-05-07 17:28:38,602 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,602 INFO  L485      AbstractCegarLoop]: Abstraction has 119 states and 140 transitions.
[2025-05-07 17:28:38,602 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (26), 1 states have call predecessors, (26), 8 states have return successors, (26), 8 states have call predecessors, (26), 4 states have call successors, (26)
[2025-05-07 17:28:38,602 INFO  L278                IsEmpty]: Start isEmpty. Operand 119 states and 140 transitions.
[2025-05-07 17:28:38,603 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2025-05-07 17:28:38,603 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,603 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 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]
[2025-05-07 17:28:38,603 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:38,603 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,604 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,604 INFO  L85        PathProgramCache]: Analyzing trace with hash -1753780872, now seen corresponding path program 1 times
[2025-05-07 17:28:38,604 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,604 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678944125]
[2025-05-07 17:28:38,604 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,631 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes.
[2025-05-07 17:28:38,650 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements.
[2025-05-07 17:28:38,650 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,650 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2025-05-07 17:28:38,799 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,799 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678944125]
[2025-05-07 17:28:38,799 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678944125] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,799 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,799 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:38,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245850539]
[2025-05-07 17:28:38,799 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,800 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:38,800 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,800 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:38,800 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:38,801 INFO  L87              Difference]: Start difference. First operand 119 states and 140 transitions. Second operand  has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 6 states have call successors, (25), 1 states have call predecessors, (25), 7 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27)
[2025-05-07 17:28:38,893 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,893 INFO  L93              Difference]: Finished difference Result 133 states and 166 transitions.
[2025-05-07 17:28:38,893 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:38,893 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 6 states have call successors, (25), 1 states have call predecessors, (25), 7 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) Word has length 104
[2025-05-07 17:28:38,894 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,895 INFO  L225             Difference]: With dead ends: 133
[2025-05-07 17:28:38,895 INFO  L226             Difference]: Without dead ends: 133
[2025-05-07 17:28:38,895 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 17:28:38,896 INFO  L437           NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:38,896 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 814 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:38,897 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2025-05-07 17:28:38,905 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 125.
[2025-05-07 17:28:38,905 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 125 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 56 states have internal predecessors, (56), 40 states have call successors, (41), 27 states have call predecessors, (41), 33 states have return successors, (53), 42 states have call predecessors, (53), 40 states have call successors, (53)
[2025-05-07 17:28:38,906 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 150 transitions.
[2025-05-07 17:28:38,907 INFO  L79                 Accepts]: Start accepts. Automaton has 125 states and 150 transitions. Word has length 104
[2025-05-07 17:28:38,907 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,907 INFO  L485      AbstractCegarLoop]: Abstraction has 125 states and 150 transitions.
[2025-05-07 17:28:38,907 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 6 states have call successors, (25), 1 states have call predecessors, (25), 7 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27)
[2025-05-07 17:28:38,907 INFO  L278                IsEmpty]: Start isEmpty. Operand 125 states and 150 transitions.
[2025-05-07 17:28:38,909 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2025-05-07 17:28:38,909 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,909 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 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]
[2025-05-07 17:28:38,909 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:28:38,909 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,909 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,910 INFO  L85        PathProgramCache]: Analyzing trace with hash 2116703526, now seen corresponding path program 1 times
[2025-05-07 17:28:38,910 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,910 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126918138]
[2025-05-07 17:28:38,910 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,910 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,951 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes.
[2025-05-07 17:28:38,971 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements.
[2025-05-07 17:28:38,972 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,972 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:39,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2025-05-07 17:28:39,122 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:39,122 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126918138]
[2025-05-07 17:28:39,122 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126918138] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:39,122 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:39,122 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:39,122 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911182576]
[2025-05-07 17:28:39,122 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:39,122 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:39,122 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:39,123 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:39,123 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:39,123 INFO  L87              Difference]: Start difference. First operand 125 states and 150 transitions. Second operand  has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 7 states have call successors, (24), 1 states have call predecessors, (24), 7 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25)
[2025-05-07 17:28:39,212 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:39,212 INFO  L93              Difference]: Finished difference Result 82 states and 103 transitions.
[2025-05-07 17:28:39,213 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:39,213 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 7 states have call successors, (24), 1 states have call predecessors, (24), 7 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 104
[2025-05-07 17:28:39,213 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:39,213 INFO  L225             Difference]: With dead ends: 82
[2025-05-07 17:28:39,214 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:39,214 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 17:28:39,214 INFO  L437           NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:39,214 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 485 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:39,215 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:39,215 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:39,215 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 17:28:39,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:39,215 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104
[2025-05-07 17:28:39,216 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:39,216 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:39,216 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 7 states have call successors, (24), 1 states have call predecessors, (24), 7 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25)
[2025-05-07 17:28:39,216 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:39,216 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:39,218 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:39,219 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:28:39,222 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:39,224 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:39,227 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:39 BoogieIcfgContainer
[2025-05-07 17:28:39,227 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:39,228 INFO  L158              Benchmark]: Toolchain (without parser) took 2742.54ms. Allocated memory is still 234.9MB. Free memory was 144.2MB in the beginning and 186.2MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:39,228 INFO  L158              Benchmark]: SmtParser took 0.18ms. Allocated memory is still 234.9MB. Free memory is still 173.6MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:39,228 INFO  L158              Benchmark]: ChcToBoogie took 42.42ms. Allocated memory is still 234.9MB. Free memory was 144.2MB in the beginning and 140.9MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:39,228 INFO  L158              Benchmark]: Boogie Preprocessor took 67.58ms. Allocated memory is still 234.9MB. Free memory was 140.8MB in the beginning and 137.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:39,229 INFO  L158              Benchmark]: RCFGBuilder took 437.35ms. Allocated memory is still 234.9MB. Free memory was 137.2MB in the beginning and 163.9MB in the end (delta: -26.7MB). Peak memory consumption was 43.7MB. Max. memory is 33.6GB.
[2025-05-07 17:28:39,229 INFO  L158              Benchmark]: TraceAbstraction took 2191.77ms. Allocated memory is still 234.9MB. Free memory was 163.4MB in the beginning and 186.2MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:39,230 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.18ms. Allocated memory is still 234.9MB. Free memory is still 173.6MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 42.42ms. Allocated memory is still 234.9MB. Free memory was 144.2MB in the beginning and 140.9MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 67.58ms. Allocated memory is still 234.9MB. Free memory was 140.8MB in the beginning and 137.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 437.35ms. Allocated memory is still 234.9MB. Free memory was 137.2MB in the beginning and 163.9MB in the end (delta: -26.7MB). Peak memory consumption was 43.7MB. Max. memory is 33.6GB.
 * TraceAbstraction took 2191.77ms. Allocated memory is still 234.9MB. Free memory was 163.4MB in the beginning and 186.2MB in the end (delta: -22.9MB). There was no memory consumed. 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 29 procedures, 121 locations, 191 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 4447 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3628 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 351 IncrementalHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 819 mSDtfsCounter, 351 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=6, InterpolantAutomatonStates: 47, 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, 21 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 757 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 61/61 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 17:28:39,242 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
