./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/external_calls/external_inc1_inc2.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:25:15,944 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:25:15,992 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0202a6b8-d4aa-4dc4-80cb-70dc0927c6d3/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:25:15,995 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:25:15,996 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:25:16,008 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:25:16,009 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:25:16,009 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:25:16,009 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:25:16,009 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:25:16,009 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:25:16,009 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:25:16,009 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:25:16,009 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:25:16,010 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:16,010 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:25:16,010 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:25:16,011 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:25:16,011 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:25:16,192 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:25:16,200 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:25:16,203 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:25:16,204 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:25:16,204 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:25:16,205 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0202a6b8-d4aa-4dc4-80cb-70dc0927c6d3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/external_calls/external_inc1_inc2.sol_0_no_adts_000.smt2
[2025-05-07 17:25:16,207 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:25:16,210 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:25:16,510 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0202a6b8-d4aa-4dc4-80cb-70dc0927c6d3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/external_calls/external_inc1_inc2.sol_0_no_adts_000.smt2
[2025-05-07 17:25:16,512 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:25:16,513 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:25:16,514 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:25:16,514 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:25:16,514 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:25:16,516 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,558 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16 Unit
[2025-05-07 17:25:16,558 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:25:16,559 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:25:16,559 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:25:16,559 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:25:16,569 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,569 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,600 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,600 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,606 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,607 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,608 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,610 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,612 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,622 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:25:16,623 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:25:16,623 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:25:16,623 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:25:16,623 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (1/1) ...
[2025-05-07 17:25:16,625 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:16,634 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:25:16,642 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 17:25:16,644 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 17:25:16,651 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:25:16,652 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:25:16,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:25:16,652 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:25:16,652 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:25:16,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:25:16,652 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_13_function_f__49_50_0 given in one single declaration
[2025-05-07 17:25:16,652 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_13_function_f__49_50_0
[2025-05-07 17:25:16,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_13_function_f__49_50_0
[2025-05-07 17:25:16,652 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_36_function_f__49_50_0 given in one single declaration
[2025-05-07 17:25:16,652 INFO  L130     BoogieDeclarations]: Found specification of procedure block_36_function_f__49_50_0
[2025-05-07 17:25:16,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_36_function_f__49_50_0
[2025-05-07 17:25:16,652 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_12_function_f__49_50_0 given in one single declaration
[2025-05-07 17:25:16,652 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_12_function_f__49_50_0
[2025-05-07 17:25:16,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_12_function_f__49_50_0
[2025-05-07 17:25:16,652 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_34_return_function_f__49_50_0 given in one single declaration
[2025-05-07 17:25:16,652 INFO  L130     BoogieDeclarations]: Found specification of procedure block_34_return_function_f__49_50_0
[2025-05-07 17:25:16,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_34_return_function_f__49_50_0
[2025-05-07 17:25:16,652 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_33_f_48_50_0 given in one single declaration
[2025-05-07 17:25:16,652 INFO  L130     BoogieDeclarations]: Found specification of procedure block_33_f_48_50_0
[2025-05-07 17:25:16,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_33_f_48_50_0
[2025-05-07 17:25:16,653 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_32_function_f__49_50_0 given in one single declaration
[2025-05-07 17:25:16,653 INFO  L130     BoogieDeclarations]: Found specification of procedure block_32_function_f__49_50_0
[2025-05-07 17:25:16,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_32_function_f__49_50_0
[2025-05-07 17:25:16,653 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_35_function_f__49_50_0 given in one single declaration
[2025-05-07 17:25:16,653 INFO  L130     BoogieDeclarations]: Found specification of procedure block_35_function_f__49_50_0
[2025-05-07 17:25:16,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_35_function_f__49_50_0
[2025-05-07 17:25:16,653 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_5_C_50_0 given in one single declaration
[2025-05-07 17:25:16,653 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_5_C_50_0
[2025-05-07 17:25:16,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_5_C_50_0
[2025-05-07 17:25:16,653 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_7_C_50_0 given in one single declaration
[2025-05-07 17:25:16,653 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_7_C_50_0
[2025-05-07 17:25:16,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_7_C_50_0
[2025-05-07 17:25:16,653 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_40_C_50_0 given in one single declaration
[2025-05-07 17:25:16,653 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_40_C_50_0
[2025-05-07 17:25:16,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_40_C_50_0
[2025-05-07 17:25:16,653 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_37_C_50_0 given in one single declaration
[2025-05-07 17:25:16,653 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_37_C_50_0
[2025-05-07 17:25:16,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_37_C_50_0
[2025-05-07 17:25:16,653 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_39_C_50_0 given in one single declaration
[2025-05-07 17:25:16,654 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_39_C_50_0
[2025-05-07 17:25:16,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_39_C_50_0
[2025-05-07 17:25:16,654 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_38_C_50_0 given in one single declaration
[2025-05-07 17:25:16,654 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_38_C_50_0
[2025-05-07 17:25:16,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_38_C_50_0
[2025-05-07 17:25:16,654 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_11_function_inc1__35_50_0 given in one single declaration
[2025-05-07 17:25:16,654 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_11_function_inc1__35_50_0
[2025-05-07 17:25:16,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_11_function_inc1__35_50_0
[2025-05-07 17:25:16,654 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_31_function_inc1__35_50_0 given in one single declaration
[2025-05-07 17:25:16,654 INFO  L130     BoogieDeclarations]: Found specification of procedure block_31_function_inc1__35_50_0
[2025-05-07 17:25:16,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_31_function_inc1__35_50_0
[2025-05-07 17:25:16,654 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_10_function_inc1__35_50_0 given in one single declaration
[2025-05-07 17:25:16,654 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_10_function_inc1__35_50_0
[2025-05-07 17:25:16,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_10_function_inc1__35_50_0
[2025-05-07 17:25:16,654 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_27_return_function_inc1__35_50_0 given in one single declaration
[2025-05-07 17:25:16,654 INFO  L130     BoogieDeclarations]: Found specification of procedure block_27_return_function_inc1__35_50_0
[2025-05-07 17:25:16,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_27_return_function_inc1__35_50_0
[2025-05-07 17:25:16,654 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_30_inc1_34_50_0 given in one single declaration
[2025-05-07 17:25:16,654 INFO  L130     BoogieDeclarations]: Found specification of procedure block_30_inc1_34_50_0
[2025-05-07 17:25:16,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_30_inc1_34_50_0
[2025-05-07 17:25:16,654 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_28_if_header_inc1_33_50_0 given in one single declaration
[2025-05-07 17:25:16,654 INFO  L130     BoogieDeclarations]: Found specification of procedure block_28_if_header_inc1_33_50_0
[2025-05-07 17:25:16,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_28_if_header_inc1_33_50_0
[2025-05-07 17:25:16,655 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_26_inc1_34_50_0 given in one single declaration
[2025-05-07 17:25:16,655 INFO  L130     BoogieDeclarations]: Found specification of procedure block_26_inc1_34_50_0
[2025-05-07 17:25:16,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_26_inc1_34_50_0
[2025-05-07 17:25:16,655 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_25_function_inc1__35_50_0 given in one single declaration
[2025-05-07 17:25:16,655 INFO  L130     BoogieDeclarations]: Found specification of procedure block_25_function_inc1__35_50_0
[2025-05-07 17:25:16,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_25_function_inc1__35_50_0
[2025-05-07 17:25:16,655 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_29_if_true_inc1_32_50_0 given in one single declaration
[2025-05-07 17:25:16,655 INFO  L130     BoogieDeclarations]: Found specification of procedure block_29_if_true_inc1_32_50_0
[2025-05-07 17:25:16,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_29_if_true_inc1_32_50_0
[2025-05-07 17:25:16,655 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_inc2__23_50_0 given in one single declaration
[2025-05-07 17:25:16,655 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_inc2__23_50_0
[2025-05-07 17:25:16,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_inc2__23_50_0
[2025-05-07 17:25:16,655 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_8_function_inc2__23_50_0 given in one single declaration
[2025-05-07 17:25:16,655 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_8_function_inc2__23_50_0
[2025-05-07 17:25:16,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_8_function_inc2__23_50_0
[2025-05-07 17:25:16,655 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_return_function_inc2__23_50_0 given in one single declaration
[2025-05-07 17:25:16,655 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_return_function_inc2__23_50_0
[2025-05-07 17:25:16,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_return_function_inc2__23_50_0
[2025-05-07 17:25:16,655 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_inc2_22_50_0 given in one single declaration
[2025-05-07 17:25:16,655 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_inc2_22_50_0
[2025-05-07 17:25:16,655 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_inc2_22_50_0
[2025-05-07 17:25:16,656 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_if_header_inc2_21_50_0 given in one single declaration
[2025-05-07 17:25:16,656 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_if_header_inc2_21_50_0
[2025-05-07 17:25:16,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_if_header_inc2_21_50_0
[2025-05-07 17:25:16,656 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_inc2_22_50_0 given in one single declaration
[2025-05-07 17:25:16,656 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_inc2_22_50_0
[2025-05-07 17:25:16,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_inc2_22_50_0
[2025-05-07 17:25:16,656 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_inc2__23_50_0 given in one single declaration
[2025-05-07 17:25:16,656 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_inc2__23_50_0
[2025-05-07 17:25:16,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_inc2__23_50_0
[2025-05-07 17:25:16,656 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_if_true_inc2_20_50_0 given in one single declaration
[2025-05-07 17:25:16,656 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_if_true_inc2_20_50_0
[2025-05-07 17:25:16,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_if_true_inc2_20_50_0
[2025-05-07 17:25:16,656 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_function_inc2__23_50_0 given in one single declaration
[2025-05-07 17:25:16,656 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_function_inc2__23_50_0
[2025-05-07 17:25:16,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_function_inc2__23_50_0
[2025-05-07 17:25:16,656 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:25:16,656 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:25:16,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:25:16,845 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:25:16,848 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:25:17,087 INFO  L?                        ?]: Removed 259 outVars from TransFormulas that were not future-live.
[2025-05-07 17:25:17,087 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:25:17,095 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:25:17,096 INFO  L312             CfgBuilder]: Removed 17 assume(true) statements.
[2025-05-07 17:25:17,096 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:17 BoogieIcfgContainer
[2025-05-07 17:25:17,096 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:25:17,097 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:25:17,097 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:25:17,100 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:25:17,100 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:16" (1/3) ...
[2025-05-07 17:25:17,101 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f3b23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:25:17, skipping insertion in model container
[2025-05-07 17:25:17,101 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:16" (2/3) ...
[2025-05-07 17:25:17,101 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f3b23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:25:17, skipping insertion in model container
[2025-05-07 17:25:17,101 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:17" (3/3) ...
[2025-05-07 17:25:17,102 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:25:17,112 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:25:17,114 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 34 procedures, 128 locations, 185 edges, 34 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:25:17,145 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:25:17,154 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;@1969fd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:25:17,154 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:25:17,157 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 128 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 59 states have internal predecessors, (59), 41 states have call successors, (42), 33 states have call predecessors, (42), 33 states have return successors, (42), 35 states have call predecessors, (42), 41 states have call successors, (42)
[2025-05-07 17:25:17,164 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:25:17,164 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:17,165 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:17,165 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:17,168 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:17,169 INFO  L85        PathProgramCache]: Analyzing trace with hash -410245448, now seen corresponding path program 1 times
[2025-05-07 17:25:17,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:17,174 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270929747]
[2025-05-07 17:25:17,175 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:17,175 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:17,225 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:25:17,272 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:25:17,272 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:17,272 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:17,354 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 17:25:17,354 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:17,354 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270929747]
[2025-05-07 17:25:17,355 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270929747] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:17,355 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:17,357 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:25:17,358 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910862111]
[2025-05-07 17:25:17,358 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:17,361 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:25:17,361 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:17,391 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:25:17,392 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:25:17,393 INFO  L87              Difference]: Start difference. First operand  has 128 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 59 states have internal predecessors, (59), 41 states have call successors, (42), 33 states have call predecessors, (42), 33 states have return successors, (42), 35 states have call predecessors, (42), 41 states have call successors, (42) Second operand  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:25:17,421 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:17,422 INFO  L93              Difference]: Finished difference Result 123 states and 136 transitions.
[2025-05-07 17:25:17,423 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:25:17,424 INFO  L79                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 51
[2025-05-07 17:25:17,424 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:17,432 INFO  L225             Difference]: With dead ends: 123
[2025-05-07 17:25:17,432 INFO  L226             Difference]: Without dead ends: 122
[2025-05-07 17:25:17,437 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:25:17,441 INFO  L437           NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:17,442 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:17,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2025-05-07 17:25:17,473 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122.
[2025-05-07 17:25:17,474 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 122 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 55 states have internal predecessors, (55), 40 states have call successors, (40), 32 states have call predecessors, (40), 32 states have return successors, (40), 34 states have call predecessors, (40), 40 states have call successors, (40)
[2025-05-07 17:25:17,477 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 135 transitions.
[2025-05-07 17:25:17,478 INFO  L79                 Accepts]: Start accepts. Automaton has 122 states and 135 transitions. Word has length 51
[2025-05-07 17:25:17,479 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:17,479 INFO  L485      AbstractCegarLoop]: Abstraction has 122 states and 135 transitions.
[2025-05-07 17:25:17,479 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:25:17,479 INFO  L278                IsEmpty]: Start isEmpty. Operand 122 states and 135 transitions.
[2025-05-07 17:25:17,480 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:25:17,481 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:17,481 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:17,481 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:25:17,481 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:17,482 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:17,482 INFO  L85        PathProgramCache]: Analyzing trace with hash 2000170530, now seen corresponding path program 1 times
[2025-05-07 17:25:17,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:17,482 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549229877]
[2025-05-07 17:25:17,482 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:17,482 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:17,509 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:25:17,517 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:25:17,517 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:17,517 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:17,629 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 17:25:17,629 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:17,629 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549229877]
[2025-05-07 17:25:17,629 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549229877] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:17,629 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:17,629 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:25:17,629 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727130059]
[2025-05-07 17:25:17,629 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:17,630 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:25:17,630 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:17,631 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:25:17,631 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:25:17,631 INFO  L87              Difference]: Start difference. First operand 122 states and 135 transitions. Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:25:17,647 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:17,647 INFO  L93              Difference]: Finished difference Result 126 states and 141 transitions.
[2025-05-07 17:25:17,647 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:25:17,648 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:25:17,648 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:17,649 INFO  L225             Difference]: With dead ends: 126
[2025-05-07 17:25:17,649 INFO  L226             Difference]: Without dead ends: 122
[2025-05-07 17:25:17,649 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 17:25:17,649 INFO  L437           NwaCegarLoop]: 135 mSDtfsCounter, 1 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 398 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 17:25:17,650 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 398 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:17,650 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2025-05-07 17:25:17,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120.
[2025-05-07 17:25:17,656 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 54 states have internal predecessors, (54), 38 states have call successors, (38), 32 states have call predecessors, (38), 32 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38)
[2025-05-07 17:25:17,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 130 transitions.
[2025-05-07 17:25:17,657 INFO  L79                 Accepts]: Start accepts. Automaton has 120 states and 130 transitions. Word has length 51
[2025-05-07 17:25:17,657 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:17,658 INFO  L485      AbstractCegarLoop]: Abstraction has 120 states and 130 transitions.
[2025-05-07 17:25:17,658 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:25:17,658 INFO  L278                IsEmpty]: Start isEmpty. Operand 120 states and 130 transitions.
[2025-05-07 17:25:17,659 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:25:17,659 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:17,659 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:17,659 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:25:17,659 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:17,659 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:17,659 INFO  L85        PathProgramCache]: Analyzing trace with hash 494816798, now seen corresponding path program 1 times
[2025-05-07 17:25:17,659 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:17,659 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943244392]
[2025-05-07 17:25:17,660 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:17,660 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:17,679 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:25:17,699 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:25:17,699 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:17,699 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:17,825 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 17:25:17,826 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:17,826 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943244392]
[2025-05-07 17:25:17,826 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943244392] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:17,826 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:17,826 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:25:17,826 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253004117]
[2025-05-07 17:25:17,826 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:17,826 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:25:17,826 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:17,826 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:25:17,827 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:25:17,827 INFO  L87              Difference]: Start difference. First operand 120 states and 130 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:25:17,894 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:17,895 INFO  L93              Difference]: Finished difference Result 114 states and 124 transitions.
[2025-05-07 17:25:17,895 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:25:17,895 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:25:17,895 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:17,895 INFO  L225             Difference]: With dead ends: 114
[2025-05-07 17:25:17,895 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:25:17,896 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:25:17,896 INFO  L437           NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:17,896 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 822 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:17,897 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:25:17,897 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:25:17,897 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 17:25:17,897 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:25:17,897 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:25:17,897 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:17,897 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:25:17,897 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:25:17,897 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:25:17,897 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:25:17,899 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:25:17,899 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:25:17,902 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:25:17,903 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:25:17,906 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:25:17 BoogieIcfgContainer
[2025-05-07 17:25:17,906 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:25:17,906 INFO  L158              Benchmark]: Toolchain (without parser) took 1392.88ms. Allocated memory is still 234.9MB. Free memory was 142.7MB in the beginning and 106.1MB in the end (delta: 36.6MB). Peak memory consumption was 61.5MB. Max. memory is 33.6GB.
[2025-05-07 17:25:17,906 INFO  L158              Benchmark]: SmtParser took 0.33ms. Allocated memory is still 234.9MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:17,906 INFO  L158              Benchmark]: ChcToBoogie took 44.29ms. Allocated memory is still 234.9MB. Free memory was 142.6MB in the beginning and 139.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:17,907 INFO  L158              Benchmark]: Boogie Preprocessor took 63.66ms. Allocated memory is still 234.9MB. Free memory was 139.1MB in the beginning and 135.5MB in the end (delta: 3.6MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:25:17,907 INFO  L158              Benchmark]: RCFGBuilder took 473.33ms. Allocated memory is still 234.9MB. Free memory was 135.4MB in the beginning and 164.3MB in the end (delta: -28.9MB). Peak memory consumption was 25.0MB. Max. memory is 33.6GB.
[2025-05-07 17:25:17,907 INFO  L158              Benchmark]: TraceAbstraction took 808.26ms. Allocated memory is still 234.9MB. Free memory was 163.9MB in the beginning and 106.1MB in the end (delta: 57.8MB). Peak memory consumption was 70.1MB. Max. memory is 33.6GB.
[2025-05-07 17:25:17,908 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.33ms. Allocated memory is still 234.9MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 44.29ms. Allocated memory is still 234.9MB. Free memory was 142.6MB in the beginning and 139.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 63.66ms. Allocated memory is still 234.9MB. Free memory was 139.1MB in the beginning and 135.5MB in the end (delta: 3.6MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * RCFGBuilder took 473.33ms. Allocated memory is still 234.9MB. Free memory was 135.4MB in the beginning and 164.3MB in the end (delta: -28.9MB). Peak memory consumption was 25.0MB. Max. memory is 33.6GB.
 * TraceAbstraction took 808.26ms. Allocated memory is still 234.9MB. Free memory was 163.9MB in the beginning and 106.1MB in the end (delta: 57.8MB). Peak memory consumption was 70.1MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 34 procedures, 128 locations, 185 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 1356 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 965 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 391 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:25:17,919 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
