./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/typecast/number_literal.sol_5_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:29:00,475 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:29:00,512 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbeba6-d005-462f-ae88-50f2788153b1/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:29:00,515 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:29:00,516 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:29:00,528 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:29:00,529 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:29:00,529 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:29:00,529 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:29:00,529 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:29:00,529 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:29:00,529 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:29:00,529 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:29:00,529 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:29:00,530 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:29:00,530 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:29:00,530 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:29:00,531 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:29:00,531 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:29:00,708 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:29:00,716 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:29:00,718 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:29:00,719 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:29:00,719 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:29:00,720 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbeba6-d005-462f-ae88-50f2788153b1/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/typecast/number_literal.sol_5_no_adts_000.smt2
[2025-05-07 17:29:00,721 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:29:00,723 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:29:01,046 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5bbeba6-d005-462f-ae88-50f2788153b1/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/typecast/number_literal.sol_5_no_adts_000.smt2
[2025-05-07 17:29:01,048 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:29:01,049 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:29:01,050 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:29:01,050 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:29:01,050 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:29:01,052 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,105 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01 Unit
[2025-05-07 17:29:01,105 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:29:01,106 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:29:01,106 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:29:01,106 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:29:01,117 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,117 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,150 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,150 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,160 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,161 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,164 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,168 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,170 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,191 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:29:01,191 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:29:01,192 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:29:01,192 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:29:01,192 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (1/1) ...
[2025-05-07 17:29:01,194 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:29:01,204 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:29:01,213 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:29:01,215 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:29:01,222 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:29:01,222 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:29:01,222 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:29:01,223 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_17_0 given in one single declaration
[2025-05-07 17:29:01,223 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_17_0
[2025-05-07 17:29:01,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_17_0
[2025-05-07 17:29:01,223 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_6_function_g__89_143_0 given in one single declaration
[2025-05-07 17:29:01,223 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_6_function_g__89_143_0
[2025-05-07 17:29:01,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_6_function_g__89_143_0
[2025-05-07 17:29:01,223 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_function_g__89_143_0 given in one single declaration
[2025-05-07 17:29:01,223 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_function_g__89_143_0
[2025-05-07 17:29:01,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_function_g__89_143_0
[2025-05-07 17:29:01,223 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__89_143_0 given in one single declaration
[2025-05-07 17:29:01,223 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__89_143_0
[2025-05-07 17:29:01,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__89_143_0
[2025-05-07 17:29:01,223 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_return_function_g__89_143_0 given in one single declaration
[2025-05-07 17:29:01,223 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_return_function_g__89_143_0
[2025-05-07 17:29:01,223 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_return_function_g__89_143_0
[2025-05-07 17:29:01,223 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_g_88_143_0 given in one single declaration
[2025-05-07 17:29:01,224 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_g_88_143_0
[2025-05-07 17:29:01,224 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_g_88_143_0
[2025-05-07 17:29:01,224 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__89_143_0 given in one single declaration
[2025-05-07 17:29:01,224 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__89_143_0
[2025-05-07 17:29:01,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__89_143_0
[2025-05-07 17:29:01,235 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_function_g__89_143_0 given in one single declaration
[2025-05-07 17:29:01,235 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_function_g__89_143_0
[2025-05-07 17:29:01,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_function_g__89_143_0
[2025-05-07 17:29:01,235 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_function_g__89_143_0 given in one single declaration
[2025-05-07 17:29:01,235 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_function_g__89_143_0
[2025-05-07 17:29:01,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_function_g__89_143_0
[2025-05-07 17:29:01,235 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_g__89_143_0 given in one single declaration
[2025-05-07 17:29:01,235 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_g__89_143_0
[2025-05-07 17:29:01,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_g__89_143_0
[2025-05-07 17:29:01,235 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_143_0 given in one single declaration
[2025-05-07 17:29:01,236 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_143_0
[2025-05-07 17:29:01,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_143_0
[2025-05-07 17:29:01,236 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__36_143_0 given in one single declaration
[2025-05-07 17:29:01,236 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__36_143_0 given in one single declaration
[2025-05-07 17:29:01,236 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_f__36_143_0 given in one single declaration
[2025-05-07 17:29:01,236 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_f_35_143_0 given in one single declaration
[2025-05-07 17:29:01,236 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_f_35_143_0
[2025-05-07 17:29:01,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_f_35_143_0
[2025-05-07 17:29:01,236 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__36_143_0 given in one single declaration
[2025-05-07 17:29:01,236 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_return_function_f__36_143_0 given in one single declaration
[2025-05-07 17:29:01,236 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_return_function_f__36_143_0
[2025-05-07 17:29:01,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_return_function_f__36_143_0
[2025-05-07 17:29:01,237 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__36_143_0 given in one single declaration
[2025-05-07 17:29:01,237 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__36_143_0
[2025-05-07 17:29:01,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__36_143_0
[2025-05-07 17:29:01,237 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__36_143_0 given in one single declaration
[2025-05-07 17:29:01,237 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__36_143_0
[2025-05-07 17:29:01,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__36_143_0
[2025-05-07 17:29:01,237 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__36_143_0 given in one single declaration
[2025-05-07 17:29:01,237 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__36_143_0
[2025-05-07 17:29:01,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__36_143_0
[2025-05-07 17:29:01,237 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_143_0 given in one single declaration
[2025-05-07 17:29:01,237 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_143_0
[2025-05-07 17:29:01,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_143_0
[2025-05-07 17:29:01,237 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_33_C_143_0 given in one single declaration
[2025-05-07 17:29:01,237 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_33_C_143_0
[2025-05-07 17:29:01,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_33_C_143_0
[2025-05-07 17:29:01,237 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_30_C_143_0 given in one single declaration
[2025-05-07 17:29:01,238 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_30_C_143_0
[2025-05-07 17:29:01,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_30_C_143_0
[2025-05-07 17:29:01,238 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_32_C_143_0 given in one single declaration
[2025-05-07 17:29:01,238 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_32_C_143_0
[2025-05-07 17:29:01,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_32_C_143_0
[2025-05-07 17:29:01,238 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_31_C_143_0 given in one single declaration
[2025-05-07 17:29:01,238 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_31_C_143_0
[2025-05-07 17:29:01,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_31_C_143_0
[2025-05-07 17:29:01,238 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_8_function_h__142_143_0 given in one single declaration
[2025-05-07 17:29:01,238 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_8_function_h__142_143_0
[2025-05-07 17:29:01,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_8_function_h__142_143_0
[2025-05-07 17:29:01,238 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_7_function_h__142_143_0 given in one single declaration
[2025-05-07 17:29:01,238 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_7_function_h__142_143_0
[2025-05-07 17:29:01,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_7_function_h__142_143_0
[2025-05-07 17:29:01,238 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_26_function_h__142_143_0 given in one single declaration
[2025-05-07 17:29:01,238 INFO  L130     BoogieDeclarations]: Found specification of procedure block_26_function_h__142_143_0
[2025-05-07 17:29:01,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_26_function_h__142_143_0
[2025-05-07 17:29:01,238 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_h_141_143_0 given in one single declaration
[2025-05-07 17:29:01,239 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_h_141_143_0
[2025-05-07 17:29:01,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_h_141_143_0
[2025-05-07 17:29:01,239 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_h__142_143_0 given in one single declaration
[2025-05-07 17:29:01,239 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_28_function_h__142_143_0 given in one single declaration
[2025-05-07 17:29:01,239 INFO  L130     BoogieDeclarations]: Found specification of procedure block_28_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_28_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_25_return_function_h__142_143_0 given in one single declaration
[2025-05-07 17:29:01,239 INFO  L130     BoogieDeclarations]: Found specification of procedure block_25_return_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_25_return_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_27_function_h__142_143_0 given in one single declaration
[2025-05-07 17:29:01,239 INFO  L130     BoogieDeclarations]: Found specification of procedure block_27_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_27_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_29_function_h__142_143_0 given in one single declaration
[2025-05-07 17:29:01,239 INFO  L130     BoogieDeclarations]: Found specification of procedure block_29_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_29_function_h__142_143_0
[2025-05-07 17:29:01,239 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:29:01,239 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:29:01,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:29:01,434 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:29:01,436 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:29:01,719 INFO  L?                        ?]: Removed 317 outVars from TransFormulas that were not future-live.
[2025-05-07 17:29:01,719 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:29:01,729 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:29:01,729 INFO  L312             CfgBuilder]: Removed 21 assume(true) statements.
[2025-05-07 17:29:01,729 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:29:01 BoogieIcfgContainer
[2025-05-07 17:29:01,729 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:29:01,731 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:29:01,731 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:29:01,733 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:29:01,733 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:29:01" (1/3) ...
[2025-05-07 17:29:01,734 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c74c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:29:01, skipping insertion in model container
[2025-05-07 17:29:01,734 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:01" (2/3) ...
[2025-05-07 17:29:01,734 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c74c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:29:01, skipping insertion in model container
[2025-05-07 17:29:01,734 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:29:01" (3/3) ...
[2025-05-07 17:29:01,735 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:29:01,746 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:29:01,747 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 36 procedures, 138 locations, 215 edges, 36 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:29:01,778 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:29:01,787 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;@36763087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:29:01,787 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:29:01,790 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 138 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 65 states have internal predecessors, (65), 41 states have call successors, (50), 35 states have call predecessors, (50), 35 states have return successors, (50), 37 states have call predecessors, (50), 41 states have call successors, (50)
[2025-05-07 17:29:01,797 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:29:01,797 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:01,798 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:01,798 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:01,801 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:01,802 INFO  L85        PathProgramCache]: Analyzing trace with hash 340537164, now seen corresponding path program 1 times
[2025-05-07 17:29:01,807 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:01,807 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264797468]
[2025-05-07 17:29:01,807 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:01,808 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:01,846 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:29:01,898 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:29:01,898 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:01,898 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:01,969 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:01,969 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:01,969 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264797468]
[2025-05-07 17:29:01,970 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264797468] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:01,970 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:01,972 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:29:01,973 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634495478]
[2025-05-07 17:29:01,973 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:01,976 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:29:01,976 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:01,993 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:29:01,993 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:29:01,995 INFO  L87              Difference]: Start difference. First operand  has 138 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 65 states have internal predecessors, (65), 41 states have call successors, (50), 35 states have call predecessors, (50), 35 states have return successors, (50), 37 states have call predecessors, (50), 41 states have call successors, (50) Second operand  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:29:02,029 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:02,029 INFO  L93              Difference]: Finished difference Result 109 states and 118 transitions.
[2025-05-07 17:29:02,030 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:29:02,031 INFO  L79                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 51
[2025-05-07 17:29:02,031 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:02,041 INFO  L225             Difference]: With dead ends: 109
[2025-05-07 17:29:02,041 INFO  L226             Difference]: Without dead ends: 100
[2025-05-07 17:29:02,043 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:29:02,045 INFO  L437           NwaCegarLoop]: 118 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, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:02,046 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:02,058 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2025-05-07 17:29:02,080 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2025-05-07 17:29:02,082 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 45 states have internal predecessors, (45), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 28 states have call predecessors, (32), 32 states have call successors, (32)
[2025-05-07 17:29:02,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions.
[2025-05-07 17:29:02,086 INFO  L79                 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 51
[2025-05-07 17:29:02,087 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:02,087 INFO  L485      AbstractCegarLoop]: Abstraction has 100 states and 109 transitions.
[2025-05-07 17:29:02,087 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:29:02,087 INFO  L278                IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions.
[2025-05-07 17:29:02,089 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:29:02,089 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:02,089 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:02,090 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:29:02,090 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:02,091 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:02,091 INFO  L85        PathProgramCache]: Analyzing trace with hash -708560418, now seen corresponding path program 1 times
[2025-05-07 17:29:02,091 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:02,091 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036332521]
[2025-05-07 17:29:02,091 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:02,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:02,117 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:29:02,127 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:29:02,127 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:02,127 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:02,245 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:02,245 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:02,245 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036332521]
[2025-05-07 17:29:02,245 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036332521] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:02,245 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:02,245 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:29:02,245 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94397309]
[2025-05-07 17:29:02,245 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:02,246 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:29:02,246 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:02,247 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:29:02,247 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:29:02,247 INFO  L87              Difference]: Start difference. First operand 100 states and 109 transitions. Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:29:02,263 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:02,263 INFO  L93              Difference]: Finished difference Result 104 states and 115 transitions.
[2025-05-07 17:29:02,264 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:29:02,264 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:29:02,264 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:02,265 INFO  L225             Difference]: With dead ends: 104
[2025-05-07 17:29:02,265 INFO  L226             Difference]: Without dead ends: 100
[2025-05-07 17:29:02,265 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:29:02,266 INFO  L437           NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:02,266 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 322 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:02,267 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2025-05-07 17:29:02,273 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98.
[2025-05-07 17:29:02,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 98 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 44 states have internal predecessors, (44), 30 states have call successors, (30), 26 states have call predecessors, (30), 26 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30)
[2025-05-07 17:29:02,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 104 transitions.
[2025-05-07 17:29:02,274 INFO  L79                 Accepts]: Start accepts. Automaton has 98 states and 104 transitions. Word has length 51
[2025-05-07 17:29:02,274 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:02,274 INFO  L485      AbstractCegarLoop]: Abstraction has 98 states and 104 transitions.
[2025-05-07 17:29:02,274 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:29:02,275 INFO  L278                IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions.
[2025-05-07 17:29:02,276 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:29:02,276 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:02,276 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:02,276 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:29:02,276 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:02,276 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:02,276 INFO  L85        PathProgramCache]: Analyzing trace with hash 2081053146, now seen corresponding path program 1 times
[2025-05-07 17:29:02,276 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:02,277 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184628704]
[2025-05-07 17:29:02,277 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:02,277 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:02,296 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:29:02,316 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:29:02,316 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:02,316 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:02,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:02,466 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:02,467 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184628704]
[2025-05-07 17:29:02,467 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184628704] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:02,467 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:02,467 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:29:02,467 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458831479]
[2025-05-07 17:29:02,467 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:02,467 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:29:02,467 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:02,468 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:29:02,468 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:29:02,468 INFO  L87              Difference]: Start difference. First operand 98 states and 104 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:29:02,536 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:02,536 INFO  L93              Difference]: Finished difference Result 92 states and 98 transitions.
[2025-05-07 17:29:02,536 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:29:02,537 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:29:02,537 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:02,537 INFO  L225             Difference]: With dead ends: 92
[2025-05-07 17:29:02,537 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:29:02,538 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 17:29:02,538 INFO  L437           NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 640 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 17:29:02,538 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 640 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:02,539 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:29:02,539 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:29:02,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:29:02,539 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:29:02,539 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:29:02,539 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:02,539 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:29:02,539 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:29:02,539 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:29:02,539 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:29:02,541 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:29:02,541 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:29:02,543 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:29:02,545 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:29:02,547 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:29:02 BoogieIcfgContainer
[2025-05-07 17:29:02,548 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:29:02,548 INFO  L158              Benchmark]: Toolchain (without parser) took 1498.81ms. Allocated memory is still 234.9MB. Free memory was 133.5MB in the beginning and 101.0MB in the end (delta: 32.5MB). Peak memory consumption was 48.1MB. Max. memory is 33.6GB.
[2025-05-07 17:29:02,548 INFO  L158              Benchmark]: SmtParser took 0.19ms. 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 17:29:02,548 INFO  L158              Benchmark]: ChcToBoogie took 55.34ms. Allocated memory is still 234.9MB. Free memory was 133.4MB in the beginning and 128.4MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:02,548 INFO  L158              Benchmark]: Boogie Preprocessor took 84.98ms. Allocated memory is still 234.9MB. Free memory was 128.4MB in the beginning and 124.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:02,549 INFO  L158              Benchmark]: RCFGBuilder took 537.84ms. Allocated memory is still 234.9MB. Free memory was 124.2MB in the beginning and 138.4MB in the end (delta: -14.2MB). Peak memory consumption was 26.3MB. Max. memory is 33.6GB.
[2025-05-07 17:29:02,549 INFO  L158              Benchmark]: TraceAbstraction took 817.04ms. Allocated memory is still 234.9MB. Free memory was 138.0MB in the beginning and 101.0MB in the end (delta: 37.0MB). Peak memory consumption was 38.6MB. Max. memory is 33.6GB.
[2025-05-07 17:29:02,550 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 173.6MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 55.34ms. Allocated memory is still 234.9MB. Free memory was 133.4MB in the beginning and 128.4MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 84.98ms. Allocated memory is still 234.9MB. Free memory was 128.4MB in the beginning and 124.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 537.84ms. Allocated memory is still 234.9MB. Free memory was 124.2MB in the beginning and 138.4MB in the end (delta: -14.2MB). Peak memory consumption was 26.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 817.04ms. Allocated memory is still 234.9MB. Free memory was 138.0MB in the beginning and 101.0MB in the end (delta: 37.0MB). Peak memory consumption was 38.6MB. 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 36 procedures, 138 locations, 215 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, 1080 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 758 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 322 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=138occurred 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 17:29:02,561 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
