./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_7_no_adts_000.smt2 .


--------------------------------------------------------------------------------


This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:23:44,599 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:23:44,637 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc71719-8e6e-40ad-b049-b47d2a58c860/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:23:44,640 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:23:44,640 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:23:44,653 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:23:44,654 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:23:44,654 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:23:44,654 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:23:44,654 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:23:44,655 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:23:44,655 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:23:44,655 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:23:44,655 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:23:44,655 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:23:44,655 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:23:44,655 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:23:44,655 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:23:44,655 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:23:44,656 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:23:44,656 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:23:44,656 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:23:44,656 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:23:44,656 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:23:44,656 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:23:44,656 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:23:44,657 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:23:44,845 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:23:44,852 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:23:44,855 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:23:44,856 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:23:44,856 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:23:44,857 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc71719-8e6e-40ad-b049-b47d2a58c860/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_7_no_adts_000.smt2
[2025-05-07 17:23:44,858 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:23:44,860 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:23:45,135 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc71719-8e6e-40ad-b049-b47d2a58c860/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_7_no_adts_000.smt2
[2025-05-07 17:23:45,137 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:23:45,138 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:23:45,139 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:23:45,139 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:23:45,139 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:23:45,141 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,174 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45 Unit
[2025-05-07 17:23:45,174 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:23:45,175 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:23:45,175 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:23:45,175 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:23:45,186 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,186 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,212 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,212 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,218 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,219 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,221 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,224 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,225 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,238 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:23:45,239 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:23:45,239 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:23:45,239 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:23:45,240 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,242 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:23:45,252 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:23:45,261 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 17:23:45,264 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 17:23:45,274 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:23:45,274 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:23:45,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:23:45,275 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_12_0 given in one single declaration
[2025-05-07 17:23:45,275 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_12_0
[2025-05-07 17:23:45,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_12_0
[2025-05-07 17:23:45,275 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_17_C_93_0 given in one single declaration
[2025-05-07 17:23:45,275 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_17_C_93_0
[2025-05-07 17:23:45,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_17_C_93_0
[2025-05-07 17:23:45,275 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_19_C_93_0 given in one single declaration
[2025-05-07 17:23:45,275 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_19_C_93_0
[2025-05-07 17:23:45,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_19_C_93_0
[2025-05-07 17:23:45,275 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_113_A1_43_0 given in one single declaration
[2025-05-07 17:23:45,275 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_113_A1_43_0
[2025-05-07 17:23:45,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_113_A1_43_0
[2025-05-07 17:23:45,275 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_115_A1_43_0 given in one single declaration
[2025-05-07 17:23:45,276 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_115_A1_43_0
[2025-05-07 17:23:45,276 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_115_A1_43_0
[2025-05-07 17:23:45,276 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_114_A1_43_0 given in one single declaration
[2025-05-07 17:23:45,276 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_114_A1_43_0
[2025-05-07 17:23:45,276 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_114_A1_43_0
[2025-05-07 17:23:45,276 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_110_C_93_0 given in one single declaration
[2025-05-07 17:23:45,276 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_110_C_93_0
[2025-05-07 17:23:45,276 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_110_C_93_0
[2025-05-07 17:23:45,276 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_112_C_93_0 given in one single declaration
[2025-05-07 17:23:45,276 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_112_C_93_0
[2025-05-07 17:23:45,276 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_112_C_93_0
[2025-05-07 17:23:45,276 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_111_C_93_0 given in one single declaration
[2025-05-07 17:23:45,276 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_111_C_93_0
[2025-05-07 17:23:45,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_111_C_93_0
[2025-05-07 17:23:45,277 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_116_B_56_0 given in one single declaration
[2025-05-07 17:23:45,277 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_116_B_56_0
[2025-05-07 17:23:45,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_116_B_56_0
[2025-05-07 17:23:45,277 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_118_B_56_0 given in one single declaration
[2025-05-07 17:23:45,277 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_118_B_56_0
[2025-05-07 17:23:45,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_118_B_56_0
[2025-05-07 17:23:45,277 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_117_B_56_0 given in one single declaration
[2025-05-07 17:23:45,277 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_117_B_56_0
[2025-05-07 17:23:45,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_117_B_56_0
[2025-05-07 17:23:45,277 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_119_A_30_0 given in one single declaration
[2025-05-07 17:23:45,277 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_119_A_30_0
[2025-05-07 17:23:45,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_119_A_30_0
[2025-05-07 17:23:45,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_121_A_30_0 given in one single declaration
[2025-05-07 17:23:45,278 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_121_A_30_0
[2025-05-07 17:23:45,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_121_A_30_0
[2025-05-07 17:23:45,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_120_A_30_0 given in one single declaration
[2025-05-07 17:23:45,278 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_120_A_30_0
[2025-05-07 17:23:45,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_120_A_30_0
[2025-05-07 17:23:45,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_122_C_93_0 given in one single declaration
[2025-05-07 17:23:45,278 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_122_C_93_0
[2025-05-07 17:23:45,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_122_C_93_0
[2025-05-07 17:23:45,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_25_function_g__71_93_0 given in one single declaration
[2025-05-07 17:23:45,278 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_25_function_g__71_93_0
[2025-05-07 17:23:45,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_25_function_g__71_93_0
[2025-05-07 17:23:45,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_24_function_g__71_93_0 given in one single declaration
[2025-05-07 17:23:45,278 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_24_function_g__71_93_0
[2025-05-07 17:23:45,279 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_24_function_g__71_93_0
[2025-05-07 17:23:45,279 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_100_return_function_g__71_93_0 given in one single declaration
[2025-05-07 17:23:45,279 INFO  L130     BoogieDeclarations]: Found specification of procedure block_100_return_function_g__71_93_0
[2025-05-07 17:23:45,279 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_100_return_function_g__71_93_0
[2025-05-07 17:23:45,279 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_99_g_70_93_0 given in one single declaration
[2025-05-07 17:23:45,279 INFO  L130     BoogieDeclarations]: Found specification of procedure block_99_g_70_93_0
[2025-05-07 17:23:45,279 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_99_g_70_93_0
[2025-05-07 17:23:45,279 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_98_function_g__71_93_0 given in one single declaration
[2025-05-07 17:23:45,279 INFO  L130     BoogieDeclarations]: Found specification of procedure block_98_function_g__71_93_0
[2025-05-07 17:23:45,279 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_98_function_g__71_93_0
[2025-05-07 17:23:45,279 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_101_function_f__83_93_0 given in one single declaration
[2025-05-07 17:23:45,279 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_101_function_f__83_93_0
[2025-05-07 17:23:45,279 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_101_function_f__83_93_0
[2025-05-07 17:23:45,279 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_26_function_f__83_93_0 given in one single declaration
[2025-05-07 17:23:45,280 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_26_function_f__83_93_0
[2025-05-07 17:23:45,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_26_function_f__83_93_0
[2025-05-07 17:23:45,280 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_106_function_f__42_93_0 given in one single declaration
[2025-05-07 17:23:45,280 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_106_function_f__42_93_0
[2025-05-07 17:23:45,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_106_function_f__42_93_0
[2025-05-07 17:23:45,280 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_22_function_f__42_93_0 given in one single declaration
[2025-05-07 17:23:45,280 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_22_function_f__42_93_0
[2025-05-07 17:23:45,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_22_function_f__42_93_0
[2025-05-07 17:23:45,280 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_91_f_41_93_0 given in one single declaration
[2025-05-07 17:23:45,280 INFO  L130     BoogieDeclarations]: Found specification of procedure block_91_f_41_93_0
[2025-05-07 17:23:45,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_91_f_41_93_0
[2025-05-07 17:23:45,280 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_90_function_f__42_93_0 given in one single declaration
[2025-05-07 17:23:45,280 INFO  L130     BoogieDeclarations]: Found specification of procedure block_90_function_f__42_93_0
[2025-05-07 17:23:45,280 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_90_function_f__42_93_0
[2025-05-07 17:23:45,280 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_93_function_f__55_93_0 given in one single declaration
[2025-05-07 17:23:45,281 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_93_function_f__55_93_0
[2025-05-07 17:23:45,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_93_function_f__55_93_0
[2025-05-07 17:23:45,281 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_23_function_f__55_93_0 given in one single declaration
[2025-05-07 17:23:45,281 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_23_function_f__55_93_0
[2025-05-07 17:23:45,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_23_function_f__55_93_0
[2025-05-07 17:23:45,281 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_95_f_54_93_0 given in one single declaration
[2025-05-07 17:23:45,281 INFO  L130     BoogieDeclarations]: Found specification of procedure block_95_f_54_93_0
[2025-05-07 17:23:45,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_95_f_54_93_0
[2025-05-07 17:23:45,281 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_94_function_f__55_93_0 given in one single declaration
[2025-05-07 17:23:45,281 INFO  L130     BoogieDeclarations]: Found specification of procedure block_94_function_f__55_93_0
[2025-05-07 17:23:45,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_94_function_f__55_93_0
[2025-05-07 17:23:45,281 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_97_function_f__21_93_0 given in one single declaration
[2025-05-07 17:23:45,281 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_97_function_f__21_93_0
[2025-05-07 17:23:45,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_97_function_f__21_93_0
[2025-05-07 17:23:45,281 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_20_function_f__21_93_0 given in one single declaration
[2025-05-07 17:23:45,282 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_20_function_f__21_93_0
[2025-05-07 17:23:45,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_20_function_f__21_93_0
[2025-05-07 17:23:45,282 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_86_function_f__21_93_0 given in one single declaration
[2025-05-07 17:23:45,282 INFO  L130     BoogieDeclarations]: Found specification of procedure block_86_function_f__21_93_0
[2025-05-07 17:23:45,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_86_function_f__21_93_0
[2025-05-07 17:23:45,282 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_83_return_function_f__21_93_0 given in one single declaration
[2025-05-07 17:23:45,282 INFO  L130     BoogieDeclarations]: Found specification of procedure block_83_return_function_f__21_93_0
[2025-05-07 17:23:45,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_83_return_function_f__21_93_0
[2025-05-07 17:23:45,282 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_84_function_v__92_93_0 given in one single declaration
[2025-05-07 17:23:45,282 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_84_function_v__92_93_0
[2025-05-07 17:23:45,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_84_function_v__92_93_0
[2025-05-07 17:23:45,282 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_27_function_v__92_93_0 given in one single declaration
[2025-05-07 17:23:45,282 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_27_function_v__92_93_0
[2025-05-07 17:23:45,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_27_function_v__92_93_0
[2025-05-07 17:23:45,282 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_109_return_function_v__92_93_0 given in one single declaration
[2025-05-07 17:23:45,282 INFO  L130     BoogieDeclarations]: Found specification of procedure block_109_return_function_v__92_93_0
[2025-05-07 17:23:45,283 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_109_return_function_v__92_93_0
[2025-05-07 17:23:45,283 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_108_v_91_93_0 given in one single declaration
[2025-05-07 17:23:45,283 INFO  L130     BoogieDeclarations]: Found specification of procedure block_108_v_91_93_0
[2025-05-07 17:23:45,283 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_108_v_91_93_0
[2025-05-07 17:23:45,283 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_107_function_v__92_93_0 given in one single declaration
[2025-05-07 17:23:45,283 INFO  L130     BoogieDeclarations]: Found specification of procedure block_107_function_v__92_93_0
[2025-05-07 17:23:45,283 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_107_function_v__92_93_0
[2025-05-07 17:23:45,283 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_82_f_20_93_0 given in one single declaration
[2025-05-07 17:23:45,283 INFO  L130     BoogieDeclarations]: Found specification of procedure block_82_f_20_93_0
[2025-05-07 17:23:45,283 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_82_f_20_93_0
[2025-05-07 17:23:45,283 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_81_function_f__21_93_0 given in one single declaration
[2025-05-07 17:23:45,283 INFO  L130     BoogieDeclarations]: Found specification of procedure block_81_function_f__21_93_0
[2025-05-07 17:23:45,283 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_81_function_f__21_93_0
[2025-05-07 17:23:45,283 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_85_function_f__21_93_0 given in one single declaration
[2025-05-07 17:23:45,283 INFO  L130     BoogieDeclarations]: Found specification of procedure block_85_function_f__21_93_0
[2025-05-07 17:23:45,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_85_function_f__21_93_0
[2025-05-07 17:23:45,284 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_96_return_function_f__55_93_0 given in one single declaration
[2025-05-07 17:23:45,284 INFO  L130     BoogieDeclarations]: Found specification of procedure block_96_return_function_f__55_93_0
[2025-05-07 17:23:45,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_96_return_function_f__55_93_0
[2025-05-07 17:23:45,284 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_92_return_function_f__42_93_0 given in one single declaration
[2025-05-07 17:23:45,284 INFO  L130     BoogieDeclarations]: Found specification of procedure block_92_return_function_f__42_93_0
[2025-05-07 17:23:45,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_92_return_function_f__42_93_0
[2025-05-07 17:23:45,284 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_104_f_82_93_0 given in one single declaration
[2025-05-07 17:23:45,284 INFO  L130     BoogieDeclarations]: Found specification of procedure block_104_f_82_93_0
[2025-05-07 17:23:45,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_104_f_82_93_0
[2025-05-07 17:23:45,284 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_103_function_f__83_93_0 given in one single declaration
[2025-05-07 17:23:45,284 INFO  L130     BoogieDeclarations]: Found specification of procedure block_103_function_f__83_93_0
[2025-05-07 17:23:45,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_103_function_f__83_93_0
[2025-05-07 17:23:45,284 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_105_return_function_f__83_93_0 given in one single declaration
[2025-05-07 17:23:45,284 INFO  L130     BoogieDeclarations]: Found specification of procedure block_105_return_function_f__83_93_0
[2025-05-07 17:23:45,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_105_return_function_f__83_93_0
[2025-05-07 17:23:45,285 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_102_function_g__71_93_0 given in one single declaration
[2025-05-07 17:23:45,285 INFO  L130     BoogieDeclarations]: Found specification of procedure block_102_function_g__71_93_0
[2025-05-07 17:23:45,285 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_102_function_g__71_93_0
[2025-05-07 17:23:45,285 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:23:45,285 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:23:45,285 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:23:45,531 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:23:45,534 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:23:45,826 INFO  L?                        ?]: Removed 372 outVars from TransFormulas that were not future-live.
[2025-05-07 17:23:45,826 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:23:45,836 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:23:45,837 INFO  L312             CfgBuilder]: Removed 29 assume(true) statements.
[2025-05-07 17:23:45,837 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:23:45 BoogieIcfgContainer
[2025-05-07 17:23:45,837 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:23:45,838 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:23:45,838 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:23:45,841 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:23:45,841 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:23:45" (1/3) ...
[2025-05-07 17:23:45,842 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730b1cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:23:45, skipping insertion in model container
[2025-05-07 17:23:45,842 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (2/3) ...
[2025-05-07 17:23:45,842 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730b1cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:23:45, skipping insertion in model container
[2025-05-07 17:23:45,842 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:23:45" (3/3) ...
[2025-05-07 17:23:45,844 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:23:45,856 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:23:45,859 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 51 procedures, 205 locations, 326 edges, 51 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:23:45,896 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:23:45,906 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;@68c3b4eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:23:45,906 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:23:45,910 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 205 states, 80 states have (on average 1.075) internal successors, (86), 86 states have internal predecessors, (86), 78 states have call successors, (80), 50 states have call predecessors, (80), 50 states have return successors, (80), 68 states have call predecessors, (80), 78 states have call successors, (80)
[2025-05-07 17:23:45,924 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2025-05-07 17:23:45,925 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:45,925 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:45,926 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:45,930 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:45,930 INFO  L85        PathProgramCache]: Analyzing trace with hash -1177310565, now seen corresponding path program 1 times
[2025-05-07 17:23:45,937 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:45,937 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048716302]
[2025-05-07 17:23:45,937 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:45,938 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:46,004 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes.
[2025-05-07 17:23:46,114 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements.
[2025-05-07 17:23:46,114 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:46,115 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:46,370 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 17:23:46,370 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:46,371 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048716302]
[2025-05-07 17:23:46,371 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048716302] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:46,372 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:46,374 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:23:46,376 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111789085]
[2025-05-07 17:23:46,377 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:46,381 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:23:46,381 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:46,410 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:23:46,410 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:23:46,412 INFO  L87              Difference]: Start difference. First operand  has 205 states, 80 states have (on average 1.075) internal successors, (86), 86 states have internal predecessors, (86), 78 states have call successors, (80), 50 states have call predecessors, (80), 50 states have return successors, (80), 68 states have call predecessors, (80), 78 states have call successors, (80) Second operand  has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34)
[2025-05-07 17:23:46,467 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:46,467 INFO  L93              Difference]: Finished difference Result 207 states and 248 transitions.
[2025-05-07 17:23:46,468 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:23:46,470 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 121
[2025-05-07 17:23:46,470 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:46,478 INFO  L225             Difference]: With dead ends: 207
[2025-05-07 17:23:46,479 INFO  L226             Difference]: Without dead ends: 191
[2025-05-07 17:23:46,480 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 17:23:46,483 INFO  L437           NwaCegarLoop]: 244 mSDtfsCounter, 1 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:46,484 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 710 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:46,494 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2025-05-07 17:23:46,515 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 189.
[2025-05-07 17:23:46,516 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 189 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 80 states have internal predecessors, (80), 64 states have call successors, (66), 50 states have call predecessors, (66), 50 states have return successors, (66), 58 states have call predecessors, (66), 64 states have call successors, (66)
[2025-05-07 17:23:46,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 212 transitions.
[2025-05-07 17:23:46,523 INFO  L79                 Accepts]: Start accepts. Automaton has 189 states and 212 transitions. Word has length 121
[2025-05-07 17:23:46,524 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:46,524 INFO  L485      AbstractCegarLoop]: Abstraction has 189 states and 212 transitions.
[2025-05-07 17:23:46,524 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34)
[2025-05-07 17:23:46,524 INFO  L278                IsEmpty]: Start isEmpty. Operand 189 states and 212 transitions.
[2025-05-07 17:23:46,528 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2025-05-07 17:23:46,529 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:46,529 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:46,529 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:23:46,529 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:46,530 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:46,530 INFO  L85        PathProgramCache]: Analyzing trace with hash -66657732, now seen corresponding path program 1 times
[2025-05-07 17:23:46,530 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:46,530 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208564478]
[2025-05-07 17:23:46,531 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:46,531 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:46,605 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes.
[2025-05-07 17:23:46,643 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements.
[2025-05-07 17:23:46,643 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:46,643 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:46,828 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 17:23:46,828 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:46,828 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208564478]
[2025-05-07 17:23:46,828 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208564478] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:46,828 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:46,828 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:23:46,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948770674]
[2025-05-07 17:23:46,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:46,830 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:23:46,830 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:46,831 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:23:46,831 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:23:46,831 INFO  L87              Difference]: Start difference. First operand 189 states and 212 transitions. Second operand  has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (43), 1 states have call predecessors, (43), 6 states have return successors, (43), 7 states have call predecessors, (43), 4 states have call successors, (43)
[2025-05-07 17:23:46,904 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:46,905 INFO  L93              Difference]: Finished difference Result 189 states and 211 transitions.
[2025-05-07 17:23:46,905 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:23:46,905 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (43), 1 states have call predecessors, (43), 6 states have return successors, (43), 7 states have call predecessors, (43), 4 states have call successors, (43) Word has length 151
[2025-05-07 17:23:46,906 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:46,907 INFO  L225             Difference]: With dead ends: 189
[2025-05-07 17:23:46,907 INFO  L226             Difference]: Without dead ends: 187
[2025-05-07 17:23:46,907 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:23:46,907 INFO  L437           NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:46,908 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1214 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:23:46,908 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2025-05-07 17:23:46,916 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187.
[2025-05-07 17:23:46,916 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 187 states, 78 states have (on average 1.0128205128205128) internal successors, (79), 79 states have internal predecessors, (79), 62 states have call successors, (64), 50 states have call predecessors, (64), 50 states have return successors, (64), 57 states have call predecessors, (64), 62 states have call successors, (64)
[2025-05-07 17:23:46,918 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 207 transitions.
[2025-05-07 17:23:46,918 INFO  L79                 Accepts]: Start accepts. Automaton has 187 states and 207 transitions. Word has length 151
[2025-05-07 17:23:46,918 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:46,918 INFO  L485      AbstractCegarLoop]: Abstraction has 187 states and 207 transitions.
[2025-05-07 17:23:46,919 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (43), 1 states have call predecessors, (43), 6 states have return successors, (43), 7 states have call predecessors, (43), 4 states have call successors, (43)
[2025-05-07 17:23:46,919 INFO  L278                IsEmpty]: Start isEmpty. Operand 187 states and 207 transitions.
[2025-05-07 17:23:46,920 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:23:46,921 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:46,921 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:46,921 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:23:46,921 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:46,922 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:46,922 INFO  L85        PathProgramCache]: Analyzing trace with hash 2092302901, now seen corresponding path program 1 times
[2025-05-07 17:23:46,922 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:46,922 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229003904]
[2025-05-07 17:23:46,922 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:46,922 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:46,979 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:23:46,994 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:23:46,994 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:46,994 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:47,249 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 17:23:47,250 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:47,250 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229003904]
[2025-05-07 17:23:47,250 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229003904] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:47,250 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:47,250 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:23:47,250 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113538642]
[2025-05-07 17:23:47,250 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:47,251 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:23:47,251 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:47,251 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:23:47,252 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:47,252 INFO  L87              Difference]: Start difference. First operand 187 states and 207 transitions. Second operand  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 6 states have call predecessors, (44), 4 states have call successors, (44)
[2025-05-07 17:23:47,300 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:47,300 INFO  L93              Difference]: Finished difference Result 185 states and 204 transitions.
[2025-05-07 17:23:47,301 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:23:47,301 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 6 states have call predecessors, (44), 4 states have call successors, (44) Word has length 154
[2025-05-07 17:23:47,302 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:47,303 INFO  L225             Difference]: With dead ends: 185
[2025-05-07 17:23:47,303 INFO  L226             Difference]: Without dead ends: 182
[2025-05-07 17:23:47,304 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:47,304 INFO  L437           NwaCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:47,305 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 987 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:47,306 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2025-05-07 17:23:47,316 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182.
[2025-05-07 17:23:47,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 182 states, 76 states have (on average 1.013157894736842) internal successors, (77), 77 states have internal predecessors, (77), 60 states have call successors, (61), 49 states have call predecessors, (61), 49 states have return successors, (61), 55 states have call predecessors, (61), 60 states have call successors, (61)
[2025-05-07 17:23:47,318 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 199 transitions.
[2025-05-07 17:23:47,318 INFO  L79                 Accepts]: Start accepts. Automaton has 182 states and 199 transitions. Word has length 154
[2025-05-07 17:23:47,319 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:47,319 INFO  L485      AbstractCegarLoop]: Abstraction has 182 states and 199 transitions.
[2025-05-07 17:23:47,320 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 6 states have call predecessors, (44), 4 states have call successors, (44)
[2025-05-07 17:23:47,320 INFO  L278                IsEmpty]: Start isEmpty. Operand 182 states and 199 transitions.
[2025-05-07 17:23:47,322 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:23:47,322 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:47,322 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:47,323 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:23:47,323 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:47,323 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:47,323 INFO  L85        PathProgramCache]: Analyzing trace with hash -1169307019, now seen corresponding path program 1 times
[2025-05-07 17:23:47,323 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:47,323 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302183135]
[2025-05-07 17:23:47,324 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:47,324 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:47,384 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:23:47,417 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:23:47,417 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:47,417 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:47,602 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 17:23:47,602 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:47,603 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302183135]
[2025-05-07 17:23:47,603 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302183135] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:47,603 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:47,603 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:23:47,603 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571716824]
[2025-05-07 17:23:47,603 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:47,603 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:23:47,604 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:47,604 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:23:47,604 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:47,605 INFO  L87              Difference]: Start difference. First operand 182 states and 199 transitions. Second operand  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44)
[2025-05-07 17:23:47,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:47,650 INFO  L93              Difference]: Finished difference Result 188 states and 205 transitions.
[2025-05-07 17:23:47,651 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:23:47,651 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) Word has length 154
[2025-05-07 17:23:47,651 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:47,652 INFO  L225             Difference]: With dead ends: 188
[2025-05-07 17:23:47,652 INFO  L226             Difference]: Without dead ends: 188
[2025-05-07 17:23:47,653 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:47,653 INFO  L437           NwaCegarLoop]: 197 mSDtfsCounter, 1 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:47,653 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 973 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:47,654 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 188 states.
[2025-05-07 17:23:47,659 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186.
[2025-05-07 17:23:47,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 186 states, 78 states have (on average 1.0128205128205128) internal successors, (79), 79 states have internal predecessors, (79), 60 states have call successors, (61), 49 states have call predecessors, (61), 51 states have return successors, (63), 57 states have call predecessors, (63), 60 states have call successors, (63)
[2025-05-07 17:23:47,660 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 203 transitions.
[2025-05-07 17:23:47,660 INFO  L79                 Accepts]: Start accepts. Automaton has 186 states and 203 transitions. Word has length 154
[2025-05-07 17:23:47,660 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:47,660 INFO  L485      AbstractCegarLoop]: Abstraction has 186 states and 203 transitions.
[2025-05-07 17:23:47,660 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44)
[2025-05-07 17:23:47,660 INFO  L278                IsEmpty]: Start isEmpty. Operand 186 states and 203 transitions.
[2025-05-07 17:23:47,661 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:23:47,661 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:47,662 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:47,662 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:23:47,662 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:47,662 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:47,662 INFO  L85        PathProgramCache]: Analyzing trace with hash -837310750, now seen corresponding path program 1 times
[2025-05-07 17:23:47,662 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:47,662 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574083610]
[2025-05-07 17:23:47,663 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:47,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:47,716 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:23:47,734 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:23:47,734 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:47,734 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:47,855 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 17:23:47,855 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:47,855 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574083610]
[2025-05-07 17:23:47,855 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574083610] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:47,855 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:47,855 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:23:47,855 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436484921]
[2025-05-07 17:23:47,855 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:47,856 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:23:47,856 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:47,856 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:23:47,856 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:47,857 INFO  L87              Difference]: Start difference. First operand 186 states and 203 transitions. Second operand  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:23:47,900 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:47,900 INFO  L93              Difference]: Finished difference Result 192 states and 209 transitions.
[2025-05-07 17:23:47,901 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:23:47,901 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) Word has length 157
[2025-05-07 17:23:47,901 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:47,902 INFO  L225             Difference]: With dead ends: 192
[2025-05-07 17:23:47,902 INFO  L226             Difference]: Without dead ends: 192
[2025-05-07 17:23:47,902 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:47,903 INFO  L437           NwaCegarLoop]: 197 mSDtfsCounter, 1 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:47,903 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 972 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:47,904 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2025-05-07 17:23:47,908 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190.
[2025-05-07 17:23:47,908 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 190 states, 80 states have (on average 1.0125) internal successors, (81), 81 states have internal predecessors, (81), 60 states have call successors, (61), 49 states have call predecessors, (61), 53 states have return successors, (65), 59 states have call predecessors, (65), 60 states have call successors, (65)
[2025-05-07 17:23:47,909 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 207 transitions.
[2025-05-07 17:23:47,909 INFO  L79                 Accepts]: Start accepts. Automaton has 190 states and 207 transitions. Word has length 157
[2025-05-07 17:23:47,909 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:47,909 INFO  L485      AbstractCegarLoop]: Abstraction has 190 states and 207 transitions.
[2025-05-07 17:23:47,910 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:23:47,910 INFO  L278                IsEmpty]: Start isEmpty. Operand 190 states and 207 transitions.
[2025-05-07 17:23:47,911 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:23:47,911 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:47,911 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:47,911 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:23:47,911 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:47,912 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:47,912 INFO  L85        PathProgramCache]: Analyzing trace with hash 163884621, now seen corresponding path program 1 times
[2025-05-07 17:23:47,912 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:47,912 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407463061]
[2025-05-07 17:23:47,912 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:47,912 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:47,969 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:23:47,991 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:23:47,991 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:47,991 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:48,300 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 17:23:48,300 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:48,300 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407463061]
[2025-05-07 17:23:48,300 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407463061] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:48,300 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:48,300 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-05-07 17:23:48,300 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988861537]
[2025-05-07 17:23:48,300 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:48,301 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-05-07 17:23:48,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:48,302 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-05-07 17:23:48,302 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:23:48,302 INFO  L87              Difference]: Start difference. First operand 190 states and 207 transitions. Second operand  has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 7 states have call successors, (44), 1 states have call predecessors, (44), 13 states have return successors, (44), 13 states have call predecessors, (44), 7 states have call successors, (44)
[2025-05-07 17:23:48,514 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:48,515 INFO  L93              Difference]: Finished difference Result 203 states and 223 transitions.
[2025-05-07 17:23:48,515 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-05-07 17:23:48,515 INFO  L79                 Accepts]: Start accepts. Automaton has  has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 7 states have call successors, (44), 1 states have call predecessors, (44), 13 states have return successors, (44), 13 states have call predecessors, (44), 7 states have call successors, (44) Word has length 154
[2025-05-07 17:23:48,516 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:48,517 INFO  L225             Difference]: With dead ends: 203
[2025-05-07 17:23:48,517 INFO  L226             Difference]: Without dead ends: 203
[2025-05-07 17:23:48,517 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:23:48,517 INFO  L437           NwaCegarLoop]: 208 mSDtfsCounter, 1 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2663 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:48,518 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2663 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-05-07 17:23:48,518 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2025-05-07 17:23:48,524 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2025-05-07 17:23:48,524 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 203 states, 86 states have (on average 1.0116279069767442) internal successors, (87), 87 states have internal predecessors, (87), 61 states have call successors, (62), 49 states have call predecessors, (62), 59 states have return successors, (74), 66 states have call predecessors, (74), 61 states have call successors, (74)
[2025-05-07 17:23:48,525 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 223 transitions.
[2025-05-07 17:23:48,526 INFO  L79                 Accepts]: Start accepts. Automaton has 203 states and 223 transitions. Word has length 154
[2025-05-07 17:23:48,526 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:48,526 INFO  L485      AbstractCegarLoop]: Abstraction has 203 states and 223 transitions.
[2025-05-07 17:23:48,526 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 7 states have call successors, (44), 1 states have call predecessors, (44), 13 states have return successors, (44), 13 states have call predecessors, (44), 7 states have call successors, (44)
[2025-05-07 17:23:48,526 INFO  L278                IsEmpty]: Start isEmpty. Operand 203 states and 223 transitions.
[2025-05-07 17:23:48,527 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:23:48,528 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:48,528 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:48,528 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:23:48,528 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:48,528 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:48,528 INFO  L85        PathProgramCache]: Analyzing trace with hash 1959887321, now seen corresponding path program 1 times
[2025-05-07 17:23:48,528 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:48,528 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696858631]
[2025-05-07 17:23:48,528 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:48,529 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:48,578 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:23:48,593 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:23:48,593 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:48,593 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:48,708 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 17:23:48,708 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:48,708 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696858631]
[2025-05-07 17:23:48,708 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696858631] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:48,708 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:48,708 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:23:48,708 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623149409]
[2025-05-07 17:23:48,708 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:48,709 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:23:48,709 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:48,709 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:23:48,710 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:48,710 INFO  L87              Difference]: Start difference. First operand 203 states and 223 transitions. Second operand  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:23:48,745 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:48,746 INFO  L93              Difference]: Finished difference Result 209 states and 229 transitions.
[2025-05-07 17:23:48,746 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:23:48,746 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) Word has length 157
[2025-05-07 17:23:48,747 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:48,748 INFO  L225             Difference]: With dead ends: 209
[2025-05-07 17:23:48,748 INFO  L226             Difference]: Without dead ends: 209
[2025-05-07 17:23:48,748 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:48,749 INFO  L437           NwaCegarLoop]: 199 mSDtfsCounter, 1 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:48,749 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 980 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:48,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2025-05-07 17:23:48,754 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207.
[2025-05-07 17:23:48,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 207 states, 88 states have (on average 1.0113636363636365) internal successors, (89), 89 states have internal predecessors, (89), 61 states have call successors, (62), 49 states have call predecessors, (62), 61 states have return successors, (76), 68 states have call predecessors, (76), 61 states have call successors, (76)
[2025-05-07 17:23:48,755 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 227 transitions.
[2025-05-07 17:23:48,755 INFO  L79                 Accepts]: Start accepts. Automaton has 207 states and 227 transitions. Word has length 157
[2025-05-07 17:23:48,755 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:48,755 INFO  L485      AbstractCegarLoop]: Abstraction has 207 states and 227 transitions.
[2025-05-07 17:23:48,755 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:23:48,755 INFO  L278                IsEmpty]: Start isEmpty. Operand 207 states and 227 transitions.
[2025-05-07 17:23:48,756 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2025-05-07 17:23:48,756 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:48,756 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:48,757 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:23:48,757 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:48,757 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:48,757 INFO  L85        PathProgramCache]: Analyzing trace with hash -1273092276, now seen corresponding path program 1 times
[2025-05-07 17:23:48,757 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:48,757 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085767909]
[2025-05-07 17:23:48,757 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:48,757 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:48,803 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes.
[2025-05-07 17:23:48,820 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements.
[2025-05-07 17:23:48,820 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:48,820 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:48,916 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 17:23:48,916 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:48,916 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085767909]
[2025-05-07 17:23:48,916 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085767909] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:48,916 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:48,916 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:23:48,916 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752388843]
[2025-05-07 17:23:48,916 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:48,917 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:23:48,917 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:48,917 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:23:48,917 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:48,918 INFO  L87              Difference]: Start difference. First operand 207 states and 227 transitions. Second operand  has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (46), 1 states have call predecessors, (46), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46)
[2025-05-07 17:23:48,955 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:48,955 INFO  L93              Difference]: Finished difference Result 202 states and 219 transitions.
[2025-05-07 17:23:48,955 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:23:48,955 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (46), 1 states have call predecessors, (46), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) Word has length 160
[2025-05-07 17:23:48,955 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:48,956 INFO  L225             Difference]: With dead ends: 202
[2025-05-07 17:23:48,956 INFO  L226             Difference]: Without dead ends: 202
[2025-05-07 17:23:48,956 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:48,957 INFO  L437           NwaCegarLoop]: 197 mSDtfsCounter, 1 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:48,957 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 972 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:48,957 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 202 states.
[2025-05-07 17:23:48,961 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202.
[2025-05-07 17:23:48,961 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 202 states, 86 states have (on average 1.0116279069767442) internal successors, (87), 87 states have internal predecessors, (87), 60 states have call successors, (61), 49 states have call predecessors, (61), 59 states have return successors, (71), 65 states have call predecessors, (71), 60 states have call successors, (71)
[2025-05-07 17:23:48,962 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 219 transitions.
[2025-05-07 17:23:48,962 INFO  L79                 Accepts]: Start accepts. Automaton has 202 states and 219 transitions. Word has length 160
[2025-05-07 17:23:48,962 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:48,962 INFO  L485      AbstractCegarLoop]: Abstraction has 202 states and 219 transitions.
[2025-05-07 17:23:48,962 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (46), 1 states have call predecessors, (46), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46)
[2025-05-07 17:23:48,962 INFO  L278                IsEmpty]: Start isEmpty. Operand 202 states and 219 transitions.
[2025-05-07 17:23:48,963 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:23:48,963 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:48,964 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:48,964 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:23:48,964 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:48,964 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:48,964 INFO  L85        PathProgramCache]: Analyzing trace with hash 1079080869, now seen corresponding path program 1 times
[2025-05-07 17:23:48,964 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:48,964 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199000467]
[2025-05-07 17:23:48,964 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:48,964 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:49,008 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:23:49,028 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:23:49,028 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:49,028 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:49,128 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 17:23:49,129 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:49,129 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199000467]
[2025-05-07 17:23:49,129 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199000467] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:49,129 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:49,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:23:49,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152000006]
[2025-05-07 17:23:49,129 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:49,129 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:23:49,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:49,130 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:23:49,130 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:49,130 INFO  L87              Difference]: Start difference. First operand 202 states and 219 transitions. Second operand  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:23:49,148 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:49,149 INFO  L93              Difference]: Finished difference Result 142 states and 155 transitions.
[2025-05-07 17:23:49,149 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:23:49,149 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) Word has length 157
[2025-05-07 17:23:49,149 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:49,149 INFO  L225             Difference]: With dead ends: 142
[2025-05-07 17:23:49,149 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:23:49,150 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:49,150 INFO  L437           NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:49,150 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 662 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:49,150 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:23:49,150 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:23:49,150 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 17:23:49,150 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:23:49,151 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157
[2025-05-07 17:23:49,151 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:49,151 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:23:49,151 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:23:49,151 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:23:49,151 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:23:49,153 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:23:49,153 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:23:49,156 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:23:49,157 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:23:49,159 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:23:49 BoogieIcfgContainer
[2025-05-07 17:23:49,160 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:23:49,160 INFO  L158              Benchmark]: Toolchain (without parser) took 4021.77ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 137.1MB in the beginning and 164.9MB in the end (delta: -27.9MB). Peak memory consumption was 38.9MB. Max. memory is 33.6GB.
[2025-05-07 17:23:49,160 INFO  L158              Benchmark]: SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:23:49,160 INFO  L158              Benchmark]: ChcToBoogie took 35.40ms. Allocated memory is still 234.9MB. Free memory was 137.1MB in the beginning and 132.9MB in the end (delta: 4.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:23:49,160 INFO  L158              Benchmark]: Boogie Preprocessor took 63.99ms. Allocated memory is still 234.9MB. Free memory was 132.9MB in the beginning and 128.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:23:49,161 INFO  L158              Benchmark]: RCFGBuilder took 597.87ms. Allocated memory is still 234.9MB. Free memory was 128.7MB in the beginning and 138.2MB in the end (delta: -9.6MB). Peak memory consumption was 26.5MB. Max. memory is 33.6GB.
[2025-05-07 17:23:49,161 INFO  L158              Benchmark]: TraceAbstraction took 3321.30ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 137.4MB in the beginning and 164.9MB in the end (delta: -27.5MB). Peak memory consumption was 12.4MB. Max. memory is 33.6GB.
[2025-05-07 17:23:49,162 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 35.40ms. Allocated memory is still 234.9MB. Free memory was 137.1MB in the beginning and 132.9MB in the end (delta: 4.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * Boogie Preprocessor took 63.99ms. Allocated memory is still 234.9MB. Free memory was 132.9MB in the beginning and 128.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 597.87ms. Allocated memory is still 234.9MB. Free memory was 128.7MB in the beginning and 138.2MB in the end (delta: -9.6MB). Peak memory consumption was 26.5MB. Max. memory is 33.6GB.
 * TraceAbstraction took 3321.30ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 137.4MB in the beginning and 164.9MB in the end (delta: -27.5MB). Peak memory consumption was 12.4MB. 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 51 procedures, 205 locations, 326 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 10133 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8352 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 379 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1781 mSDtfsCounter, 379 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=7, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1365 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 1560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 17:23:49,173 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
