./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/constructor_state_variable_init_chain_tree.sol_2_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:56,324 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:56,366 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db8c0d01-1b53-42b7-8297-f0ba3444743c/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:56,369 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:56,369 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:56,381 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:56,382 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:56,382 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:56,382 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:56,382 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:56,382 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:56,382 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:56,382 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:56,382 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:56,383 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:56,383 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:56,383 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:56,383 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:56,383 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:56,383 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:56,383 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:56,384 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:56,384 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:56,384 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:56,384 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:56,384 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:56,384 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:56,562 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:56,568 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:56,570 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:56,571 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:56,571 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:56,572 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db8c0d01-1b53-42b7-8297-f0ba3444743c/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/constructor_state_variable_init_chain_tree.sol_2_no_adts_000.smt2
[2025-05-07 17:28:56,573 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:56,575 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:56,798 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db8c0d01-1b53-42b7-8297-f0ba3444743c/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/constructor_state_variable_init_chain_tree.sol_2_no_adts_000.smt2
[2025-05-07 17:28:56,800 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:56,801 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:56,802 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:56,802 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:56,802 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:56,804 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,831 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56 Unit
[2025-05-07 17:28:56,831 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:56,832 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:56,832 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:56,832 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:56,843 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,843 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,864 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,864 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,868 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,869 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,870 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,872 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,873 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,884 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:56,884 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:56,884 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:56,884 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:56,885 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (1/1) ...
[2025-05-07 17:28:56,887 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:56,895 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:56,903 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:56,905 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:56,912 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:56,913 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:56,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:56,913 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_13_0 given in one single declaration
[2025-05-07 17:28:56,913 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_13_0
[2025-05-07 17:28:56,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_13_0
[2025-05-07 17:28:56,913 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_16_F_84_0 given in one single declaration
[2025-05-07 17:28:56,913 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_16_F_84_0
[2025-05-07 17:28:56,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_16_F_84_0
[2025-05-07 17:28:56,913 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_67_F_84_0 given in one single declaration
[2025-05-07 17:28:56,913 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_67_F_84_0
[2025-05-07 17:28:56,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_67_F_84_0
[2025-05-07 17:28:56,913 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_69_F_84_0 given in one single declaration
[2025-05-07 17:28:56,913 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_69_F_84_0
[2025-05-07 17:28:56,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_69_F_84_0
[2025-05-07 17:28:56,913 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_68_F_84_0 given in one single declaration
[2025-05-07 17:28:56,913 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_68_F_84_0
[2025-05-07 17:28:56,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_68_F_84_0
[2025-05-07 17:28:56,914 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_19_constructor_83_84_0 given in one single declaration
[2025-05-07 17:28:56,914 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_19_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_19_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_65_constructor_83_84_0 given in one single declaration
[2025-05-07 17:28:56,914 INFO  L130     BoogieDeclarations]: Found specification of procedure block_65_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_65_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_63__82_84_0 given in one single declaration
[2025-05-07 17:28:56,914 INFO  L130     BoogieDeclarations]: Found specification of procedure block_63__82_84_0
[2025-05-07 17:28:56,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_63__82_84_0
[2025-05-07 17:28:56,914 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_62_constructor_83_84_0 given in one single declaration
[2025-05-07 17:28:56,914 INFO  L130     BoogieDeclarations]: Found specification of procedure block_62_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_62_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_64_return_constructor_83_84_0 given in one single declaration
[2025-05-07 17:28:56,914 INFO  L130     BoogieDeclarations]: Found specification of procedure block_64_return_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_64_return_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_66_constructor_83_84_0 given in one single declaration
[2025-05-07 17:28:56,914 INFO  L130     BoogieDeclarations]: Found specification of procedure block_66_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_66_constructor_83_84_0
[2025-05-07 17:28:56,914 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_73_A_13_0 given in one single declaration
[2025-05-07 17:28:56,914 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_73_A_13_0
[2025-05-07 17:28:56,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_73_A_13_0
[2025-05-07 17:28:56,915 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_17_constructor_12_84_0 given in one single declaration
[2025-05-07 17:28:56,915 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_17_constructor_12_84_0
[2025-05-07 17:28:56,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_17_constructor_12_84_0
[2025-05-07 17:28:56,915 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_72_return_constructor_12_84_0 given in one single declaration
[2025-05-07 17:28:56,915 INFO  L130     BoogieDeclarations]: Found specification of procedure block_72_return_constructor_12_84_0
[2025-05-07 17:28:56,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_72_return_constructor_12_84_0
[2025-05-07 17:28:56,915 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_71__11_84_0 given in one single declaration
[2025-05-07 17:28:56,915 INFO  L130     BoogieDeclarations]: Found specification of procedure block_71__11_84_0
[2025-05-07 17:28:56,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_71__11_84_0
[2025-05-07 17:28:56,915 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_70_constructor_12_84_0 given in one single declaration
[2025-05-07 17:28:56,915 INFO  L130     BoogieDeclarations]: Found specification of procedure block_70_constructor_12_84_0
[2025-05-07 17:28:56,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_70_constructor_12_84_0
[2025-05-07 17:28:56,915 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_75_A_13_0 given in one single declaration
[2025-05-07 17:28:56,915 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_75_A_13_0
[2025-05-07 17:28:56,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_75_A_13_0
[2025-05-07 17:28:56,915 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_74_A_13_0 given in one single declaration
[2025-05-07 17:28:56,915 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_74_A_13_0
[2025-05-07 17:28:56,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_74_A_13_0
[2025-05-07 17:28:56,915 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_79_Z_26_0 given in one single declaration
[2025-05-07 17:28:56,915 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_79_Z_26_0
[2025-05-07 17:28:56,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_79_Z_26_0
[2025-05-07 17:28:56,916 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_81_Z_26_0 given in one single declaration
[2025-05-07 17:28:56,916 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_81_Z_26_0
[2025-05-07 17:28:56,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_81_Z_26_0
[2025-05-07 17:28:56,916 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_80_Z_26_0 given in one single declaration
[2025-05-07 17:28:56,916 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_80_Z_26_0
[2025-05-07 17:28:56,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_80_Z_26_0
[2025-05-07 17:28:56,916 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_18_constructor_25_84_0 given in one single declaration
[2025-05-07 17:28:56,916 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_18_constructor_25_84_0
[2025-05-07 17:28:56,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_18_constructor_25_84_0
[2025-05-07 17:28:56,916 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_78_return_constructor_25_84_0 given in one single declaration
[2025-05-07 17:28:56,916 INFO  L130     BoogieDeclarations]: Found specification of procedure block_78_return_constructor_25_84_0
[2025-05-07 17:28:56,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_78_return_constructor_25_84_0
[2025-05-07 17:28:56,916 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_77__24_84_0 given in one single declaration
[2025-05-07 17:28:56,916 INFO  L130     BoogieDeclarations]: Found specification of procedure block_77__24_84_0
[2025-05-07 17:28:56,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_77__24_84_0
[2025-05-07 17:28:56,916 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_76_constructor_25_84_0 given in one single declaration
[2025-05-07 17:28:56,916 INFO  L130     BoogieDeclarations]: Found specification of procedure block_76_constructor_25_84_0
[2025-05-07 17:28:56,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_76_constructor_25_84_0
[2025-05-07 17:28:56,916 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_82_F_84_0 given in one single declaration
[2025-05-07 17:28:56,917 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_82_F_84_0
[2025-05-07 17:28:56,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_82_F_84_0
[2025-05-07 17:28:56,917 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:56,917 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:56,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:57,068 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:57,070 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:57,343 INFO  L?                        ?]: Removed 251 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:57,343 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:57,355 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:57,355 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-05-07 17:28:57,356 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:57 BoogieIcfgContainer
[2025-05-07 17:28:57,356 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:57,358 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:57,358 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:57,361 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:57,362 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:56" (1/3) ...
[2025-05-07 17:28:57,362 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ec51d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:57, skipping insertion in model container
[2025-05-07 17:28:57,362 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:56" (2/3) ...
[2025-05-07 17:28:57,363 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ec51d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:57, skipping insertion in model container
[2025-05-07 17:28:57,363 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:57" (3/3) ...
[2025-05-07 17:28:57,364 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:57,378 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:57,379 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 28 procedures, 117 locations, 185 edges, 28 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:57,415 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:57,424 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;@7f4661e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:57,425 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:57,428 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 117 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 53 states have internal predecessors, (53), 42 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 36 states have call predecessors, (44), 42 states have call successors, (44)
[2025-05-07 17:28:57,438 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2025-05-07 17:28:57,438 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:57,439 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]
[2025-05-07 17:28:57,439 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:57,443 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:57,444 INFO  L85        PathProgramCache]: Analyzing trace with hash 1558716380, now seen corresponding path program 1 times
[2025-05-07 17:28:57,451 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:57,451 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083129960]
[2025-05-07 17:28:57,451 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:57,452 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:57,499 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes.
[2025-05-07 17:28:57,562 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements.
[2025-05-07 17:28:57,562 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:57,562 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:57,715 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:57,715 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:57,715 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083129960]
[2025-05-07 17:28:57,716 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083129960] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:57,716 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:57,718 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:57,719 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530466917]
[2025-05-07 17:28:57,720 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:57,722 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:57,723 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:57,756 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:57,756 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:57,758 INFO  L87              Difference]: Start difference. First operand  has 117 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 53 states have internal predecessors, (53), 42 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 36 states have call predecessors, (44), 42 states have call successors, (44) Second operand  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11)
[2025-05-07 17:28:57,863 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:57,863 INFO  L93              Difference]: Finished difference Result 114 states and 136 transitions.
[2025-05-07 17:28:57,865 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:57,866 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 41
[2025-05-07 17:28:57,866 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:57,875 INFO  L225             Difference]: With dead ends: 114
[2025-05-07 17:28:57,875 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:28:57,877 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:57,881 INFO  L437           NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:57,881 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 650 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:57,897 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:28:57,923 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2025-05-07 17:28:57,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 50 states have internal predecessors, (50), 40 states have call successors, (42), 27 states have call predecessors, (42), 27 states have return successors, (42), 35 states have call predecessors, (42), 40 states have call successors, (42)
[2025-05-07 17:28:57,930 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 134 transitions.
[2025-05-07 17:28:57,932 INFO  L79                 Accepts]: Start accepts. Automaton has 113 states and 134 transitions. Word has length 41
[2025-05-07 17:28:57,933 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:57,934 INFO  L485      AbstractCegarLoop]: Abstraction has 113 states and 134 transitions.
[2025-05-07 17:28:57,934 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11)
[2025-05-07 17:28:57,934 INFO  L278                IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions.
[2025-05-07 17:28:57,936 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2025-05-07 17:28:57,937 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:57,937 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]
[2025-05-07 17:28:57,937 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:57,937 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:57,938 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:57,938 INFO  L85        PathProgramCache]: Analyzing trace with hash 1297261400, now seen corresponding path program 1 times
[2025-05-07 17:28:57,938 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:57,938 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340657022]
[2025-05-07 17:28:57,938 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:57,938 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:57,967 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes.
[2025-05-07 17:28:57,981 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements.
[2025-05-07 17:28:57,981 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:57,981 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:58,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:58,058 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:58,058 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340657022]
[2025-05-07 17:28:58,059 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340657022] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:58,059 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:58,059 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:58,059 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232823009]
[2025-05-07 17:28:58,059 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:58,060 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:58,060 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:58,061 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:58,061 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:58,061 INFO  L87              Difference]: Start difference. First operand 113 states and 134 transitions. Second operand  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11)
[2025-05-07 17:28:58,128 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:58,129 INFO  L93              Difference]: Finished difference Result 115 states and 135 transitions.
[2025-05-07 17:28:58,129 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:58,129 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 41
[2025-05-07 17:28:58,130 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:58,131 INFO  L225             Difference]: With dead ends: 115
[2025-05-07 17:28:58,131 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:28:58,131 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:58,131 INFO  L437           NwaCegarLoop]: 131 mSDtfsCounter, 1 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:58,132 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 373 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:58,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:28:58,139 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111.
[2025-05-07 17:28:58,139 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 49 states have internal predecessors, (49), 38 states have call successors, (40), 27 states have call predecessors, (40), 27 states have return successors, (40), 34 states have call predecessors, (40), 38 states have call successors, (40)
[2025-05-07 17:28:58,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions.
[2025-05-07 17:28:58,141 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 41
[2025-05-07 17:28:58,141 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:58,141 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 129 transitions.
[2025-05-07 17:28:58,141 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11)
[2025-05-07 17:28:58,141 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions.
[2025-05-07 17:28:58,144 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-05-07 17:28:58,144 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:58,144 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]
[2025-05-07 17:28:58,144 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:58,144 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:58,145 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:58,145 INFO  L85        PathProgramCache]: Analyzing trace with hash 2114601420, now seen corresponding path program 1 times
[2025-05-07 17:28:58,145 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:58,145 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969409972]
[2025-05-07 17:28:58,145 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:58,145 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:58,177 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-05-07 17:28:58,190 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-05-07 17:28:58,190 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:58,191 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:58,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:58,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:58,258 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969409972]
[2025-05-07 17:28:58,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969409972] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:58,258 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:58,259 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:58,259 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22802476]
[2025-05-07 17:28:58,259 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:58,259 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:58,259 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:58,260 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:58,260 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:58,260 INFO  L87              Difference]: Start difference. First operand 111 states and 129 transitions. Second operand  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:28:58,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:58,306 INFO  L93              Difference]: Finished difference Result 115 states and 134 transitions.
[2025-05-07 17:28:58,306 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:58,307 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 66
[2025-05-07 17:28:58,307 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:58,309 INFO  L225             Difference]: With dead ends: 115
[2025-05-07 17:28:58,309 INFO  L226             Difference]: Without dead ends: 115
[2025-05-07 17:28:58,309 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:58,310 INFO  L437           NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:58,310 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 366 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:58,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2025-05-07 17:28:58,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113.
[2025-05-07 17:28:58,318 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 50 states have internal predecessors, (50), 38 states have call successors, (40), 27 states have call predecessors, (40), 28 states have return successors, (42), 35 states have call predecessors, (42), 38 states have call successors, (42)
[2025-05-07 17:28:58,319 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 132 transitions.
[2025-05-07 17:28:58,319 INFO  L79                 Accepts]: Start accepts. Automaton has 113 states and 132 transitions. Word has length 66
[2025-05-07 17:28:58,319 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:58,320 INFO  L485      AbstractCegarLoop]: Abstraction has 113 states and 132 transitions.
[2025-05-07 17:28:58,320 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:28:58,320 INFO  L278                IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions.
[2025-05-07 17:28:58,321 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-05-07 17:28:58,321 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:58,321 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]
[2025-05-07 17:28:58,321 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:58,321 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:58,322 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:58,322 INFO  L85        PathProgramCache]: Analyzing trace with hash 1036127568, now seen corresponding path program 1 times
[2025-05-07 17:28:58,322 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:58,322 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656502436]
[2025-05-07 17:28:58,322 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:58,322 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:58,352 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-05-07 17:28:58,375 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-05-07 17:28:58,376 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:58,376 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:58,480 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:58,480 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:58,480 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656502436]
[2025-05-07 17:28:58,481 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656502436] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:58,481 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:58,481 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:58,481 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976864427]
[2025-05-07 17:28:58,481 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:58,481 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:58,481 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:58,482 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:58,482 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:58,482 INFO  L87              Difference]: Start difference. First operand 113 states and 132 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:28:58,533 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:58,533 INFO  L93              Difference]: Finished difference Result 111 states and 127 transitions.
[2025-05-07 17:28:58,534 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:58,534 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 3 states have call successors, (18) Word has length 66
[2025-05-07 17:28:58,534 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:58,539 INFO  L225             Difference]: With dead ends: 111
[2025-05-07 17:28:58,539 INFO  L226             Difference]: Without dead ends: 106
[2025-05-07 17:28:58,540 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:58,540 INFO  L437           NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:58,541 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 605 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:58,541 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2025-05-07 17:28:58,547 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2025-05-07 17:28:58,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 33 states have call successors, (35), 27 states have call predecessors, (35), 27 states have return successors, (35), 31 states have call predecessors, (35), 33 states have call successors, (35)
[2025-05-07 17:28:58,548 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions.
[2025-05-07 17:28:58,548 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 66
[2025-05-07 17:28:58,548 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:58,549 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 117 transitions.
[2025-05-07 17:28:58,549 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:28:58,549 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions.
[2025-05-07 17:28:58,550 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:58,550 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:58,551 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]
[2025-05-07 17:28:58,551 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:58,551 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:58,551 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:58,552 INFO  L85        PathProgramCache]: Analyzing trace with hash 513812833, now seen corresponding path program 1 times
[2025-05-07 17:28:58,552 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:58,552 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951462651]
[2025-05-07 17:28:58,552 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:58,552 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:58,591 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:58,607 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:58,607 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:58,607 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:58,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:58,682 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:58,682 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951462651]
[2025-05-07 17:28:58,683 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951462651] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:58,683 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:58,683 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:58,683 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813026770]
[2025-05-07 17:28:58,683 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:58,684 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:58,684 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:58,684 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:58,684 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:58,685 INFO  L87              Difference]: Start difference. First operand 106 states and 117 transitions. Second operand  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (25), 1 states have call predecessors, (25), 3 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25)
[2025-05-07 17:28:58,713 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:58,713 INFO  L93              Difference]: Finished difference Result 110 states and 121 transitions.
[2025-05-07 17:28:58,713 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:58,714 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (25), 1 states have call predecessors, (25), 3 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 91
[2025-05-07 17:28:58,714 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:58,715 INFO  L225             Difference]: With dead ends: 110
[2025-05-07 17:28:58,715 INFO  L226             Difference]: Without dead ends: 110
[2025-05-07 17:28:58,715 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:58,715 INFO  L437           NwaCegarLoop]: 119 mSDtfsCounter, 1 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:58,716 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 342 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:58,716 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2025-05-07 17:28:58,720 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108.
[2025-05-07 17:28:58,720 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 108 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 48 states have internal predecessors, (48), 33 states have call successors, (35), 27 states have call predecessors, (35), 28 states have return successors, (36), 32 states have call predecessors, (36), 33 states have call successors, (36)
[2025-05-07 17:28:58,721 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 119 transitions.
[2025-05-07 17:28:58,721 INFO  L79                 Accepts]: Start accepts. Automaton has 108 states and 119 transitions. Word has length 91
[2025-05-07 17:28:58,722 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:58,722 INFO  L485      AbstractCegarLoop]: Abstraction has 108 states and 119 transitions.
[2025-05-07 17:28:58,722 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (25), 1 states have call predecessors, (25), 3 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25)
[2025-05-07 17:28:58,722 INFO  L278                IsEmpty]: Start isEmpty. Operand 108 states and 119 transitions.
[2025-05-07 17:28:58,723 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:58,723 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:58,723 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]
[2025-05-07 17:28:58,723 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:58,723 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:58,724 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:58,724 INFO  L85        PathProgramCache]: Analyzing trace with hash 697682173, now seen corresponding path program 1 times
[2025-05-07 17:28:58,724 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:58,724 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716360042]
[2025-05-07 17:28:58,724 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:58,724 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:58,760 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:58,776 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:58,776 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:58,777 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:58,903 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:58,903 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:58,903 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716360042]
[2025-05-07 17:28:58,903 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716360042] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:58,903 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:58,903 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:58,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294844683]
[2025-05-07 17:28:58,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:58,904 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:58,904 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:58,904 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:58,904 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:58,905 INFO  L87              Difference]: Start difference. First operand 108 states and 119 transitions. Second operand  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:28:58,970 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:58,970 INFO  L93              Difference]: Finished difference Result 118 states and 132 transitions.
[2025-05-07 17:28:58,971 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:58,971 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 91
[2025-05-07 17:28:58,971 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:58,972 INFO  L225             Difference]: With dead ends: 118
[2025-05-07 17:28:58,972 INFO  L226             Difference]: Without dead ends: 104
[2025-05-07 17:28:58,973 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:58,973 INFO  L437           NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:58,974 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 690 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:58,974 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2025-05-07 17:28:58,980 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104.
[2025-05-07 17:28:58,980 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 44 states have (on average 1.0454545454545454) internal successors, (46), 46 states have internal predecessors, (46), 32 states have call successors, (33), 26 states have call predecessors, (33), 27 states have return successors, (34), 31 states have call predecessors, (34), 32 states have call successors, (34)
[2025-05-07 17:28:58,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions.
[2025-05-07 17:28:58,981 INFO  L79                 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 91
[2025-05-07 17:28:58,981 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:58,982 INFO  L485      AbstractCegarLoop]: Abstraction has 104 states and 113 transitions.
[2025-05-07 17:28:58,982 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:28:58,982 INFO  L278                IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions.
[2025-05-07 17:28:58,983 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:58,983 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:58,983 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]
[2025-05-07 17:28:58,983 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:28:58,984 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:58,984 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:58,984 INFO  L85        PathProgramCache]: Analyzing trace with hash -1920488905, now seen corresponding path program 1 times
[2025-05-07 17:28:58,984 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:58,984 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072330187]
[2025-05-07 17:28:58,984 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:58,984 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:59,021 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:59,038 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:59,039 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:59,039 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:59,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:59,172 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:59,172 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072330187]
[2025-05-07 17:28:59,172 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072330187] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:59,172 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:59,172 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:59,172 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357275160]
[2025-05-07 17:28:59,172 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:59,172 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:59,172 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:59,173 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:59,173 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:59,173 INFO  L87              Difference]: Start difference. First operand 104 states and 113 transitions. Second operand  has 7 states, 5 states have (on average 8.2) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 1 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25)
[2025-05-07 17:28:59,257 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:59,257 INFO  L93              Difference]: Finished difference Result 106 states and 115 transitions.
[2025-05-07 17:28:59,257 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:59,258 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 5 states have (on average 8.2) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 1 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 91
[2025-05-07 17:28:59,258 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:59,259 INFO  L225             Difference]: With dead ends: 106
[2025-05-07 17:28:59,259 INFO  L226             Difference]: Without dead ends: 106
[2025-05-07 17:28:59,259 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:59,260 INFO  L437           NwaCegarLoop]: 109 mSDtfsCounter, 2 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:59,260 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 633 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:59,261 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2025-05-07 17:28:59,265 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2025-05-07 17:28:59,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 32 states have call successors, (33), 26 states have call predecessors, (33), 28 states have return successors, (35), 32 states have call predecessors, (35), 32 states have call successors, (35)
[2025-05-07 17:28:59,267 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions.
[2025-05-07 17:28:59,267 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 91
[2025-05-07 17:28:59,267 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:59,267 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 115 transitions.
[2025-05-07 17:28:59,267 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 5 states have (on average 8.2) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 1 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25)
[2025-05-07 17:28:59,267 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions.
[2025-05-07 17:28:59,268 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:59,268 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:59,269 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]
[2025-05-07 17:28:59,269 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:28:59,269 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:59,269 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:59,269 INFO  L85        PathProgramCache]: Analyzing trace with hash 692065237, now seen corresponding path program 1 times
[2025-05-07 17:28:59,269 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:59,269 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009657614]
[2025-05-07 17:28:59,269 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:59,269 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:59,296 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:59,300 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:59,300 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:59,300 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:59,360 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:59,361 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:59,361 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009657614]
[2025-05-07 17:28:59,361 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009657614] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:59,361 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:59,361 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:59,361 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141007354]
[2025-05-07 17:28:59,361 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:59,361 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:59,361 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:59,362 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:59,362 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:59,362 INFO  L87              Difference]: Start difference. First operand 106 states and 115 transitions. Second operand  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (25), 1 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25)
[2025-05-07 17:28:59,371 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:59,371 INFO  L93              Difference]: Finished difference Result 108 states and 116 transitions.
[2025-05-07 17:28:59,372 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:59,372 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (25), 1 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 91
[2025-05-07 17:28:59,372 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:59,373 INFO  L225             Difference]: With dead ends: 108
[2025-05-07 17:28:59,373 INFO  L226             Difference]: Without dead ends: 92
[2025-05-07 17:28:59,373 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:59,373 INFO  L437           NwaCegarLoop]: 111 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:59,374 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 323 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:59,374 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2025-05-07 17:28:59,377 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2025-05-07 17:28:59,377 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 41 states have (on average 1.0) internal successors, (41), 41 states have internal predecessors, (41), 25 states have call successors, (25), 25 states have call predecessors, (25), 25 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2025-05-07 17:28:59,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 91 transitions.
[2025-05-07 17:28:59,378 INFO  L79                 Accepts]: Start accepts. Automaton has 92 states and 91 transitions. Word has length 91
[2025-05-07 17:28:59,378 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:59,378 INFO  L485      AbstractCegarLoop]: Abstraction has 92 states and 91 transitions.
[2025-05-07 17:28:59,378 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (25), 1 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25)
[2025-05-07 17:28:59,378 INFO  L278                IsEmpty]: Start isEmpty. Operand 92 states and 91 transitions.
[2025-05-07 17:28:59,378 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:59,379 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:59,379 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]
[2025-05-07 17:28:59,379 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:28:59,379 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:59,379 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:59,379 INFO  L85        PathProgramCache]: Analyzing trace with hash 252357853, now seen corresponding path program 1 times
[2025-05-07 17:28:59,379 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:59,379 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070415155]
[2025-05-07 17:28:59,379 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:59,379 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:59,410 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:59,441 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:59,441 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:59,441 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:00,445 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:00,446 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:00,446 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070415155]
[2025-05-07 17:29:00,446 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070415155] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:00,446 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:00,446 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20
[2025-05-07 17:29:00,446 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337455011]
[2025-05-07 17:29:00,446 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:00,446 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2025-05-07 17:29:00,446 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:00,447 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2025-05-07 17:29:00,447 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380
[2025-05-07 17:29:00,447 INFO  L87              Difference]: Start difference. First operand 92 states and 91 transitions. Second operand  has 20 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 17 states have internal predecessors, (41), 9 states have call successors, (25), 1 states have call predecessors, (25), 14 states have return successors, (25), 16 states have call predecessors, (25), 9 states have call successors, (25)
[2025-05-07 17:29:00,716 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:00,716 INFO  L93              Difference]: Finished difference Result 84 states and 83 transitions.
[2025-05-07 17:29:00,716 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2025-05-07 17:29:00,716 INFO  L79                 Accepts]: Start accepts. Automaton has  has 20 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 17 states have internal predecessors, (41), 9 states have call successors, (25), 1 states have call predecessors, (25), 14 states have return successors, (25), 16 states have call predecessors, (25), 9 states have call successors, (25) Word has length 91
[2025-05-07 17:29:00,717 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:00,717 INFO  L225             Difference]: With dead ends: 84
[2025-05-07 17:29:00,717 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:29:00,717 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552
[2025-05-07 17:29:00,718 INFO  L437           NwaCegarLoop]: 72 mSDtfsCounter, 3 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:00,718 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1321 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-05-07 17:29:00,718 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:29:00,719 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:29:00,719 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:29:00,719 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:29:00,719 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91
[2025-05-07 17:29:00,719 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:00,719 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:29:00,719 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 17 states have internal predecessors, (41), 9 states have call successors, (25), 1 states have call predecessors, (25), 14 states have return successors, (25), 16 states have call predecessors, (25), 9 states have call successors, (25)
[2025-05-07 17:29:00,719 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:29:00,720 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:29:00,722 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:29:00,722 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:29:00,726 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:00,728 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:29:00,731 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:29:00 BoogieIcfgContainer
[2025-05-07 17:29:00,731 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:29:00,732 INFO  L158              Benchmark]: Toolchain (without parser) took 3930.47ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 147.1MB in the beginning and 164.5MB in the end (delta: -17.5MB). Peak memory consumption was 49.8MB. Max. memory is 33.6GB.
[2025-05-07 17:29:00,732 INFO  L158              Benchmark]: SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:00,732 INFO  L158              Benchmark]: ChcToBoogie took 29.98ms. Allocated memory is still 234.9MB. Free memory was 147.1MB in the beginning and 144.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:00,732 INFO  L158              Benchmark]: Boogie Preprocessor took 51.70ms. Allocated memory is still 234.9MB. Free memory was 144.1MB in the beginning and 140.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:00,733 INFO  L158              Benchmark]: RCFGBuilder took 471.82ms. Allocated memory is still 234.9MB. Free memory was 140.7MB in the beginning and 166.9MB in the end (delta: -26.3MB). Peak memory consumption was 43.7MB. Max. memory is 33.6GB.
[2025-05-07 17:29:00,733 INFO  L158              Benchmark]: TraceAbstraction took 3373.10ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 166.5MB in the beginning and 164.5MB in the end (delta: 2.0MB). Peak memory consumption was 56.5MB. Max. memory is 33.6GB.
[2025-05-07 17:29:00,734 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 29.98ms. Allocated memory is still 234.9MB. Free memory was 147.1MB in the beginning and 144.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 51.70ms. Allocated memory is still 234.9MB. Free memory was 144.1MB in the beginning and 140.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 471.82ms. Allocated memory is still 234.9MB. Free memory was 140.7MB in the beginning and 166.9MB in the end (delta: -26.3MB). Peak memory consumption was 43.7MB. Max. memory is 33.6GB.
 * TraceAbstraction took 3373.10ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 166.5MB in the beginning and 164.5MB in the end (delta: 2.0MB). Peak memory consumption was 56.5MB. 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 28 procedures, 117 locations, 185 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 5303 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4258 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 377 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1045 mSDtfsCounter, 377 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, InterpolantAutomatonStates: 62, 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, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 669 NumberOfCodeBlocks, 669 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 660 ConstructedInterpolants, 0 QuantifiedInterpolants, 910 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 17:29:00,748 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
