./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/unary_operators_tuple_2.sol_1_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:20,425 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:20,464 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a5ade9-01a9-415b-989b-baacb87cff4d/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:20,467 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:20,467 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:20,481 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:20,481 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:20,482 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:20,482 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:20,482 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:20,482 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:20,482 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:20,482 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:20,482 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:20,482 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:20,482 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:20,482 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:20,483 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:20,483 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:20,483 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:20,483 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:20,483 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:20,483 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:20,483 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:20,483 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:20,483 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:20,483 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:20,667 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:20,673 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:20,674 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:20,675 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:20,675 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:20,676 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a5ade9-01a9-415b-989b-baacb87cff4d/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/unary_operators_tuple_2.sol_1_no_adts_000.smt2
[2025-05-07 17:28:20,677 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:20,680 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:20,957 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a5ade9-01a9-415b-989b-baacb87cff4d/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/unary_operators_tuple_2.sol_1_no_adts_000.smt2
[2025-05-07 17:28:20,960 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:20,961 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:20,962 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:20,962 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:20,962 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:20,964 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:20,993 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20 Unit
[2025-05-07 17:28:20,993 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:20,994 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:20,994 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:20,994 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:21,005 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,005 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,036 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,036 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,044 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,045 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,048 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,051 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,054 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,072 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:21,073 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:21,073 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:21,073 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:21,074 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (1/1) ...
[2025-05-07 17:28:21,076 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:21,088 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:21,098 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 17:28:21,100 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 17:28:21,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:21,107 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:21,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:21,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:28:21,107 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:28:21,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:28:21,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__53_54_0 given in one single declaration
[2025-05-07 17:28:21,108 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__53_54_0
[2025-05-07 17:28:21,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__53_54_0
[2025-05-07 17:28:21,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__53_54_0 given in one single declaration
[2025-05-07 17:28:21,108 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__53_54_0
[2025-05-07 17:28:21,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__53_54_0
[2025-05-07 17:28:21,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_f__53_54_0 given in one single declaration
[2025-05-07 17:28:21,108 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_f__53_54_0
[2025-05-07 17:28:21,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_f__53_54_0
[2025-05-07 17:28:21,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_f_52_54_0 given in one single declaration
[2025-05-07 17:28:21,108 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_f_52_54_0
[2025-05-07 17:28:21,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_f_52_54_0
[2025-05-07 17:28:21,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_if_header_f_40_54_0 given in one single declaration
[2025-05-07 17:28:21,108 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_if_header_f_40_54_0
[2025-05-07 17:28:21,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_if_header_f_40_54_0
[2025-05-07 17:28:21,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_f_52_54_0 given in one single declaration
[2025-05-07 17:28:21,108 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_f_52_54_0
[2025-05-07 17:28:21,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_f_52_54_0
[2025-05-07 17:28:21,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_if_header_f_29_54_0 given in one single declaration
[2025-05-07 17:28:21,109 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_if_header_f_29_54_0
[2025-05-07 17:28:21,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_if_header_f_29_54_0
[2025-05-07 17:28:21,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_f_52_54_0 given in one single declaration
[2025-05-07 17:28:21,109 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_f_52_54_0
[2025-05-07 17:28:21,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_f_52_54_0
[2025-05-07 17:28:21,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_if_true_f_17_54_0 given in one single declaration
[2025-05-07 17:28:21,109 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_if_true_f_17_54_0
[2025-05-07 17:28:21,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_if_true_f_17_54_0
[2025-05-07 17:28:21,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_if_header_f_18_54_0 given in one single declaration
[2025-05-07 17:28:21,109 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_if_header_f_18_54_0
[2025-05-07 17:28:21,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_if_header_f_18_54_0
[2025-05-07 17:28:21,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_52_54_0 given in one single declaration
[2025-05-07 17:28:21,109 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_52_54_0
[2025-05-07 17:28:21,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_52_54_0
[2025-05-07 17:28:21,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__53_54_0 given in one single declaration
[2025-05-07 17:28:21,109 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__53_54_0
[2025-05-07 17:28:21,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__53_54_0
[2025-05-07 17:28:21,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_if_true_f_28_54_0 given in one single declaration
[2025-05-07 17:28:21,109 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_if_true_f_28_54_0
[2025-05-07 17:28:21,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_if_true_f_28_54_0
[2025-05-07 17:28:21,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_if_true_f_39_54_0 given in one single declaration
[2025-05-07 17:28:21,110 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_if_true_f_39_54_0
[2025-05-07 17:28:21,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_if_true_f_39_54_0
[2025-05-07 17:28:21,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_f__53_54_0 given in one single declaration
[2025-05-07 17:28:21,110 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_f__53_54_0
[2025-05-07 17:28:21,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_f__53_54_0
[2025-05-07 17:28:21,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__53_54_0 given in one single declaration
[2025-05-07 17:28:21,110 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__53_54_0
[2025-05-07 17:28:21,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__53_54_0
[2025-05-07 17:28:21,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_f__53_54_0 given in one single declaration
[2025-05-07 17:28:21,110 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_f__53_54_0
[2025-05-07 17:28:21,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_f__53_54_0
[2025-05-07 17:28:21,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_54_0 given in one single declaration
[2025-05-07 17:28:21,110 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_54_0
[2025-05-07 17:28:21,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_54_0
[2025-05-07 17:28:21,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_54_0 given in one single declaration
[2025-05-07 17:28:21,110 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_54_0
[2025-05-07 17:28:21,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_54_0
[2025-05-07 17:28:21,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_23_C_54_0 given in one single declaration
[2025-05-07 17:28:21,110 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_23_C_54_0
[2025-05-07 17:28:21,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_23_C_54_0
[2025-05-07 17:28:21,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_20_C_54_0 given in one single declaration
[2025-05-07 17:28:21,111 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_20_C_54_0
[2025-05-07 17:28:21,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_20_C_54_0
[2025-05-07 17:28:21,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_22_C_54_0 given in one single declaration
[2025-05-07 17:28:21,111 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_22_C_54_0
[2025-05-07 17:28:21,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_22_C_54_0
[2025-05-07 17:28:21,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_21_C_54_0 given in one single declaration
[2025-05-07 17:28:21,111 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_21_C_54_0
[2025-05-07 17:28:21,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_21_C_54_0
[2025-05-07 17:28:21,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:21,111 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:21,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:21,247 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:21,248 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:21,477 INFO  L?                        ?]: Removed 153 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:21,477 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:21,488 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:21,489 INFO  L312             CfgBuilder]: Removed 10 assume(true) statements.
[2025-05-07 17:28:21,489 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:21 BoogieIcfgContainer
[2025-05-07 17:28:21,489 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:21,491 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:21,491 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:21,495 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:21,495 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:20" (1/3) ...
[2025-05-07 17:28:21,496 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fec611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:21, skipping insertion in model container
[2025-05-07 17:28:21,496 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:20" (2/3) ...
[2025-05-07 17:28:21,496 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fec611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:21, skipping insertion in model container
[2025-05-07 17:28:21,496 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:21" (3/3) ...
[2025-05-07 17:28:21,497 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:21,508 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:21,509 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 26 procedures, 103 locations, 152 edges, 26 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:21,544 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:21,554 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;@63cdb846, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:21,555 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:21,558 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 103 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 50 states have internal predecessors, (50), 32 states have call successors, (34), 25 states have call predecessors, (34), 25 states have return successors, (34), 27 states have call predecessors, (34), 32 states have call successors, (34)
[2025-05-07 17:28:21,568 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2025-05-07 17:28:21,568 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:21,568 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]
[2025-05-07 17:28:21,569 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:21,573 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:21,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -533083055, now seen corresponding path program 1 times
[2025-05-07 17:28:21,580 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:21,580 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137800241]
[2025-05-07 17:28:21,581 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:21,581 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:21,642 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes.
[2025-05-07 17:28:21,668 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements.
[2025-05-07 17:28:21,668 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:21,669 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:21,905 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 17:28:21,906 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:21,906 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137800241]
[2025-05-07 17:28:21,906 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137800241] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:21,906 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:21,908 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:21,909 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253904266]
[2025-05-07 17:28:21,910 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:21,914 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:21,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:21,950 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:21,951 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:21,953 INFO  L87              Difference]: Start difference. First operand  has 103 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 50 states have internal predecessors, (50), 32 states have call successors, (34), 25 states have call predecessors, (34), 25 states have return successors, (34), 27 states have call predecessors, (34), 32 states have call successors, (34) Second operand  has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 4 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20)
[2025-05-07 17:28:22,001 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:22,002 INFO  L93              Difference]: Finished difference Result 105 states and 120 transitions.
[2025-05-07 17:28:22,003 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:22,005 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 4 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 73
[2025-05-07 17:28:22,005 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:22,010 INFO  L225             Difference]: With dead ends: 105
[2025-05-07 17:28:22,011 INFO  L226             Difference]: Without dead ends: 101
[2025-05-07 17:28:22,012 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 17:28:22,014 INFO  L437           NwaCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 341 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 17:28:22,015 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 341 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:22,026 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2025-05-07 17:28:22,042 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99.
[2025-05-07 17:28:22,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 47 states have internal predecessors, (47), 30 states have call successors, (32), 25 states have call predecessors, (32), 25 states have return successors, (32), 26 states have call predecessors, (32), 30 states have call successors, (32)
[2025-05-07 17:28:22,046 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions.
[2025-05-07 17:28:22,047 INFO  L79                 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 73
[2025-05-07 17:28:22,048 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:22,048 INFO  L485      AbstractCegarLoop]: Abstraction has 99 states and 111 transitions.
[2025-05-07 17:28:22,048 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 4 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20)
[2025-05-07 17:28:22,048 INFO  L278                IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions.
[2025-05-07 17:28:22,050 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2025-05-07 17:28:22,050 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:22,050 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]
[2025-05-07 17:28:22,050 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:22,050 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:22,051 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:22,051 INFO  L85        PathProgramCache]: Analyzing trace with hash -476587117, now seen corresponding path program 1 times
[2025-05-07 17:28:22,051 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:22,051 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186045323]
[2025-05-07 17:28:22,051 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:22,051 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:22,090 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes.
[2025-05-07 17:28:22,133 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements.
[2025-05-07 17:28:22,134 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:22,134 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:22,640 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 17:28:22,640 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:22,640 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186045323]
[2025-05-07 17:28:22,640 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186045323] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:22,641 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:22,641 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2025-05-07 17:28:22,641 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737182437]
[2025-05-07 17:28:22,641 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:22,642 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2025-05-07 17:28:22,642 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:22,642 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2025-05-07 17:28:22,642 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2025-05-07 17:28:22,643 INFO  L87              Difference]: Start difference. First operand 99 states and 111 transitions. Second operand  has 15 states, 12 states have (on average 2.75) internal successors, (33), 15 states have internal predecessors, (33), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20)
[2025-05-07 17:28:22,905 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:22,905 INFO  L93              Difference]: Finished difference Result 115 states and 131 transitions.
[2025-05-07 17:28:22,905 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2025-05-07 17:28:22,905 INFO  L79                 Accepts]: Start accepts. Automaton has  has 15 states, 12 states have (on average 2.75) internal successors, (33), 15 states have internal predecessors, (33), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20) Word has length 73
[2025-05-07 17:28:22,906 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:22,908 INFO  L225             Difference]: With dead ends: 115
[2025-05-07 17:28:22,908 INFO  L226             Difference]: Without dead ends: 115
[2025-05-07 17:28:22,909 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2025-05-07 17:28:22,910 INFO  L437           NwaCegarLoop]: 99 mSDtfsCounter, 2 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:22,910 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1353 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-05-07 17:28:22,911 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2025-05-07 17:28:22,923 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2025-05-07 17:28:22,923 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 115 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 55 states have internal predecessors, (55), 30 states have call successors, (32), 25 states have call predecessors, (32), 33 states have return successors, (44), 34 states have call predecessors, (44), 30 states have call successors, (44)
[2025-05-07 17:28:22,925 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions.
[2025-05-07 17:28:22,925 INFO  L79                 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 73
[2025-05-07 17:28:22,926 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:22,926 INFO  L485      AbstractCegarLoop]: Abstraction has 115 states and 131 transitions.
[2025-05-07 17:28:22,927 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 12 states have (on average 2.75) internal successors, (33), 15 states have internal predecessors, (33), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20)
[2025-05-07 17:28:22,927 INFO  L278                IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions.
[2025-05-07 17:28:22,929 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2025-05-07 17:28:22,930 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:22,930 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]
[2025-05-07 17:28:22,930 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:22,930 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:22,931 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:22,931 INFO  L85        PathProgramCache]: Analyzing trace with hash 463340449, now seen corresponding path program 1 times
[2025-05-07 17:28:22,931 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:22,931 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038873288]
[2025-05-07 17:28:22,931 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:22,931 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:22,963 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes.
[2025-05-07 17:28:22,976 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements.
[2025-05-07 17:28:22,976 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:22,976 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:23,153 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 17:28:23,154 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:23,154 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038873288]
[2025-05-07 17:28:23,154 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038873288] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:23,154 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:23,154 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:23,154 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757822363]
[2025-05-07 17:28:23,154 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:23,155 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:23,155 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:23,155 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:23,155 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:23,156 INFO  L87              Difference]: Start difference. First operand 115 states and 131 transitions. Second operand  has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)
[2025-05-07 17:28:23,181 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:23,181 INFO  L93              Difference]: Finished difference Result 113 states and 127 transitions.
[2025-05-07 17:28:23,181 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:23,182 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 73
[2025-05-07 17:28:23,182 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:23,184 INFO  L225             Difference]: With dead ends: 113
[2025-05-07 17:28:23,184 INFO  L226             Difference]: Without dead ends: 111
[2025-05-07 17:28:23,185 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 17:28:23,185 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:23,186 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 308 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:23,187 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2025-05-07 17:28:23,196 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2025-05-07 17:28:23,196 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 53 states have internal predecessors, (53), 29 states have call successors, (30), 24 states have call predecessors, (30), 32 states have return successors, (41), 33 states have call predecessors, (41), 29 states have call successors, (41)
[2025-05-07 17:28:23,198 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions.
[2025-05-07 17:28:23,198 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 73
[2025-05-07 17:28:23,199 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:23,199 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 124 transitions.
[2025-05-07 17:28:23,199 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)
[2025-05-07 17:28:23,199 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions.
[2025-05-07 17:28:23,201 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2025-05-07 17:28:23,201 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:23,201 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]
[2025-05-07 17:28:23,201 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:23,202 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:23,202 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:23,202 INFO  L85        PathProgramCache]: Analyzing trace with hash -938340011, now seen corresponding path program 1 times
[2025-05-07 17:28:23,202 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:23,202 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931113590]
[2025-05-07 17:28:23,202 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:23,203 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:23,236 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes.
[2025-05-07 17:28:23,246 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements.
[2025-05-07 17:28:23,246 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:23,246 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:23,409 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 17:28:23,409 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:23,409 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931113590]
[2025-05-07 17:28:23,409 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931113590] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:23,409 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:23,409 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2025-05-07 17:28:23,409 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861629847]
[2025-05-07 17:28:23,409 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:23,410 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-05-07 17:28:23,410 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:23,410 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-05-07 17:28:23,410 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:23,411 INFO  L87              Difference]: Start difference. First operand 111 states and 124 transitions. Second operand  has 9 states, 8 states have (on average 4.125) internal successors, (33), 9 states have internal predecessors, (33), 3 states have call successors, (20), 1 states have call predecessors, (20), 8 states have return successors, (20), 8 states have call predecessors, (20), 3 states have call successors, (20)
[2025-05-07 17:28:23,521 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:23,521 INFO  L93              Difference]: Finished difference Result 111 states and 123 transitions.
[2025-05-07 17:28:23,522 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2025-05-07 17:28:23,522 INFO  L79                 Accepts]: Start accepts. Automaton has  has 9 states, 8 states have (on average 4.125) internal successors, (33), 9 states have internal predecessors, (33), 3 states have call successors, (20), 1 states have call predecessors, (20), 8 states have return successors, (20), 8 states have call predecessors, (20), 3 states have call successors, (20) Word has length 73
[2025-05-07 17:28:23,523 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:23,524 INFO  L225             Difference]: With dead ends: 111
[2025-05-07 17:28:23,524 INFO  L226             Difference]: Without dead ends: 111
[2025-05-07 17:28:23,524 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:23,525 INFO  L437           NwaCegarLoop]: 95 mSDtfsCounter, 1 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:23,525 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 745 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:23,526 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2025-05-07 17:28:23,532 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2025-05-07 17:28:23,532 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 53 states have internal predecessors, (53), 29 states have call successors, (30), 24 states have call predecessors, (30), 32 states have return successors, (40), 33 states have call predecessors, (40), 29 states have call successors, (40)
[2025-05-07 17:28:23,533 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions.
[2025-05-07 17:28:23,533 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 73
[2025-05-07 17:28:23,533 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:23,533 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 123 transitions.
[2025-05-07 17:28:23,533 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 4.125) internal successors, (33), 9 states have internal predecessors, (33), 3 states have call successors, (20), 1 states have call predecessors, (20), 8 states have return successors, (20), 8 states have call predecessors, (20), 3 states have call successors, (20)
[2025-05-07 17:28:23,533 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions.
[2025-05-07 17:28:23,534 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2025-05-07 17:28:23,534 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:23,534 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]
[2025-05-07 17:28:23,534 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:23,534 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:23,535 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:23,535 INFO  L85        PathProgramCache]: Analyzing trace with hash -951655749, now seen corresponding path program 1 times
[2025-05-07 17:28:23,535 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:23,535 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026264288]
[2025-05-07 17:28:23,535 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:23,535 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:23,563 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes.
[2025-05-07 17:28:23,579 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements.
[2025-05-07 17:28:23,579 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:23,579 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:23,782 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 17:28:23,782 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:23,782 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026264288]
[2025-05-07 17:28:23,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026264288] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:23,782 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:23,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:23,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062056449]
[2025-05-07 17:28:23,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:23,783 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:23,783 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:23,783 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:23,784 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:23,784 INFO  L87              Difference]: Start difference. First operand 111 states and 123 transitions. Second operand  has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (21), 7 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:28:23,856 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:23,856 INFO  L93              Difference]: Finished difference Result 115 states and 127 transitions.
[2025-05-07 17:28:23,857 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:23,857 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (21), 7 states have call predecessors, (21), 3 states have call successors, (21) Word has length 77
[2025-05-07 17:28:23,858 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:23,858 INFO  L225             Difference]: With dead ends: 115
[2025-05-07 17:28:23,858 INFO  L226             Difference]: Without dead ends: 115
[2025-05-07 17:28:23,858 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:23,859 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:23,859 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 719 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:23,859 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2025-05-07 17:28:23,863 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2025-05-07 17:28:23,864 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 115 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 55 states have internal predecessors, (55), 29 states have call successors, (30), 24 states have call predecessors, (30), 34 states have return successors, (42), 35 states have call predecessors, (42), 29 states have call successors, (42)
[2025-05-07 17:28:23,864 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 127 transitions.
[2025-05-07 17:28:23,864 INFO  L79                 Accepts]: Start accepts. Automaton has 115 states and 127 transitions. Word has length 77
[2025-05-07 17:28:23,865 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:23,865 INFO  L485      AbstractCegarLoop]: Abstraction has 115 states and 127 transitions.
[2025-05-07 17:28:23,865 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (21), 7 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:28:23,865 INFO  L278                IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions.
[2025-05-07 17:28:23,865 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2025-05-07 17:28:23,865 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:23,865 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]
[2025-05-07 17:28:23,866 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:23,866 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:23,866 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:23,866 INFO  L85        PathProgramCache]: Analyzing trace with hash -497288717, now seen corresponding path program 1 times
[2025-05-07 17:28:23,866 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:23,866 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615826254]
[2025-05-07 17:28:23,866 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:23,866 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:23,887 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes.
[2025-05-07 17:28:23,896 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements.
[2025-05-07 17:28:23,896 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:23,896 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:24,013 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 17:28:24,014 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:24,014 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615826254]
[2025-05-07 17:28:24,014 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615826254] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:24,014 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:24,014 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:24,014 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568548806]
[2025-05-07 17:28:24,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:24,014 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:24,015 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:24,015 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:24,015 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:24,015 INFO  L87              Difference]: Start difference. First operand 115 states and 127 transitions. Second operand  has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:28:24,062 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:24,062 INFO  L93              Difference]: Finished difference Result 117 states and 128 transitions.
[2025-05-07 17:28:24,062 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:24,062 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21) Word has length 77
[2025-05-07 17:28:24,063 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:24,063 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:28:24,063 INFO  L226             Difference]: Without dead ends: 115
[2025-05-07 17:28:24,063 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 17:28:24,064 INFO  L437           NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:24,064 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 601 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:24,064 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2025-05-07 17:28:24,071 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2025-05-07 17:28:24,071 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 115 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 55 states have internal predecessors, (55), 29 states have call successors, (30), 24 states have call predecessors, (30), 34 states have return successors, (41), 35 states have call predecessors, (41), 29 states have call successors, (41)
[2025-05-07 17:28:24,072 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 126 transitions.
[2025-05-07 17:28:24,072 INFO  L79                 Accepts]: Start accepts. Automaton has 115 states and 126 transitions. Word has length 77
[2025-05-07 17:28:24,072 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:24,072 INFO  L485      AbstractCegarLoop]: Abstraction has 115 states and 126 transitions.
[2025-05-07 17:28:24,072 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:28:24,072 INFO  L278                IsEmpty]: Start isEmpty. Operand 115 states and 126 transitions.
[2025-05-07 17:28:24,073 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2025-05-07 17:28:24,073 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:24,073 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]
[2025-05-07 17:28:24,073 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:28:24,073 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:24,073 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:24,073 INFO  L85        PathProgramCache]: Analyzing trace with hash -1925799007, now seen corresponding path program 1 times
[2025-05-07 17:28:24,074 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:24,074 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927573873]
[2025-05-07 17:28:24,074 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:24,074 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:24,093 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes.
[2025-05-07 17:28:24,101 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements.
[2025-05-07 17:28:24,101 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:24,101 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:24,241 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 17:28:24,241 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:24,241 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927573873]
[2025-05-07 17:28:24,241 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927573873] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:24,241 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:24,241 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2025-05-07 17:28:24,241 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387295578]
[2025-05-07 17:28:24,242 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:24,242 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2025-05-07 17:28:24,242 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:24,243 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2025-05-07 17:28:24,243 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:28:24,243 INFO  L87              Difference]: Start difference. First operand 115 states and 126 transitions. Second operand  has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 9 states have return successors, (21), 9 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:28:24,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:24,345 INFO  L93              Difference]: Finished difference Result 119 states and 130 transitions.
[2025-05-07 17:28:24,345 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2025-05-07 17:28:24,345 INFO  L79                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 9 states have return successors, (21), 9 states have call predecessors, (21), 3 states have call successors, (21) Word has length 77
[2025-05-07 17:28:24,346 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:24,347 INFO  L225             Difference]: With dead ends: 119
[2025-05-07 17:28:24,347 INFO  L226             Difference]: Without dead ends: 119
[2025-05-07 17:28:24,347 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:28:24,348 INFO  L437           NwaCegarLoop]: 95 mSDtfsCounter, 1 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:24,348 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 841 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:24,348 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2025-05-07 17:28:24,354 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119.
[2025-05-07 17:28:24,354 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 57 states have internal predecessors, (57), 29 states have call successors, (30), 24 states have call predecessors, (30), 36 states have return successors, (43), 37 states have call predecessors, (43), 29 states have call successors, (43)
[2025-05-07 17:28:24,355 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 130 transitions.
[2025-05-07 17:28:24,355 INFO  L79                 Accepts]: Start accepts. Automaton has 119 states and 130 transitions. Word has length 77
[2025-05-07 17:28:24,356 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:24,356 INFO  L485      AbstractCegarLoop]: Abstraction has 119 states and 130 transitions.
[2025-05-07 17:28:24,356 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 9 states have return successors, (21), 9 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:28:24,356 INFO  L278                IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions.
[2025-05-07 17:28:24,357 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2025-05-07 17:28:24,357 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:24,357 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]
[2025-05-07 17:28:24,358 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:28:24,358 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:24,358 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:24,358 INFO  L85        PathProgramCache]: Analyzing trace with hash -379963809, now seen corresponding path program 1 times
[2025-05-07 17:28:24,358 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:24,358 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756170048]
[2025-05-07 17:28:24,358 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:24,358 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:24,384 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes.
[2025-05-07 17:28:24,395 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements.
[2025-05-07 17:28:24,396 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:24,396 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:24,499 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 17:28:24,499 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:24,499 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756170048]
[2025-05-07 17:28:24,499 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756170048] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:24,500 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:24,500 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:28:24,500 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117240911]
[2025-05-07 17:28:24,500 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:24,500 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:28:24,500 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:24,501 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:28:24,501 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:28:24,501 INFO  L87              Difference]: Start difference. First operand 119 states and 130 transitions. Second operand  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:28:24,525 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:24,525 INFO  L93              Difference]: Finished difference Result 115 states and 124 transitions.
[2025-05-07 17:28:24,525 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:28:24,526 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 77
[2025-05-07 17:28:24,526 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:24,527 INFO  L225             Difference]: With dead ends: 115
[2025-05-07 17:28:24,527 INFO  L226             Difference]: Without dead ends: 111
[2025-05-07 17:28:24,527 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:28:24,527 INFO  L437           NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:24,528 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 400 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:24,528 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2025-05-07 17:28:24,533 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2025-05-07 17:28:24,533 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 53 states have internal predecessors, (53), 29 states have call successors, (30), 24 states have call predecessors, (30), 32 states have return successors, (37), 33 states have call predecessors, (37), 29 states have call successors, (37)
[2025-05-07 17:28:24,534 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 120 transitions.
[2025-05-07 17:28:24,534 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 120 transitions. Word has length 77
[2025-05-07 17:28:24,534 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:24,534 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 120 transitions.
[2025-05-07 17:28:24,534 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:28:24,535 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions.
[2025-05-07 17:28:24,535 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2025-05-07 17:28:24,536 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:24,536 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]
[2025-05-07 17:28:24,536 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:28:24,536 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:24,536 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:24,536 INFO  L85        PathProgramCache]: Analyzing trace with hash 1068616603, now seen corresponding path program 1 times
[2025-05-07 17:28:24,536 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:24,536 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552440122]
[2025-05-07 17:28:24,537 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:24,537 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:24,560 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes.
[2025-05-07 17:28:24,573 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements.
[2025-05-07 17:28:24,573 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:24,573 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:24,737 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 17:28:24,737 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:24,737 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552440122]
[2025-05-07 17:28:24,737 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552440122] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:24,738 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:24,738 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:24,738 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102106338]
[2025-05-07 17:28:24,738 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:24,738 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:24,738 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:24,739 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:24,739 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:24,739 INFO  L87              Difference]: Start difference. First operand 111 states and 120 transitions. Second operand  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (22), 1 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22)
[2025-05-07 17:28:24,782 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:24,782 INFO  L93              Difference]: Finished difference Result 111 states and 119 transitions.
[2025-05-07 17:28:24,782 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:24,783 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (22), 1 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) Word has length 81
[2025-05-07 17:28:24,783 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:24,783 INFO  L225             Difference]: With dead ends: 111
[2025-05-07 17:28:24,783 INFO  L226             Difference]: Without dead ends: 111
[2025-05-07 17:28:24,784 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 17:28:24,784 INFO  L437           NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:24,784 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 498 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:24,785 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2025-05-07 17:28:24,788 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2025-05-07 17:28:24,788 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 53 states have internal predecessors, (53), 29 states have call successors, (30), 24 states have call predecessors, (30), 32 states have return successors, (36), 33 states have call predecessors, (36), 29 states have call successors, (36)
[2025-05-07 17:28:24,788 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 119 transitions.
[2025-05-07 17:28:24,789 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 119 transitions. Word has length 81
[2025-05-07 17:28:24,789 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:24,789 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 119 transitions.
[2025-05-07 17:28:24,789 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (22), 1 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22)
[2025-05-07 17:28:24,789 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 119 transitions.
[2025-05-07 17:28:24,790 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:28:24,790 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:24,790 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]
[2025-05-07 17:28:24,790 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:28:24,790 INFO  L403      AbstractCegarLoop]: === Iteration 10 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:24,790 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:24,790 INFO  L85        PathProgramCache]: Analyzing trace with hash -1098891929, now seen corresponding path program 1 times
[2025-05-07 17:28:24,790 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:24,791 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084464511]
[2025-05-07 17:28:24,791 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:24,791 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:24,815 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:28:24,839 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:28:24,839 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:24,839 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:25,249 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:25,249 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:25,249 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084464511]
[2025-05-07 17:28:25,249 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084464511] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:25,249 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:25,249 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-05-07 17:28:25,249 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976162324]
[2025-05-07 17:28:25,249 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:25,250 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-05-07 17:28:25,250 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:25,251 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-05-07 17:28:25,251 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:28:25,251 INFO  L87              Difference]: Start difference. First operand 111 states and 119 transitions. Second operand  has 14 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 14 states have internal predecessors, (39), 5 states have call successors, (23), 1 states have call predecessors, (23), 11 states have return successors, (23), 11 states have call predecessors, (23), 5 states have call successors, (23)
[2025-05-07 17:28:25,408 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:25,408 INFO  L93              Difference]: Finished difference Result 109 states and 116 transitions.
[2025-05-07 17:28:25,409 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2025-05-07 17:28:25,409 INFO  L79                 Accepts]: Start accepts. Automaton has  has 14 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 14 states have internal predecessors, (39), 5 states have call successors, (23), 1 states have call predecessors, (23), 11 states have return successors, (23), 11 states have call predecessors, (23), 5 states have call successors, (23) Word has length 85
[2025-05-07 17:28:25,410 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:25,410 INFO  L225             Difference]: With dead ends: 109
[2025-05-07 17:28:25,410 INFO  L226             Difference]: Without dead ends: 107
[2025-05-07 17:28:25,411 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240
[2025-05-07 17:28:25,411 INFO  L437           NwaCegarLoop]: 97 mSDtfsCounter, 2 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:25,411 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1226 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:25,412 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2025-05-07 17:28:25,415 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2025-05-07 17:28:25,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 107 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 51 states have internal predecessors, (51), 28 states have call successors, (28), 23 states have call predecessors, (28), 31 states have return successors, (34), 32 states have call predecessors, (34), 28 states have call successors, (34)
[2025-05-07 17:28:25,416 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 113 transitions.
[2025-05-07 17:28:25,416 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 113 transitions. Word has length 85
[2025-05-07 17:28:25,417 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:25,417 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 113 transitions.
[2025-05-07 17:28:25,417 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 14 states have internal predecessors, (39), 5 states have call successors, (23), 1 states have call predecessors, (23), 11 states have return successors, (23), 11 states have call predecessors, (23), 5 states have call successors, (23)
[2025-05-07 17:28:25,417 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions.
[2025-05-07 17:28:25,418 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:28:25,418 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:25,418 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]
[2025-05-07 17:28:25,418 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-05-07 17:28:25,418 INFO  L403      AbstractCegarLoop]: === Iteration 11 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:25,419 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:25,419 INFO  L85        PathProgramCache]: Analyzing trace with hash -1162436315, now seen corresponding path program 1 times
[2025-05-07 17:28:25,419 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:25,419 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975837745]
[2025-05-07 17:28:25,419 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:25,419 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:25,446 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:28:25,458 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:28:25,458 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:25,458 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:25,723 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 17:28:25,723 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:25,723 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975837745]
[2025-05-07 17:28:25,723 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975837745] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:25,723 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:25,723 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2025-05-07 17:28:25,723 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333158480]
[2025-05-07 17:28:25,723 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:25,724 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2025-05-07 17:28:25,724 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:25,724 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2025-05-07 17:28:25,724 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272
[2025-05-07 17:28:25,724 INFO  L87              Difference]: Start difference. First operand 107 states and 113 transitions. Second operand  has 17 states, 15 states have (on average 2.6) internal successors, (39), 17 states have internal predecessors, (39), 4 states have call successors, (23), 1 states have call predecessors, (23), 15 states have return successors, (23), 16 states have call predecessors, (23), 4 states have call successors, (23)
[2025-05-07 17:28:25,917 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:25,918 INFO  L93              Difference]: Finished difference Result 101 states and 107 transitions.
[2025-05-07 17:28:25,918 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2025-05-07 17:28:25,918 INFO  L79                 Accepts]: Start accepts. Automaton has  has 17 states, 15 states have (on average 2.6) internal successors, (39), 17 states have internal predecessors, (39), 4 states have call successors, (23), 1 states have call predecessors, (23), 15 states have return successors, (23), 16 states have call predecessors, (23), 4 states have call successors, (23) Word has length 85
[2025-05-07 17:28:25,918 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:25,918 INFO  L225             Difference]: With dead ends: 101
[2025-05-07 17:28:25,918 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:25,919 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272
[2025-05-07 17:28:25,919 INFO  L437           NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:25,919 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1194 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-05-07 17:28:25,919 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:25,920 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:25,920 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:25,920 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:25,920 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85
[2025-05-07 17:28:25,920 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:25,920 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:25,920 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 15 states have (on average 2.6) internal successors, (39), 17 states have internal predecessors, (39), 4 states have call successors, (23), 1 states have call predecessors, (23), 15 states have return successors, (23), 16 states have call predecessors, (23), 4 states have call successors, (23)
[2025-05-07 17:28:25,920 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:25,920 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:25,922 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:25,923 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-05-07 17:28:25,925 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:25,926 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:25,929 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:25 BoogieIcfgContainer
[2025-05-07 17:28:25,929 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:25,929 INFO  L158              Benchmark]: Toolchain (without parser) took 4968.21ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 149.5MB in the beginning and 142.4MB in the end (delta: 7.1MB). Peak memory consumption was 47.0MB. Max. memory is 33.6GB.
[2025-05-07 17:28:25,929 INFO  L158              Benchmark]: SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.8MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:25,929 INFO  L158              Benchmark]: ChcToBoogie took 31.65ms. Allocated memory is still 234.9MB. Free memory was 149.5MB in the beginning and 146.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:25,930 INFO  L158              Benchmark]: Boogie Preprocessor took 78.76ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:25,930 INFO  L158              Benchmark]: RCFGBuilder took 416.10ms. Allocated memory is still 234.9MB. Free memory was 143.4MB in the beginning and 180.4MB in the end (delta: -37.1MB). Peak memory consumption was 43.3MB. Max. memory is 33.6GB.
[2025-05-07 17:28:25,930 INFO  L158              Benchmark]: TraceAbstraction took 4437.34ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 179.6MB in the beginning and 142.4MB in the end (delta: 37.2MB). Peak memory consumption was 87.6MB. Max. memory is 33.6GB.
[2025-05-07 17:28:25,931 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.8MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 31.65ms. Allocated memory is still 234.9MB. Free memory was 149.5MB in the beginning and 146.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 78.76ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 416.10ms. Allocated memory is still 234.9MB. Free memory was 143.4MB in the beginning and 180.4MB in the end (delta: -37.1MB). Peak memory consumption was 43.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 4437.34ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 179.6MB in the beginning and 142.4MB in the end (delta: 37.2MB). Peak memory consumption was 87.6MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 26 procedures, 103 locations, 152 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 8226 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7128 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 984 IncrementalHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1098 mSDtfsCounter, 984 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=7, InterpolantAutomatonStates: 100, 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, 11 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 851 NumberOfCodeBlocks, 851 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 1162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 17:28:25,942 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
