./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_assert_condition_2.sol_2_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:27:12,661 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:27:12,731 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8370e9-df1d-4f86-bae0-eda95da0a693/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:27:12,735 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:27:12,735 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:27:12,755 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:27:12,756 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:27:12,756 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:27:12,757 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:27:12,757 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:27:12,757 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:27:12,757 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:27:12,757 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:27:12,758 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:27:12,758 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:27:12,758 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:27:12,758 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:27:12,758 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:27:12,758 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:12,759 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:27:12,759 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:27:12,759 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:27:12,759 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:27:12,759 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:27:12,759 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:27:12,760 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:27:12,760 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:27:12,982 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:27:12,989 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:27:12,992 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:27:12,993 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:27:12,993 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:27:12,994 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8370e9-df1d-4f86-bae0-eda95da0a693/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_assert_condition_2.sol_2_no_adts_000.smt2
[2025-05-07 17:27:12,995 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:27:12,998 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:27:13,222 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8370e9-df1d-4f86-bae0-eda95da0a693/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_assert_condition_2.sol_2_no_adts_000.smt2
[2025-05-07 17:27:13,225 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:27:13,226 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:27:13,226 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:27:13,226 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:27:13,226 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:27:13,228 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,256 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13 Unit
[2025-05-07 17:27:13,256 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:27:13,257 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:27:13,257 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:27:13,257 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:27:13,268 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,268 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,288 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,289 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,292 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,293 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,295 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,296 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,297 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,307 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:27:13,308 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:27:13,308 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:27:13,308 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:27:13,308 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (1/1) ...
[2025-05-07 17:27:13,310 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:13,319 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:13,328 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 17:27:13,330 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 17:27:13,337 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:27:13,338 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:27:13,338 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:27:13,338 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_6_0 given in one single declaration
[2025-05-07 17:27:13,338 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_6_0
[2025-05-07 17:27:13,338 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_6_0
[2025-05-07 17:27:13,338 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__43_44_0 given in one single declaration
[2025-05-07 17:27:13,338 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__43_44_0
[2025-05-07 17:27:13,338 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__43_44_0
[2025-05-07 17:27:13,338 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_f__43_44_0 given in one single declaration
[2025-05-07 17:27:13,338 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_f__43_44_0
[2025-05-07 17:27:13,338 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_f__43_44_0
[2025-05-07 17:27:13,338 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__43_44_0 given in one single declaration
[2025-05-07 17:27:13,338 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__43_44_0
[2025-05-07 17:27:13,338 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__43_44_0
[2025-05-07 17:27:13,338 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__43_44_0 given in one single declaration
[2025-05-07 17:27:13,339 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__43_44_0
[2025-05-07 17:27:13,339 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__43_44_0
[2025-05-07 17:27:13,339 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_f_42_44_0 given in one single declaration
[2025-05-07 17:27:13,339 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_f_42_44_0
[2025-05-07 17:27:13,339 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_f_42_44_0
[2025-05-07 17:27:13,339 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_if_true_f_14_44_0 given in one single declaration
[2025-05-07 17:27:13,339 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_if_true_f_14_44_0
[2025-05-07 17:27:13,339 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_if_true_f_14_44_0
[2025-05-07 17:27:13,340 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_if_header_f_41_44_0 given in one single declaration
[2025-05-07 17:27:13,340 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_if_header_f_41_44_0
[2025-05-07 17:27:13,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_if_header_f_41_44_0
[2025-05-07 17:27:13,340 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_42_44_0 given in one single declaration
[2025-05-07 17:27:13,340 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_42_44_0
[2025-05-07 17:27:13,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_42_44_0
[2025-05-07 17:27:13,340 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__43_44_0 given in one single declaration
[2025-05-07 17:27:13,340 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__43_44_0
[2025-05-07 17:27:13,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__43_44_0
[2025-05-07 17:27:13,340 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_f_42_44_0 given in one single declaration
[2025-05-07 17:27:13,340 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_f_42_44_0
[2025-05-07 17:27:13,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_f_42_44_0
[2025-05-07 17:27:13,341 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_if_false_f_39_44_0 given in one single declaration
[2025-05-07 17:27:13,341 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_if_false_f_39_44_0
[2025-05-07 17:27:13,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_if_false_f_39_44_0
[2025-05-07 17:27:13,341 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_if_header_f_40_44_0 given in one single declaration
[2025-05-07 17:27:13,341 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_if_header_f_40_44_0
[2025-05-07 17:27:13,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_if_header_f_40_44_0
[2025-05-07 17:27:13,341 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_if_false_f_40_44_0 given in one single declaration
[2025-05-07 17:27:13,341 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_if_false_f_40_44_0
[2025-05-07 17:27:13,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_if_false_f_40_44_0
[2025-05-07 17:27:13,341 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_if_true_f_28_44_0 given in one single declaration
[2025-05-07 17:27:13,342 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_if_true_f_28_44_0
[2025-05-07 17:27:13,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_if_true_f_28_44_0
[2025-05-07 17:27:13,342 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__43_44_0 given in one single declaration
[2025-05-07 17:27:13,342 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__43_44_0
[2025-05-07 17:27:13,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__43_44_0
[2025-05-07 17:27:13,342 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_f__43_44_0 given in one single declaration
[2025-05-07 17:27:13,342 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_f__43_44_0
[2025-05-07 17:27:13,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_f__43_44_0
[2025-05-07 17:27:13,342 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_f__43_44_0 given in one single declaration
[2025-05-07 17:27:13,342 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_f__43_44_0
[2025-05-07 17:27:13,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_f__43_44_0
[2025-05-07 17:27:13,342 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_44_0 given in one single declaration
[2025-05-07 17:27:13,342 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_44_0
[2025-05-07 17:27:13,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_44_0
[2025-05-07 17:27:13,343 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_44_0 given in one single declaration
[2025-05-07 17:27:13,343 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_44_0
[2025-05-07 17:27:13,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_44_0
[2025-05-07 17:27:13,343 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_23_C_44_0 given in one single declaration
[2025-05-07 17:27:13,343 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_23_C_44_0
[2025-05-07 17:27:13,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_23_C_44_0
[2025-05-07 17:27:13,343 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_20_C_44_0 given in one single declaration
[2025-05-07 17:27:13,343 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_20_C_44_0
[2025-05-07 17:27:13,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_20_C_44_0
[2025-05-07 17:27:13,343 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_22_C_44_0 given in one single declaration
[2025-05-07 17:27:13,344 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_22_C_44_0
[2025-05-07 17:27:13,344 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_22_C_44_0
[2025-05-07 17:27:13,344 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_21_C_44_0 given in one single declaration
[2025-05-07 17:27:13,344 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_21_C_44_0
[2025-05-07 17:27:13,344 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_21_C_44_0
[2025-05-07 17:27:13,344 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:27:13,344 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:27:13,344 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:27:13,482 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:27:13,484 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:27:13,697 INFO  L?                        ?]: Removed 153 outVars from TransFormulas that were not future-live.
[2025-05-07 17:27:13,697 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:27:13,706 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:27:13,706 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-05-07 17:27:13,706 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:13 BoogieIcfgContainer
[2025-05-07 17:27:13,706 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:27:13,707 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:27:13,708 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:27:13,710 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:27:13,710 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:13" (1/3) ...
[2025-05-07 17:27:13,711 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1272b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:27:13, skipping insertion in model container
[2025-05-07 17:27:13,711 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:13" (2/3) ...
[2025-05-07 17:27:13,711 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1272b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:27:13, skipping insertion in model container
[2025-05-07 17:27:13,711 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:13" (3/3) ...
[2025-05-07 17:27:13,712 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:27:13,722 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:27:13,724 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 26 procedures, 101 locations, 150 edges, 26 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:27:13,752 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:27:13,760 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;@55bcc5b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:27:13,760 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:27:13,763 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 101 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 48 states have internal predecessors, (48), 31 states have call successors, (34), 25 states have call predecessors, (34), 25 states have return successors, (34), 27 states have call predecessors, (34), 31 states have call successors, (34)
[2025-05-07 17:27:13,769 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:27:13,769 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:13,770 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]
[2025-05-07 17:27:13,770 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:13,774 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:13,774 INFO  L85        PathProgramCache]: Analyzing trace with hash 1194260259, now seen corresponding path program 1 times
[2025-05-07 17:27:13,779 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:13,779 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981384580]
[2025-05-07 17:27:13,779 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:13,780 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:13,821 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:27:13,838 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:27:13,839 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:13,839 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:14,012 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 17:27:14,013 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:14,013 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981384580]
[2025-05-07 17:27:14,013 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981384580] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:14,014 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:14,015 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:27:14,016 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277073399]
[2025-05-07 17:27:14,017 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:14,020 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:27:14,020 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:14,047 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:27:14,047 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:27:14,048 INFO  L87              Difference]: Start difference. First operand  has 101 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 48 states have internal predecessors, (48), 31 states have call successors, (34), 25 states have call predecessors, (34), 25 states have return successors, (34), 27 states have call predecessors, (34), 31 states have call successors, (34) Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:27:14,087 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:14,087 INFO  L93              Difference]: Finished difference Result 103 states and 118 transitions.
[2025-05-07 17:27:14,088 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:27:14,089 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:27:14,089 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:14,099 INFO  L225             Difference]: With dead ends: 103
[2025-05-07 17:27:14,099 INFO  L226             Difference]: Without dead ends: 99
[2025-05-07 17:27:14,101 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 17:27:14,103 INFO  L437           NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 337 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 17:27:14,104 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:14,113 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2025-05-07 17:27:14,131 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97.
[2025-05-07 17:27:14,132 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 45 states have internal predecessors, (45), 29 states have call successors, (32), 25 states have call predecessors, (32), 25 states have return successors, (32), 26 states have call predecessors, (32), 29 states have call successors, (32)
[2025-05-07 17:27:14,135 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions.
[2025-05-07 17:27:14,136 INFO  L79                 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 59
[2025-05-07 17:27:14,137 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:14,137 INFO  L485      AbstractCegarLoop]: Abstraction has 97 states and 109 transitions.
[2025-05-07 17:27:14,137 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:27:14,137 INFO  L278                IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions.
[2025-05-07 17:27:14,139 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:27:14,140 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:14,140 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]
[2025-05-07 17:27:14,140 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:27:14,140 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:14,141 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:14,141 INFO  L85        PathProgramCache]: Analyzing trace with hash 169513767, now seen corresponding path program 1 times
[2025-05-07 17:27:14,141 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:14,141 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444603374]
[2025-05-07 17:27:14,141 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:14,141 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:14,172 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:27:14,199 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:27:14,199 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:14,200 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:14,324 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 17:27:14,324 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:14,324 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444603374]
[2025-05-07 17:27:14,324 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444603374] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:14,324 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:14,324 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:14,324 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122239298]
[2025-05-07 17:27:14,324 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:14,325 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:14,325 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:14,326 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:14,326 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:14,326 INFO  L87              Difference]: Start difference. First operand 97 states and 109 transitions. Second operand  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:27:14,369 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:14,369 INFO  L93              Difference]: Finished difference Result 102 states and 115 transitions.
[2025-05-07 17:27:14,370 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:14,370 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:27:14,370 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:14,371 INFO  L225             Difference]: With dead ends: 102
[2025-05-07 17:27:14,372 INFO  L226             Difference]: Without dead ends: 102
[2025-05-07 17:27:14,372 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 17:27:14,372 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:14,373 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 520 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:14,374 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2025-05-07 17:27:14,381 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2025-05-07 17:27:14,381 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 30 states have call successors, (33), 25 states have call predecessors, (33), 27 states have return successors, (35), 29 states have call predecessors, (35), 30 states have call successors, (35)
[2025-05-07 17:27:14,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 115 transitions.
[2025-05-07 17:27:14,383 INFO  L79                 Accepts]: Start accepts. Automaton has 102 states and 115 transitions. Word has length 59
[2025-05-07 17:27:14,384 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:14,384 INFO  L485      AbstractCegarLoop]: Abstraction has 102 states and 115 transitions.
[2025-05-07 17:27:14,384 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:27:14,384 INFO  L278                IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions.
[2025-05-07 17:27:14,386 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2025-05-07 17:27:14,386 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:14,386 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]
[2025-05-07 17:27:14,386 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:27:14,386 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:14,387 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:14,387 INFO  L85        PathProgramCache]: Analyzing trace with hash 1454535028, now seen corresponding path program 1 times
[2025-05-07 17:27:14,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:14,387 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463064047]
[2025-05-07 17:27:14,387 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:14,387 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:14,421 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes.
[2025-05-07 17:27:14,451 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements.
[2025-05-07 17:27:14,452 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:14,452 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:14,695 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 17:27:14,696 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:14,696 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463064047]
[2025-05-07 17:27:14,696 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463064047] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:14,696 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:14,697 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:27:14,697 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71678915]
[2025-05-07 17:27:14,697 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:14,697 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:27:14,697 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:14,698 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:27:14,698 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:27:14,698 INFO  L87              Difference]: Start difference. First operand 102 states and 115 transitions. Second operand  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 5 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 5 states have call successors, (17)
[2025-05-07 17:27:14,828 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:14,828 INFO  L93              Difference]: Finished difference Result 111 states and 125 transitions.
[2025-05-07 17:27:14,828 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:27:14,829 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 5 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 5 states have call successors, (17) Word has length 62
[2025-05-07 17:27:14,829 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:14,830 INFO  L225             Difference]: With dead ends: 111
[2025-05-07 17:27:14,830 INFO  L226             Difference]: Without dead ends: 111
[2025-05-07 17:27:14,830 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:27:14,831 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 2 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:14,831 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1037 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:14,832 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2025-05-07 17:27:14,836 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 106.
[2025-05-07 17:27:14,837 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 47 states have (on average 1.0425531914893618) internal successors, (49), 49 states have internal predecessors, (49), 30 states have call successors, (33), 25 states have call predecessors, (33), 29 states have return successors, (37), 31 states have call predecessors, (37), 30 states have call successors, (37)
[2025-05-07 17:27:14,837 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 119 transitions.
[2025-05-07 17:27:14,838 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 119 transitions. Word has length 62
[2025-05-07 17:27:14,838 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:14,838 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 119 transitions.
[2025-05-07 17:27:14,838 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 5 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 5 states have call successors, (17)
[2025-05-07 17:27:14,838 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions.
[2025-05-07 17:27:14,839 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-05-07 17:27:14,840 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:14,840 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:14,840 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:27:14,840 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:14,840 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:14,840 INFO  L85        PathProgramCache]: Analyzing trace with hash -796471309, now seen corresponding path program 1 times
[2025-05-07 17:27:14,841 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:14,841 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738326395]
[2025-05-07 17:27:14,841 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:14,841 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:14,870 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-05-07 17:27:14,885 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-05-07 17:27:14,885 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:14,885 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:15,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:27:15,301 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:15,301 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738326395]
[2025-05-07 17:27:15,301 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738326395] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:15,301 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:15,301 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:27:15,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514604345]
[2025-05-07 17:27:15,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:15,302 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:27:15,302 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:15,302 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:27:15,302 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:27:15,303 INFO  L87              Difference]: Start difference. First operand 106 states and 119 transitions. Second operand  has 7 states, 5 states have (on average 6.0) internal successors, (30), 7 states have internal predecessors, (30), 5 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:27:15,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:15,344 INFO  L93              Difference]: Finished difference Result 104 states and 116 transitions.
[2025-05-07 17:27:15,344 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:27:15,344 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 5 states have (on average 6.0) internal successors, (30), 7 states have internal predecessors, (30), 5 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 66
[2025-05-07 17:27:15,345 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:15,345 INFO  L225             Difference]: With dead ends: 104
[2025-05-07 17:27:15,345 INFO  L226             Difference]: Without dead ends: 102
[2025-05-07 17:27:15,346 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:27:15,346 INFO  L437           NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:15,346 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 497 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:15,347 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2025-05-07 17:27:15,350 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2025-05-07 17:27:15,351 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 29 states have call successors, (31), 24 states have call predecessors, (31), 28 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35)
[2025-05-07 17:27:15,351 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions.
[2025-05-07 17:27:15,351 INFO  L79                 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 66
[2025-05-07 17:27:15,352 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:15,352 INFO  L485      AbstractCegarLoop]: Abstraction has 102 states and 113 transitions.
[2025-05-07 17:27:15,352 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 5 states have (on average 6.0) internal successors, (30), 7 states have internal predecessors, (30), 5 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:27:15,352 INFO  L278                IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions.
[2025-05-07 17:27:15,353 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-05-07 17:27:15,353 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:15,353 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:15,353 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:27:15,353 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:15,354 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:15,354 INFO  L85        PathProgramCache]: Analyzing trace with hash -330038637, now seen corresponding path program 1 times
[2025-05-07 17:27:15,354 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:15,354 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946954696]
[2025-05-07 17:27:15,354 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:15,354 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:15,371 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-05-07 17:27:15,380 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-05-07 17:27:15,380 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:15,380 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:15,448 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 17:27:15,448 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:15,448 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946954696]
[2025-05-07 17:27:15,448 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946954696] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:15,448 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:15,448 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:15,448 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81593326]
[2025-05-07 17:27:15,448 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:15,449 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:15,449 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:15,449 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:15,449 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:15,450 INFO  L87              Difference]: Start difference. First operand 102 states and 113 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:27:15,476 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:15,476 INFO  L93              Difference]: Finished difference Result 107 states and 119 transitions.
[2025-05-07 17:27:15,477 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:15,477 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 66
[2025-05-07 17:27:15,477 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:15,478 INFO  L225             Difference]: With dead ends: 107
[2025-05-07 17:27:15,478 INFO  L226             Difference]: Without dead ends: 107
[2025-05-07 17:27:15,478 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 17:27:15,478 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:15,479 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 516 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:15,479 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2025-05-07 17:27:15,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102.
[2025-05-07 17:27:15,483 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 29 states have call successors, (31), 24 states have call predecessors, (31), 28 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35)
[2025-05-07 17:27:15,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions.
[2025-05-07 17:27:15,484 INFO  L79                 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 66
[2025-05-07 17:27:15,484 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:15,484 INFO  L485      AbstractCegarLoop]: Abstraction has 102 states and 113 transitions.
[2025-05-07 17:27:15,484 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:27:15,484 INFO  L278                IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions.
[2025-05-07 17:27:15,485 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2025-05-07 17:27:15,485 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:15,485 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]
[2025-05-07 17:27:15,486 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:27:15,486 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:15,486 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:15,486 INFO  L85        PathProgramCache]: Analyzing trace with hash -1354590402, now seen corresponding path program 1 times
[2025-05-07 17:27:15,486 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:15,486 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183865140]
[2025-05-07 17:27:15,486 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:15,486 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:15,508 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes.
[2025-05-07 17:27:15,519 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements.
[2025-05-07 17:27:15,520 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:15,520 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:15,754 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 17:27:15,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:15,754 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183865140]
[2025-05-07 17:27:15,754 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183865140] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:15,754 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:15,754 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-05-07 17:27:15,754 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176232215]
[2025-05-07 17:27:15,754 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:15,755 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-05-07 17:27:15,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:15,755 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-05-07 17:27:15,756 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:27:15,756 INFO  L87              Difference]: Start difference. First operand 102 states and 113 transitions. Second operand  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 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 17:27:15,912 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:15,913 INFO  L93              Difference]: Finished difference Result 113 states and 125 transitions.
[2025-05-07 17:27:15,913 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-05-07 17:27:15,913 INFO  L79                 Accepts]: Start accepts. Automaton has  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 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 72
[2025-05-07 17:27:15,913 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:15,914 INFO  L225             Difference]: With dead ends: 113
[2025-05-07 17:27:15,914 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:27:15,915 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2025-05-07 17:27:15,915 INFO  L437           NwaCegarLoop]: 102 mSDtfsCounter, 2 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:15,916 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1289 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:15,916 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:27:15,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104.
[2025-05-07 17:27:15,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 48 states have internal predecessors, (48), 29 states have call successors, (31), 24 states have call predecessors, (31), 29 states have return successors, (36), 31 states have call predecessors, (36), 29 states have call successors, (36)
[2025-05-07 17:27:15,923 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 115 transitions.
[2025-05-07 17:27:15,923 INFO  L79                 Accepts]: Start accepts. Automaton has 104 states and 115 transitions. Word has length 72
[2025-05-07 17:27:15,923 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:15,923 INFO  L485      AbstractCegarLoop]: Abstraction has 104 states and 115 transitions.
[2025-05-07 17:27:15,923 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 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 17:27:15,923 INFO  L278                IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions.
[2025-05-07 17:27:15,924 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2025-05-07 17:27:15,924 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:15,924 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]
[2025-05-07 17:27:15,925 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:27:15,925 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:15,925 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:15,925 INFO  L85        PathProgramCache]: Analyzing trace with hash -1896757381, now seen corresponding path program 1 times
[2025-05-07 17:27:15,925 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:15,925 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121133644]
[2025-05-07 17:27:15,925 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:15,925 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:15,951 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes.
[2025-05-07 17:27:15,967 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements.
[2025-05-07 17:27:15,967 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:15,967 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:16,189 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 17:27:16,189 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:16,189 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121133644]
[2025-05-07 17:27:16,189 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121133644] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:16,190 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:16,190 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-05-07 17:27:16,190 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111435050]
[2025-05-07 17:27:16,190 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:16,190 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-05-07 17:27:16,190 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:16,191 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-05-07 17:27:16,191 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:27:16,191 INFO  L87              Difference]: Start difference. First operand 104 states and 115 transitions. Second operand  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 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 17:27:16,349 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:16,349 INFO  L93              Difference]: Finished difference Result 98 states and 109 transitions.
[2025-05-07 17:27:16,349 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-05-07 17:27:16,349 INFO  L79                 Accepts]: Start accepts. Automaton has  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 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 72
[2025-05-07 17:27:16,350 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:16,350 INFO  L225             Difference]: With dead ends: 98
[2025-05-07 17:27:16,350 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:27:16,350 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2025-05-07 17:27:16,350 INFO  L437           NwaCegarLoop]: 93 mSDtfsCounter, 1 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:16,351 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1176 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:16,351 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:27:16,351 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:27:16,351 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 17:27:16,351 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:27:16,351 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72
[2025-05-07 17:27:16,351 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:16,351 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:27:16,352 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 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 17:27:16,352 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:27:16,352 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:27:16,353 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:27:16,354 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:27:16,356 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:16,358 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:27:16,360 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:27:16 BoogieIcfgContainer
[2025-05-07 17:27:16,360 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:27:16,361 INFO  L158              Benchmark]: Toolchain (without parser) took 3135.16ms. Allocated memory is still 234.9MB. Free memory was 151.4MB in the beginning and 179.9MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:16,361 INFO  L158              Benchmark]: SmtParser took 0.27ms. Allocated memory is still 234.9MB. Free memory is still 173.9MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:16,361 INFO  L158              Benchmark]: ChcToBoogie took 30.10ms. Allocated memory is still 234.9MB. Free memory was 151.3MB in the beginning and 148.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:16,361 INFO  L158              Benchmark]: Boogie Preprocessor took 50.65ms. Allocated memory is still 234.9MB. Free memory was 148.5MB in the beginning and 145.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:16,361 INFO  L158              Benchmark]: RCFGBuilder took 398.43ms. Allocated memory is still 234.9MB. Free memory was 145.2MB in the beginning and 185.1MB in the end (delta: -39.9MB). Peak memory consumption was 42.9MB. Max. memory is 33.6GB.
[2025-05-07 17:27:16,361 INFO  L158              Benchmark]: TraceAbstraction took 2652.81ms. Allocated memory is still 234.9MB. Free memory was 184.7MB in the beginning and 179.9MB in the end (delta: 4.8MB). Peak memory consumption was 1.3MB. Max. memory is 33.6GB.
[2025-05-07 17:27:16,362 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.27ms. Allocated memory is still 234.9MB. Free memory is still 173.9MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 30.10ms. Allocated memory is still 234.9MB. Free memory was 151.3MB in the beginning and 148.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 50.65ms. Allocated memory is still 234.9MB. Free memory was 148.5MB in the beginning and 145.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 398.43ms. Allocated memory is still 234.9MB. Free memory was 145.2MB in the beginning and 185.1MB in the end (delta: -39.9MB). Peak memory consumption was 42.9MB. Max. memory is 33.6GB.
 * TraceAbstraction took 2652.81ms. Allocated memory is still 234.9MB. Free memory was 184.7MB in the beginning and 179.9MB in the end (delta: 4.8MB). Peak memory consumption was 1.3MB. 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, 101 locations, 150 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 5372 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4642 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 730 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=3, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 456 NumberOfCodeBlocks, 456 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 449 ConstructedInterpolants, 0 QuantifiedInterpolants, 667 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 17:27:16,373 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
