./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_two_placeholders.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:24:58,725 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:24:58,761 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f19fe-8199-4e89-81ba-9128fbb4dbe3/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:24:58,764 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:24:58,764 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:24:58,777 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:24:58,777 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:24:58,777 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:24:58,778 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:24:58,778 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:24:58,778 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:24:58,778 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:24:58,778 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:24:58,778 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:24:58,778 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:24:58,778 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:24:58,778 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:24:58,779 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:24:58,779 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:24:58,779 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:24:58,779 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:24:58,779 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:24:58,779 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:24:58,779 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:24:58,779 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:24:58,780 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:24:58,780 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:24:58,972 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:24:58,980 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:24:58,982 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:24:58,983 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:24:58,984 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:24:58,985 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f19fe-8199-4e89-81ba-9128fbb4dbe3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_two_placeholders.sol_0_no_adts_000.smt2
[2025-05-07 17:24:58,986 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:24:58,989 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:24:59,275 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f19fe-8199-4e89-81ba-9128fbb4dbe3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_two_placeholders.sol_0_no_adts_000.smt2
[2025-05-07 17:24:59,279 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:24:59,280 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:24:59,281 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:24:59,281 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:24:59,281 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:24:59,283 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,322 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59 Unit
[2025-05-07 17:24:59,322 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:24:59,323 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:24:59,323 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:24:59,324 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:24:59,338 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,339 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,366 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,366 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,372 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,373 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,375 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,377 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,378 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,392 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:24:59,392 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:24:59,392 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:24:59,393 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:24:59,393 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (1/1) ...
[2025-05-07 17:24:59,396 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:24:59,409 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:24:59,419 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 17:24:59,422 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 17:24:59,430 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:24:59,430 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:24:59,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:24:59,430 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_7_0 given in one single declaration
[2025-05-07 17:24:59,430 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_7_0
[2025-05-07 17:24:59,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_7_0
[2025-05-07 17:24:59,430 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_60_0 given in one single declaration
[2025-05-07 17:24:59,430 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_60_0
[2025-05-07 17:24:59,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_60_0
[2025-05-07 17:24:59,430 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_60_0 given in one single declaration
[2025-05-07 17:24:59,431 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_60_0
[2025-05-07 17:24:59,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_60_0
[2025-05-07 17:24:59,431 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_23_C_60_0 given in one single declaration
[2025-05-07 17:24:59,431 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_23_C_60_0
[2025-05-07 17:24:59,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_23_C_60_0
[2025-05-07 17:24:59,431 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_20_C_60_0 given in one single declaration
[2025-05-07 17:24:59,431 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_20_C_60_0
[2025-05-07 17:24:59,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_20_C_60_0
[2025-05-07 17:24:59,431 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_22_C_60_0 given in one single declaration
[2025-05-07 17:24:59,431 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_22_C_60_0
[2025-05-07 17:24:59,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_22_C_60_0
[2025-05-07 17:24:59,431 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_21_C_60_0 given in one single declaration
[2025-05-07 17:24:59,432 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_21_C_60_0
[2025-05-07 17:24:59,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_21_C_60_0
[2025-05-07 17:24:59,432 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_6_function_g__59_60_0 given in one single declaration
[2025-05-07 17:24:59,432 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_6_function_g__59_60_0
[2025-05-07 17:24:59,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_6_function_g__59_60_0
[2025-05-07 17:24:59,432 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__59_60_0 given in one single declaration
[2025-05-07 17:24:59,432 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__59_60_0
[2025-05-07 17:24:59,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__59_60_0
[2025-05-07 17:24:59,432 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_return_function_g__59_60_0 given in one single declaration
[2025-05-07 17:24:59,432 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_return_function_g__59_60_0
[2025-05-07 17:24:59,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_return_function_g__59_60_0
[2025-05-07 17:24:59,432 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_g_58_60_0 given in one single declaration
[2025-05-07 17:24:59,432 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_g_58_60_0
[2025-05-07 17:24:59,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_g_58_60_0
[2025-05-07 17:24:59,432 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__59_60_0 given in one single declaration
[2025-05-07 17:24:59,433 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__59_60_0
[2025-05-07 17:24:59,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__59_60_0
[2025-05-07 17:24:59,433 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_g__59_60_0 given in one single declaration
[2025-05-07 17:24:59,433 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_g__59_60_0
[2025-05-07 17:24:59,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_g__59_60_0
[2025-05-07 17:24:59,433 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,433 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__49_60_0
[2025-05-07 17:24:59,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__49_60_0
[2025-05-07 17:24:59,433 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,433 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__49_60_0
[2025-05-07 17:24:59,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__49_60_0
[2025-05-07 17:24:59,433 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,433 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_return_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,434 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_return_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_return_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_return_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,434 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_return_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_return_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_f_48_60_0 given in one single declaration
[2025-05-07 17:24:59,434 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_f_48_60_0
[2025-05-07 17:24:59,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_f_48_60_0
[2025-05-07 17:24:59,434 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,434 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,434 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__49_60_0
[2025-05-07 17:24:59,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__49_60_0
[2025-05-07 17:24:59,435 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_return_f_37_60_0 given in one single declaration
[2025-05-07 17:24:59,435 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_return_f_37_60_0
[2025-05-07 17:24:59,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_return_f_37_60_0
[2025-05-07 17:24:59,435 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,435 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__49_60_0
[2025-05-07 17:24:59,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__49_60_0
[2025-05-07 17:24:59,435 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__49_60_0 given in one single declaration
[2025-05-07 17:24:59,435 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__49_60_0
[2025-05-07 17:24:59,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__49_60_0
[2025-05-07 17:24:59,435 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:24:59,435 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:24:59,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:24:59,565 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:24:59,566 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:24:59,780 INFO  L?                        ?]: Removed 204 outVars from TransFormulas that were not future-live.
[2025-05-07 17:24:59,780 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:24:59,788 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:24:59,788 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-05-07 17:24:59,788 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:24:59 BoogieIcfgContainer
[2025-05-07 17:24:59,789 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:24:59,790 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:24:59,790 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:24:59,792 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:24:59,793 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:24:59" (1/3) ...
[2025-05-07 17:24:59,793 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d27d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:24:59, skipping insertion in model container
[2025-05-07 17:24:59,793 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:59" (2/3) ...
[2025-05-07 17:24:59,793 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d27d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:24:59, skipping insertion in model container
[2025-05-07 17:24:59,793 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:24:59" (3/3) ...
[2025-05-07 17:24:59,794 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:24:59,804 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:24:59,806 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 26 procedures, 100 locations, 146 edges, 26 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:24:59,833 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:24:59,841 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;@7ae0b2bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:24:59,841 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:24:59,844 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 100 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 47 states have internal predecessors, (47), 30 states have call successors, (33), 25 states have call predecessors, (33), 25 states have return successors, (33), 27 states have call predecessors, (33), 30 states have call successors, (33)
[2025-05-07 17:24:59,850 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2025-05-07 17:24:59,851 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:59,851 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]
[2025-05-07 17:24:59,851 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:59,854 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:59,855 INFO  L85        PathProgramCache]: Analyzing trace with hash -2064858026, now seen corresponding path program 1 times
[2025-05-07 17:24:59,860 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:59,860 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593631166]
[2025-05-07 17:24:59,860 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:59,860 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:59,903 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes.
[2025-05-07 17:24:59,952 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements.
[2025-05-07 17:24:59,953 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:59,953 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:00,195 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 17:25:00,196 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:00,196 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593631166]
[2025-05-07 17:25:00,197 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593631166] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:00,197 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:00,200 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:25:00,201 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194897643]
[2025-05-07 17:25:00,202 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:00,206 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:25:00,206 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:00,235 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:25:00,236 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:25:00,238 INFO  L87              Difference]: Start difference. First operand  has 100 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 47 states have internal predecessors, (47), 30 states have call successors, (33), 25 states have call predecessors, (33), 25 states have return successors, (33), 27 states have call predecessors, (33), 30 states have call successors, (33) Second operand  has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (15), 1 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15)
[2025-05-07 17:25:00,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:00,306 INFO  L93              Difference]: Finished difference Result 102 states and 116 transitions.
[2025-05-07 17:25:00,307 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:25:00,309 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (15), 1 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 55
[2025-05-07 17:25:00,309 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:00,317 INFO  L225             Difference]: With dead ends: 102
[2025-05-07 17:25:00,317 INFO  L226             Difference]: Without dead ends: 98
[2025-05-07 17:25:00,319 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 17:25:00,322 INFO  L437           NwaCegarLoop]: 109 mSDtfsCounter, 1 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:00,323 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 423 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:00,336 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2025-05-07 17:25:00,359 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96.
[2025-05-07 17:25:00,360 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 44 states have internal predecessors, (44), 28 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 26 states have call predecessors, (31), 28 states have call successors, (31)
[2025-05-07 17:25:00,364 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions.
[2025-05-07 17:25:00,365 INFO  L79                 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 55
[2025-05-07 17:25:00,366 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:00,366 INFO  L485      AbstractCegarLoop]: Abstraction has 96 states and 106 transitions.
[2025-05-07 17:25:00,366 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (15), 1 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15)
[2025-05-07 17:25:00,366 INFO  L278                IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions.
[2025-05-07 17:25:00,368 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2025-05-07 17:25:00,368 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:00,368 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]
[2025-05-07 17:25:00,368 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:25:00,368 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:00,369 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:00,369 INFO  L85        PathProgramCache]: Analyzing trace with hash 1500978906, now seen corresponding path program 1 times
[2025-05-07 17:25:00,369 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:00,369 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379565505]
[2025-05-07 17:25:00,369 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:00,369 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:00,402 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes.
[2025-05-07 17:25:00,422 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements.
[2025-05-07 17:25:00,422 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:00,422 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:00,522 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 17:25:00,522 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:00,523 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379565505]
[2025-05-07 17:25:00,523 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379565505] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:00,523 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:00,523 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:00,523 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305169932]
[2025-05-07 17:25:00,523 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:00,524 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:00,524 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:00,525 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:00,525 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:00,525 INFO  L87              Difference]: Start difference. First operand 96 states and 106 transitions. Second operand  has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (15), 1 states have call predecessors, (15), 5 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15)
[2025-05-07 17:25:00,566 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:00,567 INFO  L93              Difference]: Finished difference Result 100 states and 110 transitions.
[2025-05-07 17:25:00,567 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:00,567 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (15), 1 states have call predecessors, (15), 5 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 55
[2025-05-07 17:25:00,567 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:00,568 INFO  L225             Difference]: With dead ends: 100
[2025-05-07 17:25:00,568 INFO  L226             Difference]: Without dead ends: 100
[2025-05-07 17:25:00,568 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 17:25:00,569 INFO  L437           NwaCegarLoop]: 104 mSDtfsCounter, 1 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 510 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 17:25:00,569 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 510 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:00,569 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2025-05-07 17:25:00,574 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2025-05-07 17:25:00,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 44 states have (on average 1.0454545454545454) internal successors, (46), 46 states have internal predecessors, (46), 28 states have call successors, (31), 25 states have call predecessors, (31), 27 states have return successors, (33), 28 states have call predecessors, (33), 28 states have call successors, (33)
[2025-05-07 17:25:00,575 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions.
[2025-05-07 17:25:00,575 INFO  L79                 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 55
[2025-05-07 17:25:00,575 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:00,575 INFO  L485      AbstractCegarLoop]: Abstraction has 100 states and 110 transitions.
[2025-05-07 17:25:00,576 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (15), 1 states have call predecessors, (15), 5 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15)
[2025-05-07 17:25:00,576 INFO  L278                IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions.
[2025-05-07 17:25:00,577 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:25:00,577 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:00,577 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 17:25:00,577 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:25:00,577 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:00,577 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:00,577 INFO  L85        PathProgramCache]: Analyzing trace with hash -1387032227, now seen corresponding path program 1 times
[2025-05-07 17:25:00,577 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:00,577 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410307274]
[2025-05-07 17:25:00,577 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:00,577 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:00,596 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:25:00,610 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:25:00,610 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:00,610 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:00,833 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 17:25:00,834 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:00,834 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410307274]
[2025-05-07 17:25:00,834 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410307274] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:00,834 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:00,834 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:00,834 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001950926]
[2025-05-07 17:25:00,834 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:00,834 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:00,834 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:00,835 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:00,835 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:00,835 INFO  L87              Difference]: Start difference. First operand 100 states and 110 transitions. Second operand  has 6 states, 4 states have (on average 6.75) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 5 states have call successors, (16)
[2025-05-07 17:25:00,905 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:00,905 INFO  L93              Difference]: Finished difference Result 98 states and 107 transitions.
[2025-05-07 17:25:00,906 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:00,906 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 4 states have (on average 6.75) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 5 states have call successors, (16) Word has length 59
[2025-05-07 17:25:00,906 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:00,907 INFO  L225             Difference]: With dead ends: 98
[2025-05-07 17:25:00,907 INFO  L226             Difference]: Without dead ends: 96
[2025-05-07 17:25:00,907 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:25:00,908 INFO  L437           NwaCegarLoop]: 99 mSDtfsCounter, 1 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:00,908 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 478 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:00,909 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2025-05-07 17:25:00,912 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96.
[2025-05-07 17:25:00,913 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 44 states have internal predecessors, (44), 27 states have call successors, (29), 24 states have call predecessors, (29), 26 states have return successors, (31), 27 states have call predecessors, (31), 27 states have call successors, (31)
[2025-05-07 17:25:00,913 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions.
[2025-05-07 17:25:00,913 INFO  L79                 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 59
[2025-05-07 17:25:00,914 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:00,914 INFO  L485      AbstractCegarLoop]: Abstraction has 96 states and 104 transitions.
[2025-05-07 17:25:00,914 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 4 states have (on average 6.75) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 5 states have call successors, (16)
[2025-05-07 17:25:00,914 INFO  L278                IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions.
[2025-05-07 17:25:00,915 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:25:00,915 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:00,915 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 17:25:00,915 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:25:00,915 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:00,915 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:00,915 INFO  L85        PathProgramCache]: Analyzing trace with hash -127792341, now seen corresponding path program 1 times
[2025-05-07 17:25:00,915 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:00,916 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703487446]
[2025-05-07 17:25:00,916 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:00,916 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:00,940 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:25:00,950 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:25:00,950 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:00,950 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:01,155 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 17:25:01,155 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:01,155 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703487446]
[2025-05-07 17:25:01,156 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703487446] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:01,156 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:01,156 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2025-05-07 17:25:01,156 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667080942]
[2025-05-07 17:25:01,156 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:01,156 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2025-05-07 17:25:01,156 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:01,156 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2025-05-07 17:25:01,157 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:25:01,157 INFO  L87              Difference]: Start difference. First operand 96 states and 104 transitions. Second operand  has 12 states, 8 states have (on average 3.375) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 9 states have call predecessors, (16), 7 states have call successors, (16)
[2025-05-07 17:25:01,301 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:01,301 INFO  L93              Difference]: Finished difference Result 100 states and 108 transitions.
[2025-05-07 17:25:01,302 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2025-05-07 17:25:01,302 INFO  L79                 Accepts]: Start accepts. Automaton has  has 12 states, 8 states have (on average 3.375) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 9 states have call predecessors, (16), 7 states have call successors, (16) Word has length 59
[2025-05-07 17:25:01,302 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:01,303 INFO  L225             Difference]: With dead ends: 100
[2025-05-07 17:25:01,303 INFO  L226             Difference]: Without dead ends: 100
[2025-05-07 17:25:01,304 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:25:01,304 INFO  L437           NwaCegarLoop]: 94 mSDtfsCounter, 4 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:01,304 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 908 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:25:01,305 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2025-05-07 17:25:01,308 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96.
[2025-05-07 17:25:01,308 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 44 states have internal predecessors, (44), 27 states have call successors, (29), 24 states have call predecessors, (29), 26 states have return successors, (31), 27 states have call predecessors, (31), 27 states have call successors, (31)
[2025-05-07 17:25:01,309 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions.
[2025-05-07 17:25:01,309 INFO  L79                 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 59
[2025-05-07 17:25:01,309 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:01,309 INFO  L485      AbstractCegarLoop]: Abstraction has 96 states and 104 transitions.
[2025-05-07 17:25:01,310 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 8 states have (on average 3.375) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 9 states have call predecessors, (16), 7 states have call successors, (16)
[2025-05-07 17:25:01,310 INFO  L278                IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions.
[2025-05-07 17:25:01,311 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:25:01,311 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:01,311 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 17:25:01,311 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:25:01,311 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:01,312 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:01,312 INFO  L85        PathProgramCache]: Analyzing trace with hash -1357881529, now seen corresponding path program 1 times
[2025-05-07 17:25:01,312 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:01,312 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130911676]
[2025-05-07 17:25:01,312 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:01,312 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:01,334 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:25:01,343 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:25:01,343 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:01,343 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:01,407 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 17:25:01,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:01,407 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130911676]
[2025-05-07 17:25:01,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130911676] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:01,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:01,407 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:01,407 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112406895]
[2025-05-07 17:25:01,407 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:01,408 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:01,408 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:01,408 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:01,408 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:01,409 INFO  L87              Difference]: Start difference. First operand 96 states and 104 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), 5 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:25:01,428 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:01,428 INFO  L93              Difference]: Finished difference Result 44 states and 46 transitions.
[2025-05-07 17:25:01,429 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:01,429 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), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:25:01,429 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:01,429 INFO  L225             Difference]: With dead ends: 44
[2025-05-07 17:25:01,429 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:25:01,430 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 17:25:01,430 INFO  L437           NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:01,430 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:01,431 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:25:01,431 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:25:01,431 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 17:25:01,431 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:25:01,431 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59
[2025-05-07 17:25:01,431 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:01,432 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:25:01,432 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), 5 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:25:01,432 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:25:01,432 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:25:01,434 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:25:01,434 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:25:01,437 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:25:01,438 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:25:01,441 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:25:01 BoogieIcfgContainer
[2025-05-07 17:25:01,441 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:25:01,442 INFO  L158              Benchmark]: Toolchain (without parser) took 2161.99ms. Allocated memory is still 234.9MB. Free memory was 149.7MB in the beginning and 145.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:01,442 INFO  L158              Benchmark]: SmtParser took 0.25ms. Allocated memory is still 234.9MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:01,442 INFO  L158              Benchmark]: ChcToBoogie took 42.32ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 146.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:01,442 INFO  L158              Benchmark]: Boogie Preprocessor took 68.40ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:01,442 INFO  L158              Benchmark]: RCFGBuilder took 396.19ms. Allocated memory is still 234.9MB. Free memory was 143.4MB in the beginning and 178.9MB in the end (delta: -35.6MB). Peak memory consumption was 43.7MB. Max. memory is 33.6GB.
[2025-05-07 17:25:01,443 INFO  L158              Benchmark]: TraceAbstraction took 1651.08ms. Allocated memory is still 234.9MB. Free memory was 178.5MB in the beginning and 145.4MB in the end (delta: 33.1MB). Peak memory consumption was 34.1MB. Max. memory is 33.6GB.
[2025-05-07 17:25:01,443 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.25ms. Allocated memory is still 234.9MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 42.32ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 146.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 68.40ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 396.19ms. Allocated memory is still 234.9MB. Free memory was 143.4MB in the beginning and 178.9MB in the end (delta: -35.6MB). Peak memory consumption was 43.7MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1651.08ms. Allocated memory is still 234.9MB. Free memory was 178.5MB in the beginning and 145.4MB in the end (delta: 33.1MB). Peak memory consumption was 34.1MB. 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, 100 locations, 146 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 2530 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2080 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 450 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 17:25:01,456 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
