./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/functions_1.sol_2_no_adts_000.smt2 .


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


This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:27:09,142 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:27:09,179 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ec18bb-b7ac-4500-94ed-d4c3e5ea9b65/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:27:09,183 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:27:09,183 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:27:09,196 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:27:09,196 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:27:09,196 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:27:09,196 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:27:09,196 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:27:09,197 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:27:09,197 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:27:09,197 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:09,197 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:27:09,197 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:27:09,198 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:27:09,198 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:27:09,198 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:27:09,382 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:27:09,388 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:27:09,390 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:27:09,391 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:27:09,391 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:27:09,392 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ec18bb-b7ac-4500-94ed-d4c3e5ea9b65/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/functions_1.sol_2_no_adts_000.smt2
[2025-05-07 17:27:09,393 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:27:09,396 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:27:09,646 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ec18bb-b7ac-4500-94ed-d4c3e5ea9b65/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/functions_1.sol_2_no_adts_000.smt2
[2025-05-07 17:27:09,649 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:27:09,650 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:27:09,651 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:27:09,651 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:27:09,651 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:27:09,653 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,687 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09 Unit
[2025-05-07 17:27:09,687 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:27:09,688 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:27:09,688 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:27:09,688 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:27:09,703 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,703 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,731 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,731 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,735 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,736 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,737 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,738 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,739 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,749 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:27:09,749 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:27:09,749 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:27:09,749 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:27:09,750 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (1/1) ...
[2025-05-07 17:27:09,752 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:09,760 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:09,768 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 17:27:09,771 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 17:27:09,778 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:27:09,778 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:27:09,778 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:27:09,778 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_12_0 given in one single declaration
[2025-05-07 17:27:09,778 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_12_0
[2025-05-07 17:27:09,778 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_12_0
[2025-05-07 17:27:09,778 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__12_23_0 given in one single declaration
[2025-05-07 17:27:09,779 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__12_23_0
[2025-05-07 17:27:09,779 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__12_23_0
[2025-05-07 17:27:09,779 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_f__12_23_0 given in one single declaration
[2025-05-07 17:27:09,779 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_f__12_23_0
[2025-05-07 17:27:09,779 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_f__12_23_0
[2025-05-07 17:27:09,779 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__12_23_0 given in one single declaration
[2025-05-07 17:27:09,779 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__12_23_0
[2025-05-07 17:27:09,779 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__12_23_0
[2025-05-07 17:27:09,779 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_return_function_f__12_23_0 given in one single declaration
[2025-05-07 17:27:09,780 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_return_function_f__12_23_0
[2025-05-07 17:27:09,780 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_return_function_f__12_23_0
[2025-05-07 17:27:09,780 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_f_11_23_0 given in one single declaration
[2025-05-07 17:27:09,780 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_f_11_23_0
[2025-05-07 17:27:09,780 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_f_11_23_0
[2025-05-07 17:27:09,780 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__12_23_0 given in one single declaration
[2025-05-07 17:27:09,780 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__12_23_0
[2025-05-07 17:27:09,780 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__12_23_0
[2025-05-07 17:27:09,780 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_f__12_23_0 given in one single declaration
[2025-05-07 17:27:09,780 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_f__12_23_0
[2025-05-07 17:27:09,780 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_f__12_23_0
[2025-05-07 17:27:09,780 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_A_23_0 given in one single declaration
[2025-05-07 17:27:09,781 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_A_23_0
[2025-05-07 17:27:09,781 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_A_23_0
[2025-05-07 17:27:09,781 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_A_23_0 given in one single declaration
[2025-05-07 17:27:09,781 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_A_23_0
[2025-05-07 17:27:09,781 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_A_23_0
[2025-05-07 17:27:09,781 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_28_A_23_0 given in one single declaration
[2025-05-07 17:27:09,781 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_28_A_23_0
[2025-05-07 17:27:09,781 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_28_A_23_0
[2025-05-07 17:27:09,781 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_25_A_23_0 given in one single declaration
[2025-05-07 17:27:09,781 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_25_A_23_0
[2025-05-07 17:27:09,781 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_25_A_23_0
[2025-05-07 17:27:09,781 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_27_A_23_0 given in one single declaration
[2025-05-07 17:27:09,781 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_27_A_23_0
[2025-05-07 17:27:09,781 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_27_A_23_0
[2025-05-07 17:27:09,781 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_26_A_23_0 given in one single declaration
[2025-05-07 17:27:09,781 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_26_A_23_0
[2025-05-07 17:27:09,781 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_26_A_23_0
[2025-05-07 17:27:09,781 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_6_function_g__22_23_0 given in one single declaration
[2025-05-07 17:27:09,781 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_6_function_g__22_23_0
[2025-05-07 17:27:09,781 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_6_function_g__22_23_0
[2025-05-07 17:27:09,781 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__22_23_0 given in one single declaration
[2025-05-07 17:27:09,782 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_return_function_g__22_23_0 given in one single declaration
[2025-05-07 17:27:09,782 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_return_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_return_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_g_21_23_0 given in one single declaration
[2025-05-07 17:27:09,782 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_g_21_23_0
[2025-05-07 17:27:09,782 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_g_21_23_0
[2025-05-07 17:27:09,782 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_function_g__22_23_0 given in one single declaration
[2025-05-07 17:27:09,782 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_g__22_23_0 given in one single declaration
[2025-05-07 17:27:09,782 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_function_g__22_23_0 given in one single declaration
[2025-05-07 17:27:09,782 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_function_g__22_23_0
[2025-05-07 17:27:09,782 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:27:09,782 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:27:09,783 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:27:09,897 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:27:09,900 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:27:10,093 INFO  L?                        ?]: Removed 170 outVars from TransFormulas that were not future-live.
[2025-05-07 17:27:10,093 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:27:10,101 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:27:10,101 INFO  L312             CfgBuilder]: Removed 11 assume(true) statements.
[2025-05-07 17:27:10,101 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:10 BoogieIcfgContainer
[2025-05-07 17:27:10,101 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:27:10,103 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:27:10,103 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:27:10,105 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:27:10,105 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:09" (1/3) ...
[2025-05-07 17:27:10,106 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170ad67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:27:10, skipping insertion in model container
[2025-05-07 17:27:10,106 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:09" (2/3) ...
[2025-05-07 17:27:10,106 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170ad67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:27:10, skipping insertion in model container
[2025-05-07 17:27:10,106 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:10" (3/3) ...
[2025-05-07 17:27:10,107 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:27:10,117 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:27:10,119 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 23 procedures, 88 locations, 128 edges, 23 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:27:10,148 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:27:10,160 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;@502fd1e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:27:10,160 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:27:10,164 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 88 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 41 states have internal predecessors, (41), 27 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 24 states have call predecessors, (29), 27 states have call successors, (29)
[2025-05-07 17:27:10,173 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:27:10,174 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:10,174 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]
[2025-05-07 17:27:10,175 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:10,178 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:10,178 INFO  L85        PathProgramCache]: Analyzing trace with hash -203062628, now seen corresponding path program 1 times
[2025-05-07 17:27:10,183 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:10,184 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914071604]
[2025-05-07 17:27:10,184 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:10,184 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:10,230 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:27:10,283 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:27:10,283 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:10,283 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:10,462 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 17:27:10,462 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:10,463 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914071604]
[2025-05-07 17:27:10,463 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914071604] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:10,463 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:10,466 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:10,467 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474939385]
[2025-05-07 17:27:10,468 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:10,471 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:10,472 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:10,490 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:10,490 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:10,492 INFO  L87              Difference]: Start difference. First operand  has 88 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 41 states have internal predecessors, (41), 27 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 24 states have call predecessors, (29), 27 states have call successors, (29) Second operand  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:27:10,573 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:10,574 INFO  L93              Difference]: Finished difference Result 91 states and 103 transitions.
[2025-05-07 17:27:10,575 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:10,576 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:27:10,577 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:10,587 INFO  L225             Difference]: With dead ends: 91
[2025-05-07 17:27:10,587 INFO  L226             Difference]: Without dead ends: 91
[2025-05-07 17:27:10,589 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 17:27:10,591 INFO  L437           NwaCegarLoop]: 99 mSDtfsCounter, 1 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 481 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 17:27:10,592 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 481 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:10,603 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2025-05-07 17:27:10,628 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2025-05-07 17:27:10,630 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 41 states have internal predecessors, (41), 28 states have call successors, (30), 22 states have call predecessors, (30), 24 states have return successors, (32), 27 states have call predecessors, (32), 28 states have call successors, (32)
[2025-05-07 17:27:10,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions.
[2025-05-07 17:27:10,636 INFO  L79                 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 51
[2025-05-07 17:27:10,637 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:10,637 INFO  L485      AbstractCegarLoop]: Abstraction has 91 states and 103 transitions.
[2025-05-07 17:27:10,637 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:27:10,637 INFO  L278                IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions.
[2025-05-07 17:27:10,639 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:27:10,640 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:10,640 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]
[2025-05-07 17:27:10,640 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:27:10,640 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:10,641 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:10,641 INFO  L85        PathProgramCache]: Analyzing trace with hash 1248668286, now seen corresponding path program 1 times
[2025-05-07 17:27:10,641 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:10,641 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654512969]
[2025-05-07 17:27:10,641 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:10,641 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:10,674 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:27:10,700 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:27:10,700 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:10,700 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:10,874 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 17:27:10,874 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:10,874 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654512969]
[2025-05-07 17:27:10,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654512969] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:10,875 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:10,875 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:27:10,875 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600538042]
[2025-05-07 17:27:10,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:10,875 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:27:10,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:10,876 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:27:10,876 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:27:10,876 INFO  L87              Difference]: Start difference. First operand 91 states and 103 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:27:10,946 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:10,946 INFO  L93              Difference]: Finished difference Result 85 states and 97 transitions.
[2025-05-07 17:27:10,946 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:10,946 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:27:10,947 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:10,947 INFO  L225             Difference]: With dead ends: 85
[2025-05-07 17:27:10,947 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:27:10,947 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:27:10,947 INFO  L437           NwaCegarLoop]: 86 mSDtfsCounter, 1 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:10,948 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 587 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:10,948 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:27:10,948 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:27:10,948 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 17:27:10,948 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:27:10,948 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:27:10,948 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:10,948 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:27:10,948 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:27:10,949 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:27:10,949 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:27:10,950 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:27:10,951 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:27:10,953 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2025-05-07 17:27:10,954 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:27:10,957 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:27:10 BoogieIcfgContainer
[2025-05-07 17:27:10,957 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:27:10,957 INFO  L158              Benchmark]: Toolchain (without parser) took 1307.48ms. Allocated memory is still 234.9MB. Free memory was 147.0MB in the beginning and 139.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.8MB. Max. memory is 33.6GB.
[2025-05-07 17:27:10,957 INFO  L158              Benchmark]: SmtParser took 0.26ms. Allocated memory is still 234.9MB. Free memory is still 168.1MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:10,958 INFO  L158              Benchmark]: ChcToBoogie took 36.83ms. Allocated memory is still 234.9MB. Free memory was 147.0MB in the beginning and 144.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:10,958 INFO  L158              Benchmark]: Boogie Preprocessor took 60.83ms. Allocated memory is still 234.9MB. Free memory was 144.5MB in the beginning and 141.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:10,958 INFO  L158              Benchmark]: RCFGBuilder took 352.15ms. Allocated memory is still 234.9MB. Free memory was 141.4MB in the beginning and 169.7MB in the end (delta: -28.4MB). Peak memory consumption was 23.9MB. Max. memory is 33.6GB.
[2025-05-07 17:27:10,958 INFO  L158              Benchmark]: TraceAbstraction took 854.08ms. Allocated memory is still 234.9MB. Free memory was 169.2MB in the beginning and 139.0MB in the end (delta: 30.2MB). Peak memory consumption was 18.5MB. Max. memory is 33.6GB.
[2025-05-07 17:27:10,959 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.26ms. Allocated memory is still 234.9MB. Free memory is still 168.1MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 36.83ms. Allocated memory is still 234.9MB. Free memory was 147.0MB in the beginning and 144.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 60.83ms. Allocated memory is still 234.9MB. Free memory was 144.5MB in the beginning and 141.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 352.15ms. Allocated memory is still 234.9MB. Free memory was 141.4MB in the beginning and 169.7MB in the end (delta: -28.4MB). Peak memory consumption was 23.9MB. Max. memory is 33.6GB.
 * TraceAbstraction took 854.08ms. Allocated memory is still 234.9MB. Free memory was 169.2MB in the beginning and 139.0MB in the end (delta: 30.2MB). Peak memory consumption was 18.5MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 23 procedures, 88 locations, 128 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 1068 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 883 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 185 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=1, InterpolantAutomatonStates: 14, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 17:27:10,968 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
