./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/short_circuit_and.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:27:34,105 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:27:34,141 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3993f803-1544-4192-bfdc-e843acc729dc/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:27:34,144 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:27:34,144 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:27:34,157 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:27:34,157 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:27:34,157 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:27:34,158 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:27:34,158 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:27:34,158 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:27:34,158 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:27:34,158 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:27:34,158 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:27:34,158 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:27:34,158 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:27:34,158 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:27:34,158 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:27:34,158 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:34,158 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:27:34,159 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:27:34,159 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:27:34,159 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:27:34,159 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:27:34,159 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:27:34,159 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:27:34,159 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:27:34,349 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:27:34,357 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:27:34,359 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:27:34,360 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:27:34,360 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:27:34,361 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3993f803-1544-4192-bfdc-e843acc729dc/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/short_circuit_and.sol_0_no_adts_000.smt2
[2025-05-07 17:27:34,362 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:27:34,364 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:27:34,644 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3993f803-1544-4192-bfdc-e843acc729dc/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/short_circuit_and.sol_0_no_adts_000.smt2
[2025-05-07 17:27:34,647 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:27:34,649 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:27:34,649 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:27:34,649 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:27:34,650 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:27:34,652 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,688 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34 Unit
[2025-05-07 17:27:34,688 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:27:34,688 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:27:34,689 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:27:34,689 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:27:34,699 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,700 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,720 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,720 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,724 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,725 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,726 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,728 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,729 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,739 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:27:34,740 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:27:34,740 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:27:34,740 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:27:34,741 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (1/1) ...
[2025-05-07 17:27:34,742 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:34,751 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:34,759 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 17:27:34,762 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 17:27:34,769 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:27:34,769 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:27:34,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:27:34,769 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_5_0 given in one single declaration
[2025-05-07 17:27:34,769 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_5_0
[2025-05-07 17:27:34,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_5_0
[2025-05-07 17:27:34,769 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_c_54_0 given in one single declaration
[2025-05-07 17:27:34,769 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_c_54_0
[2025-05-07 17:27:34,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_c_54_0
[2025-05-07 17:27:34,769 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_c_54_0 given in one single declaration
[2025-05-07 17:27:34,769 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_c_54_0
[2025-05-07 17:27:34,769 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_c_54_0
[2025-05-07 17:27:34,769 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_19_c_54_0 given in one single declaration
[2025-05-07 17:27:34,769 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_19_c_54_0
[2025-05-07 17:27:34,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_19_c_54_0
[2025-05-07 17:27:34,770 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_21_c_54_0 given in one single declaration
[2025-05-07 17:27:34,770 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_21_c_54_0
[2025-05-07 17:27:34,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_21_c_54_0
[2025-05-07 17:27:34,770 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_20_c_54_0 given in one single declaration
[2025-05-07 17:27:34,770 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_20_c_54_0
[2025-05-07 17:27:34,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_20_c_54_0
[2025-05-07 17:27:34,770 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_22_c_54_0 given in one single declaration
[2025-05-07 17:27:34,770 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_22_c_54_0
[2025-05-07 17:27:34,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_22_c_54_0
[2025-05-07 17:27:34,770 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__53_54_0 given in one single declaration
[2025-05-07 17:27:34,770 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__53_54_0
[2025-05-07 17:27:34,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__53_54_0
[2025-05-07 17:27:34,770 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_g__53_54_0 given in one single declaration
[2025-05-07 17:27:34,770 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_g__53_54_0
[2025-05-07 17:27:34,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_g__53_54_0
[2025-05-07 17:27:34,770 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__53_54_0 given in one single declaration
[2025-05-07 17:27:34,770 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__53_54_0
[2025-05-07 17:27:34,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__53_54_0
[2025-05-07 17:27:34,771 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_14_function_f__16_54_0 given in one single declaration
[2025-05-07 17:27:34,771 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_14_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_14_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__16_54_0 given in one single declaration
[2025-05-07 17:27:34,771 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_function_f__16_54_0 given in one single declaration
[2025-05-07 17:27:34,771 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_f_15_54_0 given in one single declaration
[2025-05-07 17:27:34,771 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_f_15_54_0
[2025-05-07 17:27:34,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_f_15_54_0
[2025-05-07 17:27:34,771 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_f__16_54_0 given in one single declaration
[2025-05-07 17:27:34,771 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_13_function_f__16_54_0 given in one single declaration
[2025-05-07 17:27:34,771 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_13_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_13_function_f__16_54_0
[2025-05-07 17:27:34,771 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_g_52_54_0 given in one single declaration
[2025-05-07 17:27:34,771 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_g_52_54_0
[2025-05-07 17:27:34,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_g_52_54_0
[2025-05-07 17:27:34,771 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_g__53_54_0 given in one single declaration
[2025-05-07 17:27:34,772 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_g__53_54_0
[2025-05-07 17:27:34,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_g__53_54_0
[2025-05-07 17:27:34,772 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_g__53_54_0 given in one single declaration
[2025-05-07 17:27:34,772 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_g__53_54_0
[2025-05-07 17:27:34,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_g__53_54_0
[2025-05-07 17:27:34,772 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_return_function_g__53_54_0 given in one single declaration
[2025-05-07 17:27:34,772 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_return_function_g__53_54_0
[2025-05-07 17:27:34,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_return_function_g__53_54_0
[2025-05-07 17:27:34,772 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_g__53_54_0 given in one single declaration
[2025-05-07 17:27:34,772 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_g__53_54_0
[2025-05-07 17:27:34,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_g__53_54_0
[2025-05-07 17:27:34,772 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:27:34,772 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:27:34,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:27:34,914 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:27:34,916 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:27:35,118 INFO  L?                        ?]: Removed 208 outVars from TransFormulas that were not future-live.
[2025-05-07 17:27:35,118 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:27:35,126 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:27:35,126 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-05-07 17:27:35,126 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:35 BoogieIcfgContainer
[2025-05-07 17:27:35,127 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:27:35,128 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:27:35,128 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:27:35,131 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:27:35,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:34" (1/3) ...
[2025-05-07 17:27:35,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419832eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:27:35, skipping insertion in model container
[2025-05-07 17:27:35,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:34" (2/3) ...
[2025-05-07 17:27:35,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419832eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:27:35, skipping insertion in model container
[2025-05-07 17:27:35,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:35" (3/3) ...
[2025-05-07 17:27:35,132 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:27:35,142 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:27:35,144 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 23 procedures, 96 locations, 155 edges, 23 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:27:35,172 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:27:35,180 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;@53c1dec8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:27:35,180 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:27:35,183 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 96 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 41 states have internal predecessors, (41), 36 states have call successors, (38), 22 states have call predecessors, (38), 22 states have return successors, (38), 32 states have call predecessors, (38), 36 states have call successors, (38)
[2025-05-07 17:27:35,190 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:35,190 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:35,191 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:35,191 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:35,194 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:35,195 INFO  L85        PathProgramCache]: Analyzing trace with hash -1065556639, now seen corresponding path program 1 times
[2025-05-07 17:27:35,200 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:35,200 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796991156]
[2025-05-07 17:27:35,200 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:35,200 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:35,241 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:35,306 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:35,306 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:35,306 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:35,560 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 17:27:35,560 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:35,560 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796991156]
[2025-05-07 17:27:35,561 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796991156] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:35,561 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:35,563 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:27:35,564 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250004877]
[2025-05-07 17:27:35,564 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:35,567 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:27:35,567 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:35,594 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:27:35,594 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:27:35,597 INFO  L87              Difference]: Start difference. First operand  has 96 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 41 states have internal predecessors, (41), 36 states have call successors, (38), 22 states have call predecessors, (38), 22 states have return successors, (38), 32 states have call predecessors, (38), 36 states have call successors, (38) Second operand  has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:27:35,663 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:35,663 INFO  L93              Difference]: Finished difference Result 98 states and 119 transitions.
[2025-05-07 17:27:35,664 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:27:35,666 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:27:35,666 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:35,672 INFO  L225             Difference]: With dead ends: 98
[2025-05-07 17:27:35,672 INFO  L226             Difference]: Without dead ends: 94
[2025-05-07 17:27:35,674 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 17:27:35,676 INFO  L437           NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 439 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 17:27:35,676 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 439 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:35,688 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2025-05-07 17:27:35,706 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92.
[2025-05-07 17:27:35,707 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 38 states have internal predecessors, (38), 34 states have call successors, (36), 22 states have call predecessors, (36), 22 states have return successors, (36), 31 states have call predecessors, (36), 34 states have call successors, (36)
[2025-05-07 17:27:35,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 110 transitions.
[2025-05-07 17:27:35,712 INFO  L79                 Accepts]: Start accepts. Automaton has 92 states and 110 transitions. Word has length 65
[2025-05-07 17:27:35,712 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:35,712 INFO  L485      AbstractCegarLoop]: Abstraction has 92 states and 110 transitions.
[2025-05-07 17:27:35,713 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:27:35,713 INFO  L278                IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions.
[2025-05-07 17:27:35,715 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:35,715 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:35,715 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:35,715 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:27:35,715 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:35,716 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:35,716 INFO  L85        PathProgramCache]: Analyzing trace with hash 22650853, now seen corresponding path program 1 times
[2025-05-07 17:27:35,716 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:35,716 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224323236]
[2025-05-07 17:27:35,716 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:35,716 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:35,753 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:35,773 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:35,774 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:35,774 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:35,901 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 17:27:35,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:35,901 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224323236]
[2025-05-07 17:27:35,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224323236] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:35,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:35,901 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:27:35,901 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642423366]
[2025-05-07 17:27:35,901 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:35,902 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:27:35,902 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:35,903 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:27:35,903 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:27:35,903 INFO  L87              Difference]: Start difference. First operand 92 states and 110 transitions. Second operand  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:27:36,006 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:36,006 INFO  L93              Difference]: Finished difference Result 94 states and 111 transitions.
[2025-05-07 17:27:36,006 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:27:36,007 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:27:36,007 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:36,008 INFO  L225             Difference]: With dead ends: 94
[2025-05-07 17:27:36,008 INFO  L226             Difference]: Without dead ends: 92
[2025-05-07 17:27:36,008 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:27:36,009 INFO  L437           NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:36,009 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 590 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:36,010 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2025-05-07 17:27:36,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90.
[2025-05-07 17:27:36,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 37 states have internal predecessors, (37), 32 states have call successors, (34), 22 states have call predecessors, (34), 22 states have return successors, (34), 30 states have call predecessors, (34), 32 states have call successors, (34)
[2025-05-07 17:27:36,018 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 105 transitions.
[2025-05-07 17:27:36,019 INFO  L79                 Accepts]: Start accepts. Automaton has 90 states and 105 transitions. Word has length 65
[2025-05-07 17:27:36,019 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:36,019 INFO  L485      AbstractCegarLoop]: Abstraction has 90 states and 105 transitions.
[2025-05-07 17:27:36,019 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:27:36,019 INFO  L278                IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions.
[2025-05-07 17:27:36,021 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:27:36,021 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:36,021 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:36,021 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:27:36,022 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:36,022 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:36,022 INFO  L85        PathProgramCache]: Analyzing trace with hash 809078148, now seen corresponding path program 1 times
[2025-05-07 17:27:36,022 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:36,022 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486291733]
[2025-05-07 17:27:36,022 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:36,023 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:36,065 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:27:36,084 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:27:36,085 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:36,085 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:36,667 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2025-05-07 17:27:36,668 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:36,668 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486291733]
[2025-05-07 17:27:36,668 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486291733] provided 0 perfect and 1 imperfect interpolant sequences
[2025-05-07 17:27:36,668 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045711593]
[2025-05-07 17:27:36,668 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:36,668 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-05-07 17:27:36,670 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:36,672 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-05-07 17:27:36,673 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-05-07 17:27:36,893 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:27:37,041 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:27:37,041 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:37,041 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:37,045 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 19 conjuncts are in the unsatisfiable core
[2025-05-07 17:27:37,052 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-05-07 17:27:37,140 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2025-05-07 17:27:37,140 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-05-07 17:27:37,140 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045711593] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:37,140 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-05-07 17:27:37,140 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2025-05-07 17:27:37,140 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430145544]
[2025-05-07 17:27:37,140 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:37,140 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:37,140 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:37,141 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:37,141 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:27:37,141 INFO  L87              Difference]: Start difference. First operand 90 states and 105 transitions. Second operand  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (23), 6 states have call predecessors, (23), 4 states have call successors, (23)
[2025-05-07 17:27:37,200 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:37,200 INFO  L93              Difference]: Finished difference Result 88 states and 102 transitions.
[2025-05-07 17:27:37,200 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:37,200 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (23), 6 states have call predecessors, (23), 4 states have call successors, (23) Word has length 85
[2025-05-07 17:27:37,201 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:37,201 INFO  L225             Difference]: With dead ends: 88
[2025-05-07 17:27:37,201 INFO  L226             Difference]: Without dead ends: 84
[2025-05-07 17:27:37,201 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:27:37,202 INFO  L437           NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:37,202 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 465 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:37,202 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2025-05-07 17:27:37,206 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2025-05-07 17:27:37,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 35 states have internal predecessors, (35), 29 states have call successors, (30), 21 states have call predecessors, (30), 21 states have return successors, (30), 27 states have call predecessors, (30), 29 states have call successors, (30)
[2025-05-07 17:27:37,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions.
[2025-05-07 17:27:37,207 INFO  L79                 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 85
[2025-05-07 17:27:37,207 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:37,207 INFO  L485      AbstractCegarLoop]: Abstraction has 84 states and 95 transitions.
[2025-05-07 17:27:37,207 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (23), 6 states have call predecessors, (23), 4 states have call successors, (23)
[2025-05-07 17:27:37,207 INFO  L278                IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions.
[2025-05-07 17:27:37,208 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:27:37,209 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:37,209 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:37,213 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2025-05-07 17:27:37,409 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-05-07 17:27:37,410 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:37,411 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:37,412 INFO  L85        PathProgramCache]: Analyzing trace with hash 448873440, now seen corresponding path program 1 times
[2025-05-07 17:27:37,412 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:37,412 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278513685]
[2025-05-07 17:27:37,412 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:37,413 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:37,520 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:27:37,555 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:27:37,555 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:37,556 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:37,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2025-05-07 17:27:37,650 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:37,650 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278513685]
[2025-05-07 17:27:37,650 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278513685] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:37,650 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:37,650 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:37,650 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484375541]
[2025-05-07 17:27:37,650 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:37,651 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:37,651 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:37,651 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:37,651 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:37,652 INFO  L87              Difference]: Start difference. First operand 84 states and 95 transitions. Second operand  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:27:37,683 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:37,683 INFO  L93              Difference]: Finished difference Result 88 states and 99 transitions.
[2025-05-07 17:27:37,684 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:37,684 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 85
[2025-05-07 17:27:37,684 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:37,685 INFO  L225             Difference]: With dead ends: 88
[2025-05-07 17:27:37,685 INFO  L226             Difference]: Without dead ends: 88
[2025-05-07 17:27:37,685 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 17:27:37,685 INFO  L437           NwaCegarLoop]: 92 mSDtfsCounter, 1 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:37,686 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 447 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:37,686 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2025-05-07 17:27:37,690 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2025-05-07 17:27:37,690 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 37 states have internal predecessors, (37), 29 states have call successors, (30), 21 states have call predecessors, (30), 23 states have return successors, (32), 29 states have call predecessors, (32), 29 states have call successors, (32)
[2025-05-07 17:27:37,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions.
[2025-05-07 17:27:37,691 INFO  L79                 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 85
[2025-05-07 17:27:37,692 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:37,692 INFO  L485      AbstractCegarLoop]: Abstraction has 88 states and 99 transitions.
[2025-05-07 17:27:37,692 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:27:37,692 INFO  L278                IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions.
[2025-05-07 17:27:37,693 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2025-05-07 17:27:37,693 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:37,693 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:37,694 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:27:37,694 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:37,694 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:37,694 INFO  L85        PathProgramCache]: Analyzing trace with hash -424222249, now seen corresponding path program 1 times
[2025-05-07 17:27:37,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:37,694 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113888437]
[2025-05-07 17:27:37,694 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:37,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:37,723 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes.
[2025-05-07 17:27:37,734 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements.
[2025-05-07 17:27:37,734 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:37,734 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:37,832 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2025-05-07 17:27:37,832 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:37,832 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113888437]
[2025-05-07 17:27:37,833 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113888437] provided 0 perfect and 1 imperfect interpolant sequences
[2025-05-07 17:27:37,833 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055787933]
[2025-05-07 17:27:37,833 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:37,833 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-05-07 17:27:37,835 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:37,837 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-05-07 17:27:37,838 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2025-05-07 17:27:38,029 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes.
[2025-05-07 17:27:38,152 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements.
[2025-05-07 17:27:38,153 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:38,153 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:38,157 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 8 conjuncts are in the unsatisfiable core
[2025-05-07 17:27:38,160 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-05-07 17:27:38,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2025-05-07 17:27:38,209 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2025-05-07 17:27:39,047 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2025-05-07 17:27:39,047 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055787933] provided 0 perfect and 2 imperfect interpolant sequences
[2025-05-07 17:27:39,047 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2025-05-07 17:27:39,047 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 11
[2025-05-07 17:27:39,047 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261511965]
[2025-05-07 17:27:39,047 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2025-05-07 17:27:39,048 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:27:39,048 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:39,048 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:27:39,049 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:27:39,049 INFO  L87              Difference]: Start difference. First operand 88 states and 99 transitions. Second operand  has 11 states, 8 states have (on average 6.125) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (32), 2 states have call predecessors, (32), 8 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35)
[2025-05-07 17:27:39,121 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:39,121 INFO  L93              Difference]: Finished difference Result 86 states and 94 transitions.
[2025-05-07 17:27:39,122 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:39,122 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 8 states have (on average 6.125) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (32), 2 states have call predecessors, (32), 8 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35) Word has length 82
[2025-05-07 17:27:39,122 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:39,123 INFO  L225             Difference]: With dead ends: 86
[2025-05-07 17:27:39,123 INFO  L226             Difference]: Without dead ends: 85
[2025-05-07 17:27:39,123 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 155 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:27:39,124 INFO  L437           NwaCegarLoop]: 84 mSDtfsCounter, 2 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:39,124 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 733 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:39,125 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2025-05-07 17:27:39,130 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2025-05-07 17:27:39,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 36 states have internal predecessors, (36), 26 states have call successors, (27), 21 states have call predecessors, (27), 23 states have return successors, (29), 27 states have call predecessors, (29), 26 states have call successors, (29)
[2025-05-07 17:27:39,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions.
[2025-05-07 17:27:39,131 INFO  L79                 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 82
[2025-05-07 17:27:39,131 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:39,131 INFO  L485      AbstractCegarLoop]: Abstraction has 85 states and 92 transitions.
[2025-05-07 17:27:39,131 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 8 states have (on average 6.125) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (32), 2 states have call predecessors, (32), 8 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35)
[2025-05-07 17:27:39,132 INFO  L278                IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions.
[2025-05-07 17:27:39,133 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:27:39,133 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:39,133 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:39,137 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2025-05-07 17:27:39,334 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-05-07 17:27:39,334 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:39,335 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:39,335 INFO  L85        PathProgramCache]: Analyzing trace with hash 1471346142, now seen corresponding path program 1 times
[2025-05-07 17:27:39,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:39,336 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478301293]
[2025-05-07 17:27:39,336 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:39,336 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:39,428 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:27:39,442 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:27:39,442 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:39,443 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:39,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2025-05-07 17:27:39,577 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:39,577 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478301293]
[2025-05-07 17:27:39,577 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478301293] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:39,577 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:39,577 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:27:39,577 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587697721]
[2025-05-07 17:27:39,577 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:39,578 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:27:39,578 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:39,578 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:27:39,578 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:27:39,579 INFO  L87              Difference]: Start difference. First operand 85 states and 92 transitions. Second operand  has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 5 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21)
[2025-05-07 17:27:39,608 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:39,608 INFO  L93              Difference]: Finished difference Result 55 states and 58 transitions.
[2025-05-07 17:27:39,609 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:27:39,609 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 5 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 85
[2025-05-07 17:27:39,609 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:39,609 INFO  L225             Difference]: With dead ends: 55
[2025-05-07 17:27:39,609 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:27:39,609 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:27:39,610 INFO  L437           NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:39,610 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 266 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:39,610 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:27:39,610 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:27:39,610 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 17:27:39,610 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:27:39,610 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85
[2025-05-07 17:27:39,611 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:39,611 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:27:39,611 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 5 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21)
[2025-05-07 17:27:39,611 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:27:39,611 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:27:39,613 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:27:39,613 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:27:39,615 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:39,617 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:27:39,619 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:27:39 BoogieIcfgContainer
[2025-05-07 17:27:39,619 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:27:39,620 INFO  L158              Benchmark]: Toolchain (without parser) took 4971.51ms. Allocated memory is still 234.9MB. Free memory was 147.1MB in the beginning and 174.9MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:39,620 INFO  L158              Benchmark]: SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:39,620 INFO  L158              Benchmark]: ChcToBoogie took 38.84ms. Allocated memory is still 234.9MB. Free memory was 147.1MB in the beginning and 144.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:39,620 INFO  L158              Benchmark]: Boogie Preprocessor took 50.94ms. Allocated memory is still 234.9MB. Free memory was 144.0MB in the beginning and 140.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:39,621 INFO  L158              Benchmark]: RCFGBuilder took 386.76ms. Allocated memory is still 234.9MB. Free memory was 140.6MB in the beginning and 174.9MB in the end (delta: -34.2MB). Peak memory consumption was 42.3MB. Max. memory is 33.6GB.
[2025-05-07 17:27:39,621 INFO  L158              Benchmark]: TraceAbstraction took 4491.57ms. Allocated memory is still 234.9MB. Free memory was 174.3MB in the beginning and 174.9MB in the end (delta: -621.9kB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:39,621 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 38.84ms. Allocated memory is still 234.9MB. Free memory was 147.1MB in the beginning and 144.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 50.94ms. Allocated memory is still 234.9MB. Free memory was 144.0MB in the beginning and 140.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 386.76ms. Allocated memory is still 234.9MB. Free memory was 140.6MB in the beginning and 174.9MB in the end (delta: -34.2MB). Peak memory consumption was 42.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 4491.57ms. Allocated memory is still 234.9MB. Free memory was 174.3MB in the beginning and 174.9MB in the end (delta: -621.9kB). There was no memory consumed. 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, 96 locations, 155 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 2940 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2397 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 543 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 249 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 39, 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 707 ConstructedInterpolants, 0 QuantifiedInterpolants, 953 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2395 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 65/91 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 17:27:39,631 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
