./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_overriding_3.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:27,704 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:27,741 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0593408-631d-4f81-ad17-477c400249e9/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:27,745 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:27,745 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:27,758 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:27,759 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:27,759 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:27,759 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:27,759 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:27,759 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:27,759 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:27,759 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:27,759 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:27,760 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:27,760 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:27,760 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:27,761 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:27,761 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:27,941 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:27,949 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:27,951 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:27,952 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:27,952 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:27,953 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0593408-631d-4f81-ad17-477c400249e9/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_overriding_3.sol_0_no_adts_000.smt2
[2025-05-07 17:28:27,954 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:27,956 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:28,194 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0593408-631d-4f81-ad17-477c400249e9/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_overriding_3.sol_0_no_adts_000.smt2
[2025-05-07 17:28:28,197 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:28,198 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:28,199 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:28,199 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:28,199 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:28,202 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,239 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28 Unit
[2025-05-07 17:28:28,240 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:28,241 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:28,241 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:28,241 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:28,254 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,254 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,278 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,279 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,283 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,284 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,286 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,288 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,289 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,301 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:28,302 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:28,302 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:28,302 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:28,303 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (1/1) ...
[2025-05-07 17:28:28,304 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:28,315 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:28,325 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:28,327 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:28,337 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:28,337 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:28,337 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:28,338 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:28:28,338 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:28:28,338 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:28:28,338 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_5_B_36_0 given in one single declaration
[2025-05-07 17:28:28,338 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_5_B_36_0
[2025-05-07 17:28:28,338 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_5_B_36_0
[2025-05-07 17:28:28,338 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_7_B_36_0 given in one single declaration
[2025-05-07 17:28:28,338 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_7_B_36_0
[2025-05-07 17:28:28,338 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_7_B_36_0
[2025-05-07 17:28:28,339 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_24_B_36_0 given in one single declaration
[2025-05-07 17:28:28,339 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_24_B_36_0
[2025-05-07 17:28:28,339 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_24_B_36_0
[2025-05-07 17:28:28,339 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_26_B_36_0 given in one single declaration
[2025-05-07 17:28:28,339 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_26_B_36_0
[2025-05-07 17:28:28,339 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_26_B_36_0
[2025-05-07 17:28:28,339 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_25_B_36_0 given in one single declaration
[2025-05-07 17:28:28,339 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_25_B_36_0
[2025-05-07 17:28:28,339 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_25_B_36_0
[2025-05-07 17:28:28,340 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_30_B_36_0 given in one single declaration
[2025-05-07 17:28:28,340 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_30_B_36_0
[2025-05-07 17:28:28,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_30_B_36_0
[2025-05-07 17:28:28,340 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_27_A_20_0 given in one single declaration
[2025-05-07 17:28:28,340 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_27_A_20_0
[2025-05-07 17:28:28,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_27_A_20_0
[2025-05-07 17:28:28,340 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_29_A_20_0 given in one single declaration
[2025-05-07 17:28:28,340 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_29_A_20_0
[2025-05-07 17:28:28,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_29_A_20_0
[2025-05-07 17:28:28,340 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_28_A_20_0 given in one single declaration
[2025-05-07 17:28:28,341 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_28_A_20_0
[2025-05-07 17:28:28,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_28_A_20_0
[2025-05-07 17:28:28,341 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_f__17_36_0 given in one single declaration
[2025-05-07 17:28:28,341 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_f__17_36_0
[2025-05-07 17:28:28,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_f__17_36_0
[2025-05-07 17:28:28,341 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_f__17_36_0 given in one single declaration
[2025-05-07 17:28:28,341 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_f__17_36_0
[2025-05-07 17:28:28,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_f__17_36_0
[2025-05-07 17:28:28,341 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_8_function_f__17_36_0 given in one single declaration
[2025-05-07 17:28:28,341 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_8_function_f__17_36_0
[2025-05-07 17:28:28,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_8_function_f__17_36_0
[2025-05-07 17:28:28,342 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_return_f_35_36_0 given in one single declaration
[2025-05-07 17:28:28,342 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_return_f_35_36_0
[2025-05-07 17:28:28,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_return_f_35_36_0
[2025-05-07 17:28:28,342 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_return_function_f__17_36_0 given in one single declaration
[2025-05-07 17:28:28,342 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_return_function_f__17_36_0
[2025-05-07 17:28:28,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_return_function_f__17_36_0
[2025-05-07 17:28:28,342 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_f_16_36_0 given in one single declaration
[2025-05-07 17:28:28,342 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_f_16_36_0
[2025-05-07 17:28:28,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_f_16_36_0
[2025-05-07 17:28:28,342 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_f__17_36_0 given in one single declaration
[2025-05-07 17:28:28,342 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_f__17_36_0
[2025-05-07 17:28:28,342 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_f__17_36_0
[2025-05-07 17:28:28,343 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_function_f__17_36_0 given in one single declaration
[2025-05-07 17:28:28,343 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_function_f__17_36_0
[2025-05-07 17:28:28,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_function_f__17_36_0
[2025-05-07 17:28:28,343 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_function_f__17_36_0 given in one single declaration
[2025-05-07 17:28:28,343 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_function_f__17_36_0
[2025-05-07 17:28:28,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_function_f__17_36_0
[2025-05-07 17:28:28,343 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:28,343 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:28,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:28,464 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:28,466 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:28,680 INFO  L?                        ?]: Removed 168 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:28,680 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:28,691 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:28,692 INFO  L312             CfgBuilder]: Removed 11 assume(true) statements.
[2025-05-07 17:28:28,692 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:28 BoogieIcfgContainer
[2025-05-07 17:28:28,692 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:28,694 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:28,694 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:28,698 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:28,698 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:28" (1/3) ...
[2025-05-07 17:28:28,699 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:28, skipping insertion in model container
[2025-05-07 17:28:28,699 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:28" (2/3) ...
[2025-05-07 17:28:28,699 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:28, skipping insertion in model container
[2025-05-07 17:28:28,699 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:28" (3/3) ...
[2025-05-07 17:28:28,700 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:28,711 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:28,712 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 21 procedures, 82 locations, 124 edges, 21 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:28,741 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:28,749 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;@161d5da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:28,749 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:28,752 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 82 states, 33 states have (on average 1.121212121212121) internal successors, (37), 37 states have internal predecessors, (37), 27 states have call successors, (29), 20 states have call predecessors, (29), 20 states have return successors, (29), 24 states have call predecessors, (29), 27 states have call successors, (29)
[2025-05-07 17:28:28,759 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:28,759 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:28,759 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 17:28:28,759 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:28,763 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:28,763 INFO  L85        PathProgramCache]: Analyzing trace with hash -1666868884, now seen corresponding path program 1 times
[2025-05-07 17:28:28,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:28,769 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488587412]
[2025-05-07 17:28:28,769 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:28,769 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:28,807 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:28,856 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:28,857 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:28,857 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:29,041 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:29,041 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:29,041 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488587412]
[2025-05-07 17:28:29,041 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488587412] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:29,041 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:29,043 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:29,044 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110865022]
[2025-05-07 17:28:29,045 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:29,048 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:29,048 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:29,082 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:29,082 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:29,084 INFO  L87              Difference]: Start difference. First operand  has 82 states, 33 states have (on average 1.121212121212121) internal successors, (37), 37 states have internal predecessors, (37), 27 states have call successors, (29), 20 states have call predecessors, (29), 20 states have return successors, (29), 24 states have call predecessors, (29), 27 states have call successors, (29) Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2025-05-07 17:28:29,120 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:29,120 INFO  L93              Difference]: Finished difference Result 79 states and 89 transitions.
[2025-05-07 17:28:29,121 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:29,122 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 51
[2025-05-07 17:28:29,122 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:29,133 INFO  L225             Difference]: With dead ends: 79
[2025-05-07 17:28:29,133 INFO  L226             Difference]: Without dead ends: 71
[2025-05-07 17:28:29,134 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:29,136 INFO  L437           NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:29,137 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 249 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:29,147 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2025-05-07 17:28:29,160 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2025-05-07 17:28:29,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 71 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 31 states have internal predecessors, (31), 21 states have call successors, (22), 19 states have call predecessors, (22), 19 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22)
[2025-05-07 17:28:29,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions.
[2025-05-07 17:28:29,165 INFO  L79                 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 51
[2025-05-07 17:28:29,166 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:29,166 INFO  L485      AbstractCegarLoop]: Abstraction has 71 states and 75 transitions.
[2025-05-07 17:28:29,166 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2025-05-07 17:28:29,166 INFO  L278                IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions.
[2025-05-07 17:28:29,168 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2025-05-07 17:28:29,168 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:29,168 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]
[2025-05-07 17:28:29,168 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:29,168 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:29,169 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:29,169 INFO  L85        PathProgramCache]: Analyzing trace with hash 1134696787, now seen corresponding path program 1 times
[2025-05-07 17:28:29,169 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:29,169 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192312092]
[2025-05-07 17:28:29,169 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:29,169 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:29,202 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes.
[2025-05-07 17:28:29,225 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements.
[2025-05-07 17:28:29,226 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:29,226 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:29,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:29,356 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:29,356 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192312092]
[2025-05-07 17:28:29,356 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192312092] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:29,356 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:29,356 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:29,356 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939154751]
[2025-05-07 17:28:29,356 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:29,357 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:29,358 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:29,358 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:29,358 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:29,358 INFO  L87              Difference]: Start difference. First operand 71 states and 75 transitions. Second operand  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (17), 1 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17)
[2025-05-07 17:28:29,401 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:29,401 INFO  L93              Difference]: Finished difference Result 76 states and 81 transitions.
[2025-05-07 17:28:29,401 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:29,401 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (17), 1 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 61
[2025-05-07 17:28:29,402 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:29,402 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:28:29,402 INFO  L226             Difference]: Without dead ends: 76
[2025-05-07 17:28:29,403 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:29,403 INFO  L437           NwaCegarLoop]: 73 mSDtfsCounter, 1 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 355 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 17:28:29,403 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 355 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:29,404 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2025-05-07 17:28:29,408 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2025-05-07 17:28:29,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 32 states have (on average 1.03125) internal successors, (33), 33 states have internal predecessors, (33), 22 states have call successors, (23), 19 states have call predecessors, (23), 21 states have return successors, (25), 23 states have call predecessors, (25), 22 states have call successors, (25)
[2025-05-07 17:28:29,409 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions.
[2025-05-07 17:28:29,409 INFO  L79                 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 61
[2025-05-07 17:28:29,409 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:29,409 INFO  L485      AbstractCegarLoop]: Abstraction has 76 states and 81 transitions.
[2025-05-07 17:28:29,410 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (17), 1 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17)
[2025-05-07 17:28:29,410 INFO  L278                IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions.
[2025-05-07 17:28:29,410 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2025-05-07 17:28:29,410 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:29,411 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]
[2025-05-07 17:28:29,411 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:29,411 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:29,411 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:29,411 INFO  L85        PathProgramCache]: Analyzing trace with hash 258056361, now seen corresponding path program 1 times
[2025-05-07 17:28:29,411 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:29,411 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77240820]
[2025-05-07 17:28:29,411 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:29,411 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:29,439 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes.
[2025-05-07 17:28:29,455 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements.
[2025-05-07 17:28:29,455 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:29,455 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:29,623 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:29,624 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:29,624 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77240820]
[2025-05-07 17:28:29,624 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77240820] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:29,624 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:29,624 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2025-05-07 17:28:29,624 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174548753]
[2025-05-07 17:28:29,624 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:29,625 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-05-07 17:28:29,625 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:29,625 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-05-07 17:28:29,625 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:29,626 INFO  L87              Difference]: Start difference. First operand 76 states and 81 transitions. Second operand  has 9 states, 7 states have (on average 4.0) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:29,697 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:29,697 INFO  L93              Difference]: Finished difference Result 36 states and 37 transitions.
[2025-05-07 17:28:29,698 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2025-05-07 17:28:29,698 INFO  L79                 Accepts]: Start accepts. Automaton has  has 9 states, 7 states have (on average 4.0) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 64
[2025-05-07 17:28:29,698 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:29,698 INFO  L225             Difference]: With dead ends: 36
[2025-05-07 17:28:29,698 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:29,698 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:28:29,699 INFO  L437           NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:29,699 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 237 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:29,700 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:29,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:29,700 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:29,700 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:29,700 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64
[2025-05-07 17:28:29,701 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:29,701 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:29,701 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 7 states have (on average 4.0) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:29,701 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:29,701 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:29,704 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:29,704 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:29,707 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:28:29,709 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:29,711 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:29 BoogieIcfgContainer
[2025-05-07 17:28:29,711 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:29,712 INFO  L158              Benchmark]: Toolchain (without parser) took 1513.71ms. Allocated memory is still 234.9MB. Free memory was 153.3MB in the beginning and 81.5MB in the end (delta: 71.8MB). Peak memory consumption was 76.2MB. Max. memory is 33.6GB.
[2025-05-07 17:28:29,712 INFO  L158              Benchmark]: SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 173.0MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:29,712 INFO  L158              Benchmark]: ChcToBoogie took 40.96ms. Allocated memory is still 234.9MB. Free memory was 153.1MB in the beginning and 150.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:29,713 INFO  L158              Benchmark]: Boogie Preprocessor took 60.77ms. Allocated memory is still 234.9MB. Free memory was 150.7MB in the beginning and 147.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:29,713 INFO  L158              Benchmark]: RCFGBuilder took 390.43ms. Allocated memory is still 234.9MB. Free memory was 147.6MB in the beginning and 191.1MB in the end (delta: -43.5MB). Peak memory consumption was 42.5MB. Max. memory is 33.6GB.
[2025-05-07 17:28:29,713 INFO  L158              Benchmark]: TraceAbstraction took 1016.94ms. Allocated memory is still 234.9MB. Free memory was 190.5MB in the beginning and 81.5MB in the end (delta: 109.1MB). Peak memory consumption was 100.7MB. Max. memory is 33.6GB.
[2025-05-07 17:28:29,714 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 173.0MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 40.96ms. Allocated memory is still 234.9MB. Free memory was 153.1MB in the beginning and 150.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 60.77ms. Allocated memory is still 234.9MB. Free memory was 150.7MB in the beginning and 147.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 390.43ms. Allocated memory is still 234.9MB. Free memory was 147.6MB in the beginning and 191.1MB in the end (delta: -43.5MB). Peak memory consumption was 42.5MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1016.94ms. Allocated memory is still 234.9MB. Free memory was 190.5MB in the beginning and 81.5MB in the end (delta: 109.1MB). Peak memory consumption was 100.7MB. 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 21 procedures, 82 locations, 124 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 841 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 648 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 193 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:28:29,726 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
