./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/uint.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:23:44,761 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:23:44,797 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afdb148-1c6b-4ae8-a9fa-1487c9fb19a1/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:23:44,800 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:23:44,800 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:23:44,814 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:23:44,814 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:23:44,814 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:23:44,815 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:23:44,815 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:23:44,815 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:23:44,815 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:23:44,815 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:23:44,815 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:23:44,815 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:23:44,815 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:23:44,815 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:23:44,815 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:23:44,815 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:23:44,815 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:23:44,816 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:23:44,816 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:23:44,816 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:23:44,816 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:23:44,816 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:23:44,816 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:23:44,816 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:23:45,010 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:23:45,015 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:23:45,017 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:23:45,018 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:23:45,018 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:23:45,019 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afdb148-1c6b-4ae8-a9fa-1487c9fb19a1/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/uint.sol_0_no_adts_000.smt2
[2025-05-07 17:23:45,020 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:23:45,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:23:45,192 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afdb148-1c6b-4ae8-a9fa-1487c9fb19a1/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/uint.sol_0_no_adts_000.smt2
[2025-05-07 17:23:45,194 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:23:45,195 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:23:45,196 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:23:45,196 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:23:45,196 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:23:45,198 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,222 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45 Unit
[2025-05-07 17:23:45,222 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:23:45,223 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:23:45,223 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:23:45,223 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:23:45,234 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,235 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,253 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,253 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,256 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,257 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,258 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,259 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,260 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,269 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:23:45,270 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:23:45,270 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:23:45,270 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:23:45,270 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (1/1) ...
[2025-05-07 17:23:45,272 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:23:45,280 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:23:45,289 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 17:23:45,291 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 17:23:45,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:23:45,308 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:23:45,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:23:45,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:23:45,308 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:23:45,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:23:45,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__24_25_0 given in one single declaration
[2025-05-07 17:23:45,308 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__24_25_0
[2025-05-07 17:23:45,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__24_25_0
[2025-05-07 17:23:45,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__24_25_0 given in one single declaration
[2025-05-07 17:23:45,308 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__24_25_0
[2025-05-07 17:23:45,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__24_25_0 given in one single declaration
[2025-05-07 17:23:45,309 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__24_25_0 given in one single declaration
[2025-05-07 17:23:45,309 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_23_25_0 given in one single declaration
[2025-05-07 17:23:45,309 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_23_25_0
[2025-05-07 17:23:45,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_23_25_0
[2025-05-07 17:23:45,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__24_25_0 given in one single declaration
[2025-05-07 17:23:45,309 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__24_25_0 given in one single declaration
[2025-05-07 17:23:45,309 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__24_25_0 given in one single declaration
[2025-05-07 17:23:45,309 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__24_25_0
[2025-05-07 17:23:45,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__24_25_0
[2025-05-07 17:23:45,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_25_0 given in one single declaration
[2025-05-07 17:23:45,310 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_25_0
[2025-05-07 17:23:45,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_25_0
[2025-05-07 17:23:45,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_25_0 given in one single declaration
[2025-05-07 17:23:45,310 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_25_0
[2025-05-07 17:23:45,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_25_0
[2025-05-07 17:23:45,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_11_C_25_0 given in one single declaration
[2025-05-07 17:23:45,310 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_11_C_25_0
[2025-05-07 17:23:45,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_11_C_25_0
[2025-05-07 17:23:45,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_13_C_25_0 given in one single declaration
[2025-05-07 17:23:45,310 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_13_C_25_0
[2025-05-07 17:23:45,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_13_C_25_0
[2025-05-07 17:23:45,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_12_C_25_0 given in one single declaration
[2025-05-07 17:23:45,310 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_12_C_25_0
[2025-05-07 17:23:45,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_12_C_25_0
[2025-05-07 17:23:45,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_14_C_25_0 given in one single declaration
[2025-05-07 17:23:45,310 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_14_C_25_0
[2025-05-07 17:23:45,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_14_C_25_0
[2025-05-07 17:23:45,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:23:45,310 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:23:45,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:23:45,418 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:23:45,421 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:23:45,605 INFO  L?                        ?]: Removed 129 outVars from TransFormulas that were not future-live.
[2025-05-07 17:23:45,606 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:23:45,617 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:23:45,617 INFO  L312             CfgBuilder]: Removed 8 assume(true) statements.
[2025-05-07 17:23:45,618 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:23:45 BoogieIcfgContainer
[2025-05-07 17:23:45,618 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:23:45,620 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:23:45,621 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:23:45,624 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:23:45,625 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:23:45" (1/3) ...
[2025-05-07 17:23:45,625 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100f9ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:23:45, skipping insertion in model container
[2025-05-07 17:23:45,625 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:23:45" (2/3) ...
[2025-05-07 17:23:45,625 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100f9ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:23:45, skipping insertion in model container
[2025-05-07 17:23:45,626 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:23:45" (3/3) ...
[2025-05-07 17:23:45,627 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:23:45,639 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:23:45,641 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 17 procedures, 66 locations, 97 edges, 17 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:23:45,679 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:23:45,691 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;@3ed8ca88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:23:45,691 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:23:45,695 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 66 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 31 states have internal predecessors, (31), 20 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (22), 18 states have call predecessors, (22), 20 states have call successors, (22)
[2025-05-07 17:23:45,704 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:23:45,704 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:45,705 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 17:23:45,705 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:45,719 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:45,720 INFO  L85        PathProgramCache]: Analyzing trace with hash -1592059128, now seen corresponding path program 1 times
[2025-05-07 17:23:45,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:45,725 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890986247]
[2025-05-07 17:23:45,725 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:45,726 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:45,767 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:23:45,785 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:23:45,785 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:45,785 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:45,936 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 17:23:45,936 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:45,936 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890986247]
[2025-05-07 17:23:45,937 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890986247] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:45,937 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:45,938 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:23:45,939 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201224809]
[2025-05-07 17:23:45,940 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:45,943 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:23:45,944 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:45,966 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:23:45,966 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:23:45,968 INFO  L87              Difference]: Start difference. First operand  has 66 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 31 states have internal predecessors, (31), 20 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (22), 18 states have call predecessors, (22), 20 states have call successors, (22) Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:23:46,014 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:46,014 INFO  L93              Difference]: Finished difference Result 65 states and 72 transitions.
[2025-05-07 17:23:46,015 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:23:46,017 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:23:46,021 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:46,027 INFO  L225             Difference]: With dead ends: 65
[2025-05-07 17:23:46,028 INFO  L226             Difference]: Without dead ends: 60
[2025-05-07 17:23:46,029 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 17:23:46,031 INFO  L437           NwaCegarLoop]: 69 mSDtfsCounter, 1 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:46,032 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 199 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:46,042 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2025-05-07 17:23:46,056 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58.
[2025-05-07 17:23:46,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 25 states have (on average 1.04) internal successors, (26), 26 states have internal predecessors, (26), 17 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18)
[2025-05-07 17:23:46,060 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions.
[2025-05-07 17:23:46,061 INFO  L79                 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 51
[2025-05-07 17:23:46,061 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:46,062 INFO  L485      AbstractCegarLoop]: Abstraction has 58 states and 62 transitions.
[2025-05-07 17:23:46,062 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:23:46,062 INFO  L278                IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions.
[2025-05-07 17:23:46,063 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:23:46,063 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:46,063 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 17:23:46,064 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:23:46,064 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:46,064 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:46,064 INFO  L85        PathProgramCache]: Analyzing trace with hash 506508882, now seen corresponding path program 1 times
[2025-05-07 17:23:46,064 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:46,064 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659343006]
[2025-05-07 17:23:46,064 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:46,065 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:46,097 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:23:46,124 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:23:46,124 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:46,124 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:46,238 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 17:23:46,238 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:46,239 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659343006]
[2025-05-07 17:23:46,239 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659343006] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:46,239 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:46,239 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:23:46,239 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106261179]
[2025-05-07 17:23:46,239 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:46,240 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:23:46,240 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:46,240 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:23:46,240 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:23:46,240 INFO  L87              Difference]: Start difference. First operand 58 states and 62 transitions. Second operand  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:23:46,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:46,273 INFO  L93              Difference]: Finished difference Result 63 states and 68 transitions.
[2025-05-07 17:23:46,273 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:23:46,273 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:23:46,274 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:46,274 INFO  L225             Difference]: With dead ends: 63
[2025-05-07 17:23:46,274 INFO  L226             Difference]: Without dead ends: 63
[2025-05-07 17:23:46,275 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 17:23:46,275 INFO  L437           NwaCegarLoop]: 59 mSDtfsCounter, 1 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 285 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 17:23:46,275 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 285 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:46,276 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2025-05-07 17:23:46,279 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63.
[2025-05-07 17:23:46,279 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 18 states have call successors, (19), 15 states have call predecessors, (19), 17 states have return successors, (21), 19 states have call predecessors, (21), 18 states have call successors, (21)
[2025-05-07 17:23:46,280 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions.
[2025-05-07 17:23:46,280 INFO  L79                 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 51
[2025-05-07 17:23:46,281 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:46,281 INFO  L485      AbstractCegarLoop]: Abstraction has 63 states and 68 transitions.
[2025-05-07 17:23:46,281 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:23:46,281 INFO  L278                IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions.
[2025-05-07 17:23:46,282 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:23:46,282 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:23:46,282 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 17:23:46,282 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:23:46,282 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:23:46,282 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:23:46,282 INFO  L85        PathProgramCache]: Analyzing trace with hash -102016244, now seen corresponding path program 1 times
[2025-05-07 17:23:46,282 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:23:46,282 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79155472]
[2025-05-07 17:23:46,282 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:23:46,282 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:23:46,300 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:23:46,312 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:23:46,312 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:23:46,312 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:23:46,455 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 17:23:46,456 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:23:46,456 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79155472]
[2025-05-07 17:23:46,456 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79155472] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:23:46,456 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:23:46,456 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:23:46,456 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104403340]
[2025-05-07 17:23:46,456 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:23:46,456 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:23:46,457 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:23:46,457 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:23:46,457 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:23:46,457 INFO  L87              Difference]: Start difference. First operand 63 states and 68 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:23:46,518 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:23:46,518 INFO  L93              Difference]: Finished difference Result 57 states and 62 transitions.
[2025-05-07 17:23:46,519 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:23:46,519 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:23:46,519 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:23:46,519 INFO  L225             Difference]: With dead ends: 57
[2025-05-07 17:23:46,519 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:23:46,519 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:23:46,520 INFO  L437           NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:23:46,520 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:23:46,520 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:23:46,521 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:23:46,521 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 17:23:46,521 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:23:46,521 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:23:46,521 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:23:46,521 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:23:46,521 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:23:46,521 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:23:46,521 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:23:46,523 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:23:46,523 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:23:46,525 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:23:46,527 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:23:46,529 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:23:46 BoogieIcfgContainer
[2025-05-07 17:23:46,529 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:23:46,530 INFO  L158              Benchmark]: Toolchain (without parser) took 1334.59ms. Allocated memory is still 234.9MB. Free memory was 155.7MB in the beginning and 101.4MB in the end (delta: 54.3MB). Peak memory consumption was 58.2MB. Max. memory is 33.6GB.
[2025-05-07 17:23:46,530 INFO  L158              Benchmark]: SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:23:46,530 INFO  L158              Benchmark]: ChcToBoogie took 26.82ms. Allocated memory is still 234.9MB. Free memory was 155.6MB in the beginning and 153.5MB in the end (delta: 2.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:23:46,530 INFO  L158              Benchmark]: Boogie Preprocessor took 45.96ms. Allocated memory is still 234.9MB. Free memory was 153.5MB in the beginning and 150.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:23:46,530 INFO  L158              Benchmark]: RCFGBuilder took 348.16ms. Allocated memory is still 234.9MB. Free memory was 150.6MB in the beginning and 126.5MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:23:46,531 INFO  L158              Benchmark]: TraceAbstraction took 908.96ms. Allocated memory is still 234.9MB. Free memory was 125.9MB in the beginning and 101.4MB in the end (delta: 24.5MB). Peak memory consumption was 24.7MB. Max. memory is 33.6GB.
[2025-05-07 17:23:46,531 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 26.82ms. Allocated memory is still 234.9MB. Free memory was 155.6MB in the beginning and 153.5MB in the end (delta: 2.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * Boogie Preprocessor took 45.96ms. Allocated memory is still 234.9MB. Free memory was 153.5MB in the beginning and 150.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 348.16ms. Allocated memory is still 234.9MB. Free memory was 150.6MB in the beginning and 126.5MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 908.96ms. Allocated memory is still 234.9MB. Free memory was 125.9MB in the beginning and 101.4MB in the end (delta: 24.5MB). Peak memory consumption was 24.7MB. 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 17 procedures, 66 locations, 97 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 804 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 620 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 184 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 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 17:23:46,540 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
