./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/msg_sender_range.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:27:10,940 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:27:10,989 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda7c5c-39df-4df1-9fbd-951a8ae1d393/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:27:10,993 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:27:10,993 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:27:11,010 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:27:11,011 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:27:11,011 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:27:11,011 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:27:11,011 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:27:11,012 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:27:11,012 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:27:11,012 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:27:11,012 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:27:11,012 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:27:11,012 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:27:11,012 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:27:11,012 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:27:11,013 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:11,013 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:27:11,013 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:27:11,013 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:27:11,013 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:27:11,013 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:27:11,013 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:27:11,014 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:27:11,014 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:27:11,217 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:27:11,222 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:27:11,224 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:27:11,225 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:27:11,225 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:27:11,226 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda7c5c-39df-4df1-9fbd-951a8ae1d393/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/msg_sender_range.sol_0_no_adts_000.smt2
[2025-05-07 17:27:11,227 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:27:11,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:27:11,392 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda7c5c-39df-4df1-9fbd-951a8ae1d393/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/msg_sender_range.sol_0_no_adts_000.smt2
[2025-05-07 17:27:11,394 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:27:11,395 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:27:11,395 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:27:11,396 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:27:11,396 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:27:11,397 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,421 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11 Unit
[2025-05-07 17:27:11,421 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:27:11,422 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:27:11,422 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:27:11,422 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:27:11,433 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,433 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,450 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,451 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,453 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,454 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,455 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,456 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,457 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,465 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:27:11,466 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:27:11,466 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:27:11,466 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:27:11,466 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,468 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:11,476 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:11,484 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:27:11,486 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:27:11,493 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:27:11,493 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:27:11,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:27:11,494 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_5_0 given in one single declaration
[2025-05-07 17:27:11,494 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_5_0
[2025-05-07 17:27:11,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_5_0
[2025-05-07 17:27:11,494 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_29_0 given in one single declaration
[2025-05-07 17:27:11,494 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_29_0
[2025-05-07 17:27:11,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_29_0
[2025-05-07 17:27:11,494 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_29_0 given in one single declaration
[2025-05-07 17:27:11,494 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_29_0
[2025-05-07 17:27:11,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_29_0
[2025-05-07 17:27:11,494 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_11_C_29_0 given in one single declaration
[2025-05-07 17:27:11,494 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_11_C_29_0
[2025-05-07 17:27:11,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_11_C_29_0
[2025-05-07 17:27:11,494 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_13_C_29_0 given in one single declaration
[2025-05-07 17:27:11,494 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_13_C_29_0
[2025-05-07 17:27:11,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_13_C_29_0
[2025-05-07 17:27:11,494 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_12_C_29_0 given in one single declaration
[2025-05-07 17:27:11,494 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_12_C_29_0
[2025-05-07 17:27:11,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_12_C_29_0
[2025-05-07 17:27:11,495 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_14_C_29_0 given in one single declaration
[2025-05-07 17:27:11,495 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_14_C_29_0
[2025-05-07 17:27:11,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_14_C_29_0
[2025-05-07 17:27:11,495 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__28_29_0 given in one single declaration
[2025-05-07 17:27:11,495 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__28_29_0
[2025-05-07 17:27:11,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__28_29_0
[2025-05-07 17:27:11,495 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__28_29_0 given in one single declaration
[2025-05-07 17:27:11,495 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__28_29_0
[2025-05-07 17:27:11,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__28_29_0
[2025-05-07 17:27:11,495 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__28_29_0 given in one single declaration
[2025-05-07 17:27:11,495 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__28_29_0
[2025-05-07 17:27:11,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__28_29_0
[2025-05-07 17:27:11,495 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__28_29_0 given in one single declaration
[2025-05-07 17:27:11,495 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__28_29_0
[2025-05-07 17:27:11,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__28_29_0
[2025-05-07 17:27:11,495 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_27_29_0 given in one single declaration
[2025-05-07 17:27:11,495 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_27_29_0
[2025-05-07 17:27:11,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_27_29_0
[2025-05-07 17:27:11,496 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__28_29_0 given in one single declaration
[2025-05-07 17:27:11,496 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__28_29_0
[2025-05-07 17:27:11,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__28_29_0
[2025-05-07 17:27:11,496 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__28_29_0 given in one single declaration
[2025-05-07 17:27:11,496 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__28_29_0
[2025-05-07 17:27:11,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__28_29_0
[2025-05-07 17:27:11,496 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__28_29_0 given in one single declaration
[2025-05-07 17:27:11,496 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__28_29_0
[2025-05-07 17:27:11,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__28_29_0
[2025-05-07 17:27:11,496 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:27:11,496 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:27:11,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:27:11,592 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:27:11,594 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:27:11,735 INFO  L?                        ?]: Removed 114 outVars from TransFormulas that were not future-live.
[2025-05-07 17:27:11,735 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:27:11,744 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:27:11,744 INFO  L312             CfgBuilder]: Removed 8 assume(true) statements.
[2025-05-07 17:27:11,744 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:11 BoogieIcfgContainer
[2025-05-07 17:27:11,744 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:27:11,746 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:27:11,746 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:27:11,749 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:27:11,749 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:11" (1/3) ...
[2025-05-07 17:27:11,750 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39545105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:27:11, skipping insertion in model container
[2025-05-07 17:27:11,750 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (2/3) ...
[2025-05-07 17:27:11,750 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39545105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:27:11, skipping insertion in model container
[2025-05-07 17:27:11,750 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:11" (3/3) ...
[2025-05-07 17:27:11,751 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:27:11,762 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:27:11,764 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 17:27:11,792 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:27:11,800 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;@5e9990d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:27:11,800 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:27:11,803 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 17:27:11,809 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:27:11,810 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:11,810 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:11,810 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:11,814 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:11,814 INFO  L85        PathProgramCache]: Analyzing trace with hash 660807114, now seen corresponding path program 1 times
[2025-05-07 17:27:11,819 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:11,820 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593532779]
[2025-05-07 17:27:11,820 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:11,820 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:11,872 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:27:11,894 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:27:11,894 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:11,894 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:11,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:27:11,965 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:11,966 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593532779]
[2025-05-07 17:27:11,966 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593532779] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:11,966 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:11,968 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:27:11,969 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348320274]
[2025-05-07 17:27:11,969 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:11,971 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:27:11,972 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:11,988 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:27:11,988 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:27:11,989 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 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:27:12,019 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:12,019 INFO  L93              Difference]: Finished difference Result 58 states and 63 transitions.
[2025-05-07 17:27:12,020 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:27:12,021 INFO  L79                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 51
[2025-05-07 17:27:12,021 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:12,026 INFO  L225             Difference]: With dead ends: 58
[2025-05-07 17:27:12,026 INFO  L226             Difference]: Without dead ends: 56
[2025-05-07 17:27:12,027 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:27:12,030 INFO  L437           NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:12,030 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:12,045 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2025-05-07 17:27:12,068 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2025-05-07 17:27:12,070 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 25 states have internal predecessors, (25), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18)
[2025-05-07 17:27:12,074 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions.
[2025-05-07 17:27:12,075 INFO  L79                 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 51
[2025-05-07 17:27:12,076 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:12,076 INFO  L485      AbstractCegarLoop]: Abstraction has 56 states and 61 transitions.
[2025-05-07 17:27:12,076 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:27:12,076 INFO  L278                IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions.
[2025-05-07 17:27:12,078 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:27:12,078 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:12,078 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:12,079 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:27:12,079 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:12,080 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:12,080 INFO  L85        PathProgramCache]: Analyzing trace with hash 549711108, now seen corresponding path program 1 times
[2025-05-07 17:27:12,080 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:12,080 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809423304]
[2025-05-07 17:27:12,080 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:12,080 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:12,114 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:27:12,154 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:27:12,154 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:12,154 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:12,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:27:12,364 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:12,364 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809423304]
[2025-05-07 17:27:12,364 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809423304] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:12,364 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:12,364 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:27:12,364 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977516688]
[2025-05-07 17:27:12,364 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:12,365 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:27:12,365 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:12,366 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:27:12,366 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:27:12,366 INFO  L87              Difference]: Start difference. First operand 56 states and 61 transitions. 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 17:27:12,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:12,379 INFO  L93              Difference]: Finished difference Result 60 states and 65 transitions.
[2025-05-07 17:27:12,379 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:27:12,380 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 17:27:12,380 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:12,381 INFO  L225             Difference]: With dead ends: 60
[2025-05-07 17:27:12,381 INFO  L226             Difference]: Without dead ends: 56
[2025-05-07 17:27:12,381 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 17:27:12,382 INFO  L437           NwaCegarLoop]: 62 mSDtfsCounter, 1 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 178 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 17:27:12,382 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 178 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:12,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2025-05-07 17:27:12,389 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54.
[2025-05-07 17:27:12,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 16 states have call successors, (16), 14 states have call predecessors, (16), 14 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16)
[2025-05-07 17:27:12,391 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions.
[2025-05-07 17:27:12,391 INFO  L79                 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 51
[2025-05-07 17:27:12,391 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:12,392 INFO  L485      AbstractCegarLoop]: Abstraction has 54 states and 56 transitions.
[2025-05-07 17:27:12,392 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 17:27:12,392 INFO  L278                IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions.
[2025-05-07 17:27:12,393 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:27:12,393 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:12,393 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:12,394 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:27:12,394 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:12,394 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:12,394 INFO  L85        PathProgramCache]: Analyzing trace with hash 1637918600, now seen corresponding path program 1 times
[2025-05-07 17:27:12,395 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:12,395 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038307368]
[2025-05-07 17:27:12,395 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:12,395 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:12,422 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:27:12,444 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:27:12,444 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:12,444 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:12,599 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:27:12,599 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:12,599 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038307368]
[2025-05-07 17:27:12,599 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038307368] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:12,599 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:12,600 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:27:12,600 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552747915]
[2025-05-07 17:27:12,600 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:12,600 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:27:12,600 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:12,600 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:27:12,600 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:27:12,601 INFO  L87              Difference]: Start difference. First operand 54 states and 56 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)
[2025-05-07 17:27:12,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:12,650 INFO  L93              Difference]: Finished difference Result 24 states and 23 transitions.
[2025-05-07 17:27:12,651 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:12,651 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), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 51
[2025-05-07 17:27:12,651 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:12,651 INFO  L225             Difference]: With dead ends: 24
[2025-05-07 17:27:12,651 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:27:12,651 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:27:12,652 INFO  L437           NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:12,652 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 124 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:12,653 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:27:12,653 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:27:12,653 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:27:12,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:27:12,653 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:27:12,653 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:12,653 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:27:12,653 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), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)
[2025-05-07 17:27:12,653 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:27:12,653 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:27:12,655 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:27:12,655 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:27:12,658 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:27:12,659 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:27:12,661 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:27:12 BoogieIcfgContainer
[2025-05-07 17:27:12,662 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:27:12,662 INFO  L158              Benchmark]: Toolchain (without parser) took 1267.20ms. Allocated memory is still 234.9MB. Free memory was 156.3MB in the beginning and 102.2MB in the end (delta: 54.1MB). Peak memory consumption was 74.0MB. Max. memory is 33.6GB.
[2025-05-07 17:27:12,662 INFO  L158              Benchmark]: SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 173.2MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:12,662 INFO  L158              Benchmark]: ChcToBoogie took 25.78ms. Allocated memory is still 234.9MB. Free memory was 156.2MB in the beginning and 154.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:12,663 INFO  L158              Benchmark]: Boogie Preprocessor took 43.66ms. Allocated memory is still 234.9MB. Free memory was 154.2MB in the beginning and 151.4MB in the end (delta: 2.8MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:27:12,663 INFO  L158              Benchmark]: RCFGBuilder took 278.80ms. Allocated memory is still 234.9MB. Free memory was 151.4MB in the beginning and 128.9MB in the end (delta: 22.5MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:27:12,663 INFO  L158              Benchmark]: TraceAbstraction took 915.42ms. Allocated memory is still 234.9MB. Free memory was 128.3MB in the beginning and 102.2MB in the end (delta: 26.1MB). Peak memory consumption was 40.4MB. Max. memory is 33.6GB.
[2025-05-07 17:27:12,664 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 173.2MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 25.78ms. Allocated memory is still 234.9MB. Free memory was 156.2MB in the beginning and 154.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 43.66ms. Allocated memory is still 234.9MB. Free memory was 154.2MB in the beginning and 151.4MB in the end (delta: 2.8MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * RCFGBuilder took 278.80ms. Allocated memory is still 234.9MB. Free memory was 151.4MB in the beginning and 128.9MB in the end (delta: 22.5MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 915.42ms. Allocated memory is still 234.9MB. Free memory was 128.3MB in the beginning and 102.2MB in the end (delta: 26.1MB). Peak memory consumption was 40.4MB. 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: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 145 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 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, 184 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 17:27:12,675 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
