./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/bytes_2_fail.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:26:21,014 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:26:21,069 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aae523f-4880-4a87-9ef2-7ab50f7aa59c/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:26:21,074 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:26:21,074 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:26:21,093 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:26:21,094 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:26:21,094 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:26:21,094 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:26:21,094 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:26:21,095 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:26:21,095 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:26:21,095 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:26:21,095 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:26:21,095 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:26:21,095 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:26:21,095 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:26:21,095 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:26:21,096 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:21,096 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:26:21,096 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:26:21,096 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:26:21,096 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:26:21,096 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:26:21,096 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:26:21,097 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:26:21,097 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:26:21,292 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:26:21,299 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:26:21,301 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:26:21,302 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:26:21,302 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:26:21,303 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aae523f-4880-4a87-9ef2-7ab50f7aa59c/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/bytes_2_fail.sol_0_no_adts_000.smt2
[2025-05-07 17:26:21,304 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:26:21,307 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:26:21,573 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aae523f-4880-4a87-9ef2-7ab50f7aa59c/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/bytes_2_fail.sol_0_no_adts_000.smt2
[2025-05-07 17:26:21,576 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:26:21,577 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:26:21,577 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:26:21,577 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:26:21,578 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:26:21,579 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,608 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21 Unit
[2025-05-07 17:26:21,608 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:26:21,609 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:26:21,609 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:26:21,609 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:26:21,620 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,620 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,641 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,641 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,645 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,645 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,647 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,648 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,649 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,659 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:26:21,660 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:26:21,660 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:26:21,660 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:26:21,661 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (1/1) ...
[2025-05-07 17:26:21,663 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:21,672 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:21,680 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 17:26:21,683 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 17:26:21,693 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:26:21,693 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:26:21,693 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:26:21,693 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_6_0 given in one single declaration
[2025-05-07 17:26:21,693 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_6_0
[2025-05-07 17:26:21,693 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_6_0
[2025-05-07 17:26:21,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_35_0 given in one single declaration
[2025-05-07 17:26:21,694 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_35_0
[2025-05-07 17:26:21,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_35_0
[2025-05-07 17:26:21,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_35_0 given in one single declaration
[2025-05-07 17:26:21,694 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_35_0
[2025-05-07 17:26:21,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_35_0
[2025-05-07 17:26:21,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_15_C_35_0 given in one single declaration
[2025-05-07 17:26:21,694 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_15_C_35_0
[2025-05-07 17:26:21,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_15_C_35_0
[2025-05-07 17:26:21,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_12_C_35_0 given in one single declaration
[2025-05-07 17:26:21,694 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_12_C_35_0
[2025-05-07 17:26:21,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_12_C_35_0
[2025-05-07 17:26:21,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_14_C_35_0 given in one single declaration
[2025-05-07 17:26:21,695 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_14_C_35_0
[2025-05-07 17:26:21,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_14_C_35_0
[2025-05-07 17:26:21,695 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_13_C_35_0 given in one single declaration
[2025-05-07 17:26:21,695 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_13_C_35_0
[2025-05-07 17:26:21,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_13_C_35_0
[2025-05-07 17:26:21,695 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__34_35_0 given in one single declaration
[2025-05-07 17:26:21,695 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__34_35_0
[2025-05-07 17:26:21,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__34_35_0
[2025-05-07 17:26:21,695 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__34_35_0 given in one single declaration
[2025-05-07 17:26:21,695 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__34_35_0
[2025-05-07 17:26:21,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__34_35_0
[2025-05-07 17:26:21,695 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__34_35_0 given in one single declaration
[2025-05-07 17:26:21,695 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__34_35_0
[2025-05-07 17:26:21,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__34_35_0
[2025-05-07 17:26:21,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_33_35_0 given in one single declaration
[2025-05-07 17:26:21,696 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_33_35_0
[2025-05-07 17:26:21,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_33_35_0
[2025-05-07 17:26:21,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__34_35_0 given in one single declaration
[2025-05-07 17:26:21,696 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__34_35_0
[2025-05-07 17:26:21,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__34_35_0
[2025-05-07 17:26:21,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__34_35_0 given in one single declaration
[2025-05-07 17:26:21,696 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__34_35_0
[2025-05-07 17:26:21,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__34_35_0
[2025-05-07 17:26:21,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__34_35_0 given in one single declaration
[2025-05-07 17:26:21,696 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__34_35_0
[2025-05-07 17:26:21,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__34_35_0
[2025-05-07 17:26:21,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__34_35_0 given in one single declaration
[2025-05-07 17:26:21,697 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__34_35_0
[2025-05-07 17:26:21,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__34_35_0
[2025-05-07 17:26:21,697 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__34_35_0 given in one single declaration
[2025-05-07 17:26:21,697 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__34_35_0
[2025-05-07 17:26:21,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__34_35_0
[2025-05-07 17:26:21,697 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:26:21,697 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:26:21,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:26:21,824 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:26:21,826 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:26:22,031 INFO  L?                        ?]: Removed 185 outVars from TransFormulas that were not future-live.
[2025-05-07 17:26:22,031 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:26:22,039 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:26:22,039 INFO  L312             CfgBuilder]: Removed 9 assume(true) statements.
[2025-05-07 17:26:22,039 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:22 BoogieIcfgContainer
[2025-05-07 17:26:22,039 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:26:22,040 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:26:22,041 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:26:22,043 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:26:22,043 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:21" (1/3) ...
[2025-05-07 17:26:22,044 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2509b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:26:22, skipping insertion in model container
[2025-05-07 17:26:22,044 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:21" (2/3) ...
[2025-05-07 17:26:22,044 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2509b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:26:22, skipping insertion in model container
[2025-05-07 17:26:22,044 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:22" (3/3) ...
[2025-05-07 17:26:22,045 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:26:22,054 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:26:22,056 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 18 procedures, 70 locations, 105 edges, 18 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:26:22,084 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:26:22,092 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;@537e475d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:26:22,092 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:26:22,095 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 70 states, 30 states have (on average 1.1) internal successors, (33), 33 states have internal predecessors, (33), 21 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (24), 19 states have call predecessors, (24), 21 states have call successors, (24)
[2025-05-07 17:26:22,100 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:22,101 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:22,101 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 17:26:22,101 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:22,105 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:22,105 INFO  L85        PathProgramCache]: Analyzing trace with hash -1685921943, now seen corresponding path program 1 times
[2025-05-07 17:26:22,110 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:22,110 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362797299]
[2025-05-07 17:26:22,110 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:22,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:22,152 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:22,203 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:22,203 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:22,204 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:22,436 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 17:26:22,437 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:22,437 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362797299]
[2025-05-07 17:26:22,437 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362797299] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:22,437 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:22,440 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:26:22,441 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61603188]
[2025-05-07 17:26:22,442 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:22,461 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:26:22,461 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:22,486 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:26:22,486 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:26:22,489 INFO  L87              Difference]: Start difference. First operand  has 70 states, 30 states have (on average 1.1) internal successors, (33), 33 states have internal predecessors, (33), 21 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (24), 19 states have call predecessors, (24), 21 states have call successors, (24) Second operand  has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:22,552 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:22,552 INFO  L93              Difference]: Finished difference Result 66 states and 73 transitions.
[2025-05-07 17:26:22,554 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:26:22,555 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:26:22,556 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:22,563 INFO  L225             Difference]: With dead ends: 66
[2025-05-07 17:26:22,563 INFO  L226             Difference]: Without dead ends: 60
[2025-05-07 17:26:22,565 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:26:22,568 INFO  L437           NwaCegarLoop]: 67 mSDtfsCounter, 1 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:22,569 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 255 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:22,583 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2025-05-07 17:26:22,602 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58.
[2025-05-07 17:26:22,604 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 17:26:22,607 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions.
[2025-05-07 17:26:22,608 INFO  L79                 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 51
[2025-05-07 17:26:22,609 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:22,609 INFO  L485      AbstractCegarLoop]: Abstraction has 58 states and 62 transitions.
[2025-05-07 17:26:22,609 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:22,609 INFO  L278                IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions.
[2025-05-07 17:26:22,611 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:22,611 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:22,611 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 17:26:22,612 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:26:22,612 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:22,612 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:22,613 INFO  L85        PathProgramCache]: Analyzing trace with hash -1112225825, now seen corresponding path program 1 times
[2025-05-07 17:26:22,613 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:22,613 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649271099]
[2025-05-07 17:26:22,613 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:22,613 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:22,643 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:22,669 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:22,669 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:22,669 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:22,933 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 17:26:22,933 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:22,933 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649271099]
[2025-05-07 17:26:22,933 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649271099] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:22,933 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:22,933 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2025-05-07 17:26:22,933 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634247149]
[2025-05-07 17:26:22,933 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:22,934 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-05-07 17:26:22,934 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:22,935 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-05-07 17:26:22,935 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:26:22,935 INFO  L87              Difference]: Start difference. First operand 58 states and 62 transitions. Second operand  has 9 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 9 states have internal predecessors, (23), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14)
[2025-05-07 17:26:23,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:23,036 INFO  L93              Difference]: Finished difference Result 62 states and 66 transitions.
[2025-05-07 17:26:23,037 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2025-05-07 17:26:23,037 INFO  L79                 Accepts]: Start accepts. Automaton has  has 9 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 9 states have internal predecessors, (23), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) Word has length 51
[2025-05-07 17:26:23,037 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:23,038 INFO  L225             Difference]: With dead ends: 62
[2025-05-07 17:26:23,039 INFO  L226             Difference]: Without dead ends: 62
[2025-05-07 17:26:23,039 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:26:23,040 INFO  L437           NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:23,040 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 391 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:23,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2025-05-07 17:26:23,046 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2025-05-07 17:26:23,046 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 62 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 17 states have call successors, (18), 15 states have call predecessors, (18), 17 states have return successors, (20), 18 states have call predecessors, (20), 17 states have call successors, (20)
[2025-05-07 17:26:23,047 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions.
[2025-05-07 17:26:23,047 INFO  L79                 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 51
[2025-05-07 17:26:23,048 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:23,048 INFO  L485      AbstractCegarLoop]: Abstraction has 62 states and 66 transitions.
[2025-05-07 17:26:23,048 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 9 states have internal predecessors, (23), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14)
[2025-05-07 17:26:23,048 INFO  L278                IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions.
[2025-05-07 17:26:23,049 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:23,049 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:23,049 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 17:26:23,050 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:26:23,050 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:23,050 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:23,050 INFO  L85        PathProgramCache]: Analyzing trace with hash -956791579, now seen corresponding path program 1 times
[2025-05-07 17:26:23,050 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:23,051 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542191746]
[2025-05-07 17:26:23,051 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:23,051 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:23,072 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:23,083 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:23,083 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:23,083 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:23,160 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 17:26:23,160 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:23,160 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542191746]
[2025-05-07 17:26:23,160 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542191746] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:23,160 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:23,160 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:23,161 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918328516]
[2025-05-07 17:26:23,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:23,161 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:23,161 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:23,162 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:23,162 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:23,162 INFO  L87              Difference]: Start difference. First operand 62 states and 66 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), 5 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:23,189 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:23,189 INFO  L93              Difference]: Finished difference Result 32 states and 32 transitions.
[2025-05-07 17:26:23,189 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:23,189 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), 5 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:26:23,190 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:23,190 INFO  L225             Difference]: With dead ends: 32
[2025-05-07 17:26:23,190 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:26:23,190 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 17:26:23,191 INFO  L437           NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:23,191 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:23,192 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:26:23,192 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:26:23,192 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 17:26:23,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:26:23,192 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:26:23,192 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:23,193 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:26:23,193 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), 5 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:23,193 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:26:23,193 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:26:23,195 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:26:23,196 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:26:23,199 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:26:23,201 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:26:23,204 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:26:23 BoogieIcfgContainer
[2025-05-07 17:26:23,204 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:26:23,204 INFO  L158              Benchmark]: Toolchain (without parser) took 1627.62ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 77.5MB in the end (delta: 72.1MB). Peak memory consumption was 76.6MB. Max. memory is 33.6GB.
[2025-05-07 17:26:23,205 INFO  L158              Benchmark]: SmtParser took 0.29ms. Allocated memory is still 234.9MB. Free memory is still 172.1MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:23,205 INFO  L158              Benchmark]: ChcToBoogie took 30.99ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 146.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:23,205 INFO  L158              Benchmark]: Boogie Preprocessor took 50.78ms. Allocated memory is still 234.9MB. Free memory was 146.8MB in the beginning and 143.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:23,205 INFO  L158              Benchmark]: RCFGBuilder took 379.20ms. Allocated memory is still 234.9MB. Free memory was 143.7MB in the beginning and 186.9MB in the end (delta: -43.2MB). Peak memory consumption was 42.7MB. Max. memory is 33.6GB.
[2025-05-07 17:26:23,206 INFO  L158              Benchmark]: TraceAbstraction took 1163.42ms. Allocated memory is still 234.9MB. Free memory was 186.5MB in the beginning and 77.5MB in the end (delta: 108.9MB). Peak memory consumption was 101.1MB. Max. memory is 33.6GB.
[2025-05-07 17:26:23,207 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.29ms. Allocated memory is still 234.9MB. Free memory is still 172.1MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 30.99ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 146.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 50.78ms. Allocated memory is still 234.9MB. Free memory was 146.8MB in the beginning and 143.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 379.20ms. Allocated memory is still 234.9MB. Free memory was 143.7MB in the beginning and 186.9MB in the end (delta: -43.2MB). Peak memory consumption was 42.7MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1163.42ms. Allocated memory is still 234.9MB. Free memory was 186.5MB in the beginning and 77.5MB in the end (delta: 108.9MB). Peak memory consumption was 101.1MB. 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 18 procedures, 70 locations, 105 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 787 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 631 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 156 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 0.6s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 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 17:26:23,221 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
