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


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:00,811 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:00,849 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37aeaa41-60ca-4894-889d-a0b648d68c31/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:00,851 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:00,852 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:00,864 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:00,865 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:00,865 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:00,865 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:00,865 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:00,865 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:00,865 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:00,866 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:00,866 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:00,866 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:00,866 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:00,867 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:00,867 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:01,047 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:01,055 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:01,057 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:01,058 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:01,058 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:01,059 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37aeaa41-60ca-4894-889d-a0b648d68c31/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/assignment_in_declaration.sol_0_no_adts_000.smt2
[2025-05-07 17:28:01,060 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:01,062 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:01,255 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37aeaa41-60ca-4894-889d-a0b648d68c31/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/assignment_in_declaration.sol_0_no_adts_000.smt2
[2025-05-07 17:28:01,258 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:01,259 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:01,260 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:01,260 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:01,260 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:01,263 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,292 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01 Unit
[2025-05-07 17:28:01,292 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:01,293 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:01,293 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:01,293 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:01,307 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,307 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,327 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,328 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,330 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,331 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,332 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,334 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,334 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,345 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:01,346 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:01,346 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:01,346 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:01,347 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (1/1) ...
[2025-05-07 17:28:01,349 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:01,359 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:01,368 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:01,370 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:01,377 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:01,377 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:01,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:01,377 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_3_0 given in one single declaration
[2025-05-07 17:28:01,377 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_3_0
[2025-05-07 17:28:01,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_3_0
[2025-05-07 17:28:01,377 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__14_15_0 given in one single declaration
[2025-05-07 17:28:01,377 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__14_15_0
[2025-05-07 17:28:01,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__14_15_0
[2025-05-07 17:28:01,377 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__14_15_0 given in one single declaration
[2025-05-07 17:28:01,377 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__14_15_0
[2025-05-07 17:28:01,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__14_15_0
[2025-05-07 17:28:01,377 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__14_15_0 given in one single declaration
[2025-05-07 17:28:01,378 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__14_15_0
[2025-05-07 17:28:01,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__14_15_0
[2025-05-07 17:28:01,378 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__14_15_0 given in one single declaration
[2025-05-07 17:28:01,378 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__14_15_0
[2025-05-07 17:28:01,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__14_15_0
[2025-05-07 17:28:01,378 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_13_15_0 given in one single declaration
[2025-05-07 17:28:01,378 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_13_15_0
[2025-05-07 17:28:01,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_13_15_0
[2025-05-07 17:28:01,378 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__14_15_0 given in one single declaration
[2025-05-07 17:28:01,378 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__14_15_0
[2025-05-07 17:28:01,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__14_15_0
[2025-05-07 17:28:01,378 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__14_15_0 given in one single declaration
[2025-05-07 17:28:01,378 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__14_15_0
[2025-05-07 17:28:01,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__14_15_0
[2025-05-07 17:28:01,378 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_15_0 given in one single declaration
[2025-05-07 17:28:01,378 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_15_0
[2025-05-07 17:28:01,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_15_0
[2025-05-07 17:28:01,378 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_15_0 given in one single declaration
[2025-05-07 17:28:01,379 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_15_0
[2025-05-07 17:28:01,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_15_0
[2025-05-07 17:28:01,379 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_10_C_15_0 given in one single declaration
[2025-05-07 17:28:01,379 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_10_C_15_0
[2025-05-07 17:28:01,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_10_C_15_0
[2025-05-07 17:28:01,379 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_12_C_15_0 given in one single declaration
[2025-05-07 17:28:01,379 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_12_C_15_0
[2025-05-07 17:28:01,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_12_C_15_0
[2025-05-07 17:28:01,379 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_11_C_15_0 given in one single declaration
[2025-05-07 17:28:01,379 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_11_C_15_0
[2025-05-07 17:28:01,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_11_C_15_0
[2025-05-07 17:28:01,379 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_13_C_15_0 given in one single declaration
[2025-05-07 17:28:01,379 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_13_C_15_0
[2025-05-07 17:28:01,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_13_C_15_0
[2025-05-07 17:28:01,379 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:01,379 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:01,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:01,468 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:01,470 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:01,607 INFO  L?                        ?]: Removed 111 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:01,607 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:01,615 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:01,615 INFO  L312             CfgBuilder]: Removed 7 assume(true) statements.
[2025-05-07 17:28:01,615 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:01 BoogieIcfgContainer
[2025-05-07 17:28:01,616 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:01,617 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:01,617 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:01,620 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:01,620 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:01" (1/3) ...
[2025-05-07 17:28:01,620 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1563acc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:01, skipping insertion in model container
[2025-05-07 17:28:01,620 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:01" (2/3) ...
[2025-05-07 17:28:01,621 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1563acc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:01, skipping insertion in model container
[2025-05-07 17:28:01,621 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:01" (3/3) ...
[2025-05-07 17:28:01,622 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:01,632 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:01,634 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 16 procedures, 62 locations, 89 edges, 16 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:01,662 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:01,670 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;@74bda5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:01,670 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:01,673 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 62 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 29 states have internal predecessors, (29), 19 states have call successors, (20), 15 states have call predecessors, (20), 15 states have return successors, (20), 17 states have call predecessors, (20), 19 states have call successors, (20)
[2025-05-07 17:28:01,679 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:01,679 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:01,679 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:01,680 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:01,683 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:01,683 INFO  L85        PathProgramCache]: Analyzing trace with hash -1744085288, now seen corresponding path program 1 times
[2025-05-07 17:28:01,689 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:01,689 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108264911]
[2025-05-07 17:28:01,689 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:01,689 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:01,733 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:01,783 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:01,783 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:01,783 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:01,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:01,847 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:01,847 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108264911]
[2025-05-07 17:28:01,848 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108264911] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:01,848 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:01,850 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:28:01,851 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234272183]
[2025-05-07 17:28:01,851 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:01,853 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:28:01,853 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:01,869 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:28:01,870 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:28:01,871 INFO  L87              Difference]: Start difference. First operand  has 62 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 29 states have internal predecessors, (29), 19 states have call successors, (20), 15 states have call predecessors, (20), 15 states have return successors, (20), 17 states have call predecessors, (20), 19 states have call successors, (20) 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 17:28:01,896 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:01,896 INFO  L93              Difference]: Finished difference Result 57 states and 62 transitions.
[2025-05-07 17:28:01,897 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:28:01,898 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 17:28:01,898 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:01,902 INFO  L225             Difference]: With dead ends: 57
[2025-05-07 17:28:01,903 INFO  L226             Difference]: Without dead ends: 56
[2025-05-07 17:28:01,904 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 17:28:01,906 INFO  L437           NwaCegarLoop]: 62 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, 62 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 17:28:01,906 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:01,921 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2025-05-07 17:28:01,943 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2025-05-07 17:28:01,944 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 17:28:01,948 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions.
[2025-05-07 17:28:01,949 INFO  L79                 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 51
[2025-05-07 17:28:01,950 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:01,951 INFO  L485      AbstractCegarLoop]: Abstraction has 56 states and 61 transitions.
[2025-05-07 17:28:01,951 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 17:28:01,951 INFO  L278                IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions.
[2025-05-07 17:28:01,953 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:01,953 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:01,953 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:01,953 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:01,953 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:01,954 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:01,954 INFO  L85        PathProgramCache]: Analyzing trace with hash 663874694, now seen corresponding path program 1 times
[2025-05-07 17:28:01,954 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:01,955 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464054401]
[2025-05-07 17:28:01,955 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:01,955 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:01,983 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:01,990 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:01,990 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:01,990 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:02,092 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:02,092 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:02,092 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464054401]
[2025-05-07 17:28:02,092 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464054401] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:02,092 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:02,092 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:02,092 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357349213]
[2025-05-07 17:28:02,092 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:02,093 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:02,093 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:02,094 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:02,094 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:02,094 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:28:02,108 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:02,108 INFO  L93              Difference]: Finished difference Result 60 states and 65 transitions.
[2025-05-07 17:28:02,109 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:02,109 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:28:02,110 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:02,111 INFO  L225             Difference]: With dead ends: 60
[2025-05-07 17:28:02,111 INFO  L226             Difference]: Without dead ends: 56
[2025-05-07 17:28:02,111 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:02,112 INFO  L437           NwaCegarLoop]: 61 mSDtfsCounter, 1 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 176 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 17:28:02,113 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 176 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:02,114 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2025-05-07 17:28:02,120 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54.
[2025-05-07 17:28:02,120 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 17:28:02,122 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions.
[2025-05-07 17:28:02,122 INFO  L79                 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 51
[2025-05-07 17:28:02,122 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:02,122 INFO  L485      AbstractCegarLoop]: Abstraction has 54 states and 56 transitions.
[2025-05-07 17:28:02,122 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:28:02,123 INFO  L278                IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions.
[2025-05-07 17:28:02,125 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:02,125 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:02,125 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:02,125 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:02,125 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:02,126 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:02,126 INFO  L85        PathProgramCache]: Analyzing trace with hash -2141049718, now seen corresponding path program 1 times
[2025-05-07 17:28:02,126 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:02,126 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181561478]
[2025-05-07 17:28:02,126 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:02,126 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:02,153 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:02,170 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:02,171 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:02,171 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:02,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:02,292 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:02,292 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181561478]
[2025-05-07 17:28:02,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181561478] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:02,292 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:02,292 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:02,292 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410935161]
[2025-05-07 17:28:02,292 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:02,293 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:02,293 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:02,293 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:02,293 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:02,294 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), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:28:02,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:02,358 INFO  L93              Difference]: Finished difference Result 48 states and 50 transitions.
[2025-05-07 17:28:02,358 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:02,358 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:28:02,359 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:02,359 INFO  L225             Difference]: With dead ends: 48
[2025-05-07 17:28:02,359 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:02,359 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 17:28:02,360 INFO  L437           NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:02,360 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 304 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:02,360 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:02,360 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:02,360 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:02,361 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:02,361 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:28:02,361 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:02,361 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:02,361 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:28:02,361 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:02,361 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:02,363 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:02,363 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:02,366 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:28:02,367 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:02,370 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:02 BoogieIcfgContainer
[2025-05-07 17:28:02,370 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:02,370 INFO  L158              Benchmark]: Toolchain (without parser) took 1111.27ms. Allocated memory is still 234.9MB. Free memory was 157.4MB in the beginning and 127.4MB in the end (delta: 30.0MB). Peak memory consumption was 40.7MB. Max. memory is 33.6GB.
[2025-05-07 17:28:02,370 INFO  L158              Benchmark]: SmtParser took 0.18ms. Allocated memory is still 234.9MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:02,371 INFO  L158              Benchmark]: ChcToBoogie took 32.37ms. Allocated memory is still 234.9MB. Free memory was 157.3MB in the beginning and 155.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:02,371 INFO  L158              Benchmark]: Boogie Preprocessor took 52.51ms. Allocated memory is still 234.9MB. Free memory was 155.4MB in the beginning and 152.7MB in the end (delta: 2.7MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:02,371 INFO  L158              Benchmark]: RCFGBuilder took 269.65ms. Allocated memory is still 234.9MB. Free memory was 152.7MB in the beginning and 132.8MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:02,371 INFO  L158              Benchmark]: TraceAbstraction took 752.62ms. Allocated memory is still 234.9MB. Free memory was 132.2MB in the beginning and 127.4MB in the end (delta: 4.8MB). Peak memory consumption was 7.1MB. Max. memory is 33.6GB.
[2025-05-07 17:28:02,372 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.18ms. Allocated memory is still 234.9MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 32.37ms. Allocated memory is still 234.9MB. Free memory was 157.3MB in the beginning and 155.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 52.51ms. Allocated memory is still 234.9MB. Free memory was 155.4MB in the beginning and 152.7MB in the end (delta: 2.7MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * RCFGBuilder took 269.65ms. Allocated memory is still 234.9MB. Free memory was 152.7MB in the beginning and 132.8MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 752.62ms. Allocated memory is still 234.9MB. Free memory was 132.2MB in the beginning and 127.4MB in the end (delta: 4.8MB). Peak memory consumption was 7.1MB. 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 16 procedures, 62 locations, 89 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 542 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 169 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred 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, 0.3s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:28:02,383 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
