./chc-comp-wrapper.sh ../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-207.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-04-28 21:21:31,643 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-04-28 21:21:31,742 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd413896-1cd8-4fce-90be-cbcbf161c72b/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-04-28 21:21:31,750 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-04-28 21:21:31,751 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-04-28 21:21:31,784 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-04-28 21:21:31,785 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-04-28 21:21:31,785 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-04-28 21:21:31,786 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-04-28 21:21:31,787 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-04-28 21:21:31,788 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-04-28 21:21:31,788 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-04-28 21:21:31,788 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-04-28 21:21:31,788 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-04-28 21:21:31,788 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-04-28 21:21:31,789 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-04-28 21:21:31,789 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-04-28 21:21:31,789 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-04-28 21:21:31,789 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:31,789 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-04-28 21:21:31,789 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-04-28 21:21:31,789 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-04-28 21:21:31,789 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-04-28 21:21:31,789 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-04-28 21:21:31,789 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-04-28 21:21:31,790 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-04-28 21:21:31,790 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-04-28 21:21:32,159 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-04-28 21:21:32,173 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-04-28 21:21:32,176 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-04-28 21:21:32,179 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-04-28 21:21:32,179 INFO  L274        PluginConnector]: SmtParser initialized
[2025-04-28 21:21:32,181 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd413896-1cd8-4fce-90be-cbcbf161c72b/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-207.smt2
[2025-04-28 21:21:32,182 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-04-28 21:21:32,187 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-04-28 21:21:32,702 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd413896-1cd8-4fce-90be-cbcbf161c72b/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-207.smt2
[2025-04-28 21:21:32,709 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-04-28 21:21:32,710 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-04-28 21:21:32,713 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-04-28 21:21:32,713 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-04-28 21:21:32,713 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-04-28 21:21:32,720 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,753 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32 Unit
[2025-04-28 21:21:32,753 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-04-28 21:21:32,754 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-04-28 21:21:32,754 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-04-28 21:21:32,755 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-04-28 21:21:32,773 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,773 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,816 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,816 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,831 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,833 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,839 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,846 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,847 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,875 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-04-28 21:21:32,876 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-04-28 21:21:32,879 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-04-28 21:21:32,879 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-04-28 21:21:32,880 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (1/1) ...
[2025-04-28 21:21:32,883 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:32,904 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:32,919 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)
[2025-04-28 21:21:32,923 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-04-28 21:21:32,940 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-04-28 21:21:32,940 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-04-28 21:21:32,940 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-04-28 21:21:32,941 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure CHC_COMP_FALSE given in one single declaration
[2025-04-28 21:21:32,941 INFO  L130     BoogieDeclarations]: Found specification of procedure CHC_COMP_FALSE
[2025-04-28 21:21:32,941 INFO  L138     BoogieDeclarations]: Found implementation of procedure CHC_COMP_FALSE
[2025-04-28 21:21:32,941 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure step_lturn given in one single declaration
[2025-04-28 21:21:32,941 INFO  L130     BoogieDeclarations]: Found specification of procedure step_lturn
[2025-04-28 21:21:32,941 INFO  L138     BoogieDeclarations]: Found implementation of procedure step_lturn
[2025-04-28 21:21:32,942 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure combined_lturn given in one single declaration
[2025-04-28 21:21:32,942 INFO  L130     BoogieDeclarations]: Found specification of procedure combined_lturn
[2025-04-28 21:21:32,942 INFO  L138     BoogieDeclarations]: Found implementation of procedure combined_lturn
[2025-04-28 21:21:32,943 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure lturn given in one single declaration
[2025-04-28 21:21:32,943 INFO  L130     BoogieDeclarations]: Found specification of procedure lturn
[2025-04-28 21:21:32,943 INFO  L138     BoogieDeclarations]: Found implementation of procedure lturn
[2025-04-28 21:21:32,943 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-04-28 21:21:32,943 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-04-28 21:21:32,944 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-04-28 21:21:33,002 INFO  L234             CfgBuilder]: Building ICFG
[2025-04-28 21:21:33,004 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-04-28 21:21:33,573 INFO  L?                        ?]: Removed 0 outVars from TransFormulas that were not future-live.
[2025-04-28 21:21:33,573 INFO  L283             CfgBuilder]: Performing block encoding
[2025-04-28 21:21:33,598 INFO  L304             CfgBuilder]: Using library mode
[2025-04-28 21:21:33,601 INFO  L312             CfgBuilder]: Removed 7 assume(true) statements.
[2025-04-28 21:21:33,601 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:33 BoogieIcfgContainer
[2025-04-28 21:21:33,602 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-04-28 21:21:33,604 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-04-28 21:21:33,607 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-04-28 21:21:33,612 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-04-28 21:21:33,612 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:32" (1/3) ...
[2025-04-28 21:21:33,613 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d64f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 28.04 09:21:33, skipping insertion in model container
[2025-04-28 21:21:33,613 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:32" (2/3) ...
[2025-04-28 21:21:33,614 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d64f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:21:33, skipping insertion in model container
[2025-04-28 21:21:33,614 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:33" (3/3) ...
[2025-04-28 21:21:33,616 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-04-28 21:21:33,634 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-04-28 21:21:33,637 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 6 procedures, 142 locations, 431 edges, 6 initial locations, 0 loop locations, and 1 error locations.
[2025-04-28 21:21:33,702 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-04-28 21:21:33,715 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;@719da924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-04-28 21:21:33,715 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-04-28 21:21:33,720 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 142 states, 10 states have (on average 4.1) internal successors, (41), 36 states have internal predecessors, (41), 128 states have call successors, (130), 5 states have call predecessors, (130), 5 states have return successors, (130), 102 states have call predecessors, (130), 128 states have call successors, (130)
[2025-04-28 21:21:33,757 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2025-04-28 21:21:33,757 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:33,758 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:33,759 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:33,796 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:33,797 INFO  L85        PathProgramCache]: Analyzing trace with hash -1848030878, now seen corresponding path program 1 times
[2025-04-28 21:21:33,803 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:33,803 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074056854]
[2025-04-28 21:21:33,804 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:33,804 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:33,844 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes.
[2025-04-28 21:21:33,914 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements.
[2025-04-28 21:21:33,914 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:33,914 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:34,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:34,410 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:34,410 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074056854]
[2025-04-28 21:21:34,411 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074056854] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:34,411 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:34,414 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-04-28 21:21:34,416 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631002801]
[2025-04-28 21:21:34,417 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:34,457 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:34,457 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:34,497 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:34,501 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:34,505 INFO  L87              Difference]: Start difference. First operand  has 142 states, 10 states have (on average 4.1) internal successors, (41), 36 states have internal predecessors, (41), 128 states have call successors, (130), 5 states have call predecessors, (130), 5 states have return successors, (130), 102 states have call predecessors, (130), 128 states have call successors, (130) Second operand  has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 1 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5)
[2025-04-28 21:21:36,517 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:36,517 INFO  L93              Difference]: Finished difference Result 221 states and 647 transitions.
[2025-04-28 21:21:36,518 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:36,519 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 1 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 18
[2025-04-28 21:21:36,520 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:36,552 INFO  L225             Difference]: With dead ends: 221
[2025-04-28 21:21:36,552 INFO  L226             Difference]: Without dead ends: 221
[2025-04-28 21:21:36,554 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
[2025-04-28 21:21:36,557 INFO  L437           NwaCegarLoop]: 295 mSDtfsCounter, 17 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:36,558 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1269 Invalid, 1054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-04-28 21:21:36,573 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 221 states.
[2025-04-28 21:21:36,774 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 219.
[2025-04-28 21:21:36,776 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 219 states, 14 states have (on average 4.642857142857143) internal successors, (65), 53 states have internal predecessors, (65), 201 states have call successors, (204), 8 states have call predecessors, (204), 8 states have return successors, (376), 159 states have call predecessors, (376), 201 states have call successors, (376)
[2025-04-28 21:21:36,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 645 transitions.
[2025-04-28 21:21:36,791 INFO  L79                 Accepts]: Start accepts. Automaton has 219 states and 645 transitions. Word has length 18
[2025-04-28 21:21:36,793 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:36,793 INFO  L485      AbstractCegarLoop]: Abstraction has 219 states and 645 transitions.
[2025-04-28 21:21:36,793 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 1 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5)
[2025-04-28 21:21:36,793 INFO  L278                IsEmpty]: Start isEmpty. Operand 219 states and 645 transitions.
[2025-04-28 21:21:36,814 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2025-04-28 21:21:36,814 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:36,815 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:36,815 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-04-28 21:21:36,815 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:36,817 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:36,817 INFO  L85        PathProgramCache]: Analyzing trace with hash -870106935, now seen corresponding path program 1 times
[2025-04-28 21:21:36,817 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:36,817 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337695966]
[2025-04-28 21:21:36,818 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:36,818 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:36,826 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes.
[2025-04-28 21:21:36,839 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements.
[2025-04-28 21:21:36,839 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:36,839 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-04-28 21:21:36,839 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-04-28 21:21:36,843 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes.
[2025-04-28 21:21:36,855 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements.
[2025-04-28 21:21:36,855 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:36,855 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-04-28 21:21:36,886 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-04-28 21:21:36,886 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-04-28 21:21:36,888 INFO  L790   garLoopResultBuilder]: Registering result UNSAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-04-28 21:21:36,890 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-04-28 21:21:36,892 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2025-04-28 21:21:36,905 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-04-28 21:21:36,909 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:21:36 BoogieIcfgContainer
[2025-04-28 21:21:36,909 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-04-28 21:21:36,910 INFO  L158              Benchmark]: Toolchain (without parser) took 4199.55ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 186.1MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:36,910 INFO  L158              Benchmark]: SmtParser took 0.41ms. Allocated memory is still 234.9MB. Free memory is still 169.8MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:36,910 INFO  L158              Benchmark]: ChcToBoogie took 40.89ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 142.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:36,911 INFO  L158              Benchmark]: Boogie Preprocessor took 120.80ms. Allocated memory is still 234.9MB. Free memory was 142.6MB in the beginning and 139.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:36,911 INFO  L158              Benchmark]: RCFGBuilder took 725.68ms. Allocated memory is still 234.9MB. Free memory was 139.9MB in the beginning and 90.9MB in the end (delta: 49.0MB). Peak memory consumption was 50.3MB. Max. memory is 33.6GB.
[2025-04-28 21:21:36,911 INFO  L158              Benchmark]: TraceAbstraction took 3304.63ms. Allocated memory is still 234.9MB. Free memory was 90.2MB in the beginning and 186.1MB in the end (delta: -95.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:36,913 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.41ms. Allocated memory is still 234.9MB. Free memory is still 169.8MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 40.89ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 142.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 120.80ms. Allocated memory is still 234.9MB. Free memory was 142.6MB in the beginning and 139.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 725.68ms. Allocated memory is still 234.9MB. Free memory was 139.9MB in the beginning and 90.9MB in the end (delta: 49.0MB). Peak memory consumption was 50.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 3304.63ms. Allocated memory is still 234.9MB. Free memory was 90.2MB in the beginning and 186.1MB in the end (delta: -95.8MB). There was no memory consumed. 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
  - CounterExampleResult [Unknown line] : the set of constraint Horn clauses is unsatisfiable
    the set of constraint Horn clauses is unsatisfiable
We found a FailurePath: 
[L0]  CALL  call False();
[L0]  CALL  call CHC_COMP_FALSE();
[L0]  CALL  call step_lturn(hbv_CHC_COMP_FALSE_J_1, hbv_CHC_COMP_FALSE_v_15_2, hbv_CHC_COMP_FALSE_v_14_3, hbv_CHC_COMP_FALSE_v_13_4, hbv_CHC_COMP_FALSE_A_5, hbv_CHC_COMP_FALSE_B_6, hbv_CHC_COMP_FALSE_C_7, hbv_CHC_COMP_FALSE_D_8, hbv_CHC_COMP_FALSE_E_9, hbv_CHC_COMP_FALSE_F_10, hbv_CHC_COMP_FALSE_G_11, hbv_CHC_COMP_FALSE_M_12);
      VAL   [hhv_step_lturn_A_1=1, hhv_step_lturn_B_2=2, hhv_step_lturn_C_3=0, hhv_step_lturn_D_4=0, hhv_step_lturn_E_5=0, hhv_step_lturn_F_6=0, hhv_step_lturn_G_7=2, hhv_step_lturn_H_8=0, hhv_step_lturn_I_9=1, hhv_step_lturn_J_10=0, hhv_step_lturn_K_11=3, hhv_step_lturn_L_0=0]
[L0]        assume ((((((((((((((((((((((((!(hhv_step_lturn_B_2 < hhv_step_lturn_I_9 + 1) && !(hhv_step_lturn_B_2 < 2 + hhv_step_lturn_L_0)) && !(hhv_step_lturn_B_2 < 2 + hhv_step_lturn_F_6)) && !(hhv_step_lturn_A_1 < hhv_step_lturn_I_9)) && !(hhv_step_lturn_B_2 < 2 + hhv_step_lturn_J_10)) && !(hhv_step_lturn_L_0 < hhv_step_lturn_F_6)) && !(hhv_step_lturn_I_9 < hhv_step_lturn_L_0 + 1)) && !(hhv_step_lturn_G_7 < hhv_step_lturn_B_2)) && !(hhv_step_lturn_J_10 < hhv_step_lturn_F_6)) && !(hhv_step_lturn_A_1 < hhv_step_lturn_L_0 + 1)) && !(hhv_step_lturn_I_9 < hhv_step_lturn_F_6 + 1)) && !(hhv_step_lturn_A_1 < hhv_step_lturn_J_10 + 1)) && !(hhv_step_lturn_H_8 < hhv_step_lturn_C_3)) && !(hhv_step_lturn_E_5 < hhv_step_lturn_D_4)) && !(hhv_step_lturn_I_9 < hhv_step_lturn_J_10 + 1)) && !(hhv_step_lturn_G_7 < hhv_step_lturn_A_1 + 1)) && !(hhv_step_lturn_G_7 < 2 + hhv_step_lturn_F_6)) && !(hhv_step_lturn_J_10 < hhv_step_lturn_L_0)) && !(hhv_step_lturn_L_0 < hhv_step_lturn_J_10)) && !(hhv_step_lturn_A_1 < hhv_step_lturn_F_6 + 1)) && !(hhv_step_lturn_B_2 < hhv_step_lturn_A_1 + 1)) && !(hhv_step_lturn_G_7 < 2 + hhv_step_lturn_J_10)) && !(hhv_step_lturn_C_3 < hhv_step_lturn_H_8)) && !(hhv_step_lturn_I_9 < hhv_step_lturn_A_1)) && !(hhv_step_lturn_G_7 < hhv_step_lturn_I_9 + 1)) && !(hhv_step_lturn_G_7 < 2 + hhv_step_lturn_L_0);
      VAL   [hhv_step_lturn_A_1=1, hhv_step_lturn_B_2=2, hhv_step_lturn_C_3=0, hhv_step_lturn_D_4=0, hhv_step_lturn_E_5=0, hhv_step_lturn_F_6=0, hhv_step_lturn_G_7=2, hhv_step_lturn_H_8=0, hhv_step_lturn_I_9=1, hhv_step_lturn_J_10=0, hhv_step_lturn_K_11=3, hhv_step_lturn_L_0=0]
[L0]  RET   call step_lturn(hbv_CHC_COMP_FALSE_J_1, hbv_CHC_COMP_FALSE_v_15_2, hbv_CHC_COMP_FALSE_v_14_3, hbv_CHC_COMP_FALSE_v_13_4, hbv_CHC_COMP_FALSE_A_5, hbv_CHC_COMP_FALSE_B_6, hbv_CHC_COMP_FALSE_C_7, hbv_CHC_COMP_FALSE_D_8, hbv_CHC_COMP_FALSE_E_9, hbv_CHC_COMP_FALSE_F_10, hbv_CHC_COMP_FALSE_G_11, hbv_CHC_COMP_FALSE_M_12);
      VAL   [hbv_CHC_COMP_FALSE_A_5=0, hbv_CHC_COMP_FALSE_B_6=0, hbv_CHC_COMP_FALSE_C_7=0, hbv_CHC_COMP_FALSE_D_8=2, hbv_CHC_COMP_FALSE_E_9=0, hbv_CHC_COMP_FALSE_F_10=1, hbv_CHC_COMP_FALSE_G_11=0, hbv_CHC_COMP_FALSE_J_1=0, hbv_CHC_COMP_FALSE_M_12=3, hbv_CHC_COMP_FALSE_v_13_4=0, hbv_CHC_COMP_FALSE_v_14_3=2, hbv_CHC_COMP_FALSE_v_15_2=1]
[L0]  CALL  call combined_lturn(hbv_CHC_COMP_FALSE_J_1, hbv_CHC_COMP_FALSE_v_15_2, hbv_CHC_COMP_FALSE_v_14_3, hbv_CHC_COMP_FALSE_v_13_4, hbv_CHC_COMP_FALSE_A_5, hbv_CHC_COMP_FALSE_B_6, hbv_CHC_COMP_FALSE_C_7, hbv_CHC_COMP_FALSE_D_8, hbv_CHC_COMP_FALSE_E_9, hbv_CHC_COMP_FALSE_G_11, hbv_CHC_COMP_FALSE_F_10, hbv_CHC_COMP_FALSE_M_12);
      VAL   [hhv_combined_lturn_A_1=1, hhv_combined_lturn_B_2=2, hhv_combined_lturn_C_3=0, hhv_combined_lturn_D_4=0, hhv_combined_lturn_E_5=0, hhv_combined_lturn_F_6=0, hhv_combined_lturn_G_7=2, hhv_combined_lturn_H_8=0, hhv_combined_lturn_I_9=0, hhv_combined_lturn_J_10=1, hhv_combined_lturn_K_11=3, hhv_combined_lturn_L_0=0]
[L0]  CALL  call step_lturn(hhv_combined_lturn_L_0, hhv_combined_lturn_A_1, hhv_combined_lturn_B_2, hhv_combined_lturn_C_3, hhv_combined_lturn_D_4, hhv_combined_lturn_E_5, hhv_combined_lturn_F_6, hhv_combined_lturn_G_7, hhv_combined_lturn_H_8, hhv_combined_lturn_I_9, hhv_combined_lturn_J_10, hhv_combined_lturn_K_11);
      VAL   [hhv_step_lturn_A_1=1, hhv_step_lturn_B_2=2, hhv_step_lturn_C_3=0, hhv_step_lturn_D_4=0, hhv_step_lturn_E_5=0, hhv_step_lturn_F_6=0, hhv_step_lturn_G_7=2, hhv_step_lturn_H_8=0, hhv_step_lturn_I_9=0, hhv_step_lturn_J_10=1, hhv_step_lturn_K_11=3, hhv_step_lturn_L_0=0]
[L0]  CALL  call step_lturn(hhv_step_lturn_L_0, hhv_step_lturn_A_1, hhv_step_lturn_B_2, hhv_step_lturn_C_3, hhv_step_lturn_D_4, hhv_step_lturn_E_5, hhv_step_lturn_F_6, hhv_step_lturn_G_7, hhv_step_lturn_I_9, hhv_step_lturn_J_10, hhv_step_lturn_H_8, hhv_step_lturn_K_11);
      VAL   [hhv_step_lturn_A_1=1, hhv_step_lturn_B_2=2, hhv_step_lturn_C_3=0, hhv_step_lturn_D_4=0, hhv_step_lturn_E_5=0, hhv_step_lturn_F_6=0, hhv_step_lturn_G_7=2, hhv_step_lturn_H_8=0, hhv_step_lturn_I_9=1, hhv_step_lturn_J_10=0, hhv_step_lturn_K_11=3, hhv_step_lturn_L_0=0]
[L0]        assume ((((((((((((((((((((((((!(hhv_step_lturn_B_2 < hhv_step_lturn_I_9 + 1) && !(hhv_step_lturn_B_2 < 2 + hhv_step_lturn_L_0)) && !(hhv_step_lturn_B_2 < 2 + hhv_step_lturn_F_6)) && !(hhv_step_lturn_A_1 < hhv_step_lturn_I_9)) && !(hhv_step_lturn_B_2 < 2 + hhv_step_lturn_J_10)) && !(hhv_step_lturn_L_0 < hhv_step_lturn_F_6)) && !(hhv_step_lturn_I_9 < hhv_step_lturn_L_0 + 1)) && !(hhv_step_lturn_G_7 < hhv_step_lturn_B_2)) && !(hhv_step_lturn_J_10 < hhv_step_lturn_F_6)) && !(hhv_step_lturn_A_1 < hhv_step_lturn_L_0 + 1)) && !(hhv_step_lturn_I_9 < hhv_step_lturn_F_6 + 1)) && !(hhv_step_lturn_A_1 < hhv_step_lturn_J_10 + 1)) && !(hhv_step_lturn_H_8 < hhv_step_lturn_C_3)) && !(hhv_step_lturn_E_5 < hhv_step_lturn_D_4)) && !(hhv_step_lturn_I_9 < hhv_step_lturn_J_10 + 1)) && !(hhv_step_lturn_G_7 < hhv_step_lturn_A_1 + 1)) && !(hhv_step_lturn_G_7 < 2 + hhv_step_lturn_F_6)) && !(hhv_step_lturn_J_10 < hhv_step_lturn_L_0)) && !(hhv_step_lturn_L_0 < hhv_step_lturn_J_10)) && !(hhv_step_lturn_A_1 < hhv_step_lturn_F_6 + 1)) && !(hhv_step_lturn_B_2 < hhv_step_lturn_A_1 + 1)) && !(hhv_step_lturn_G_7 < 2 + hhv_step_lturn_J_10)) && !(hhv_step_lturn_C_3 < hhv_step_lturn_H_8)) && !(hhv_step_lturn_I_9 < hhv_step_lturn_A_1)) && !(hhv_step_lturn_G_7 < hhv_step_lturn_I_9 + 1)) && !(hhv_step_lturn_G_7 < 2 + hhv_step_lturn_L_0);
      VAL   [hhv_step_lturn_A_1=1, hhv_step_lturn_B_2=2, hhv_step_lturn_C_3=0, hhv_step_lturn_D_4=0, hhv_step_lturn_E_5=0, hhv_step_lturn_F_6=0, hhv_step_lturn_G_7=2, hhv_step_lturn_H_8=0, hhv_step_lturn_I_9=1, hhv_step_lturn_J_10=0, hhv_step_lturn_K_11=3, hhv_step_lturn_L_0=0]
[L0]  RET   call step_lturn(hhv_step_lturn_L_0, hhv_step_lturn_A_1, hhv_step_lturn_B_2, hhv_step_lturn_C_3, hhv_step_lturn_D_4, hhv_step_lturn_E_5, hhv_step_lturn_F_6, hhv_step_lturn_G_7, hhv_step_lturn_I_9, hhv_step_lturn_J_10, hhv_step_lturn_H_8, hhv_step_lturn_K_11);
      VAL   [hhv_step_lturn_A_1=1, hhv_step_lturn_B_2=2, hhv_step_lturn_C_3=0, hhv_step_lturn_D_4=0, hhv_step_lturn_E_5=0, hhv_step_lturn_F_6=0, hhv_step_lturn_G_7=2, hhv_step_lturn_H_8=0, hhv_step_lturn_I_9=0, hhv_step_lturn_J_10=1, hhv_step_lturn_K_11=3, hhv_step_lturn_L_0=0]
[L0]  RET   call step_lturn(hhv_combined_lturn_L_0, hhv_combined_lturn_A_1, hhv_combined_lturn_B_2, hhv_combined_lturn_C_3, hhv_combined_lturn_D_4, hhv_combined_lturn_E_5, hhv_combined_lturn_F_6, hhv_combined_lturn_G_7, hhv_combined_lturn_H_8, hhv_combined_lturn_I_9, hhv_combined_lturn_J_10, hhv_combined_lturn_K_11);
      VAL   [hhv_combined_lturn_A_1=1, hhv_combined_lturn_B_2=2, hhv_combined_lturn_C_3=0, hhv_combined_lturn_D_4=0, hhv_combined_lturn_E_5=0, hhv_combined_lturn_F_6=0, hhv_combined_lturn_G_7=2, hhv_combined_lturn_H_8=0, hhv_combined_lturn_I_9=0, hhv_combined_lturn_J_10=1, hhv_combined_lturn_K_11=3, hhv_combined_lturn_L_0=0]
[L0]  RET   call combined_lturn(hbv_CHC_COMP_FALSE_J_1, hbv_CHC_COMP_FALSE_v_15_2, hbv_CHC_COMP_FALSE_v_14_3, hbv_CHC_COMP_FALSE_v_13_4, hbv_CHC_COMP_FALSE_A_5, hbv_CHC_COMP_FALSE_B_6, hbv_CHC_COMP_FALSE_C_7, hbv_CHC_COMP_FALSE_D_8, hbv_CHC_COMP_FALSE_E_9, hbv_CHC_COMP_FALSE_G_11, hbv_CHC_COMP_FALSE_F_10, hbv_CHC_COMP_FALSE_M_12);
      VAL   [hbv_CHC_COMP_FALSE_A_5=0, hbv_CHC_COMP_FALSE_B_6=0, hbv_CHC_COMP_FALSE_C_7=0, hbv_CHC_COMP_FALSE_D_8=2, hbv_CHC_COMP_FALSE_E_9=0, hbv_CHC_COMP_FALSE_F_10=1, hbv_CHC_COMP_FALSE_G_11=0, hbv_CHC_COMP_FALSE_J_1=0, hbv_CHC_COMP_FALSE_M_12=3, hbv_CHC_COMP_FALSE_v_13_4=0, hbv_CHC_COMP_FALSE_v_14_3=2, hbv_CHC_COMP_FALSE_v_15_2=1]
[L0]  RET   call CHC_COMP_FALSE();
[L0]  RET   call False();
[L0]        assert false;

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 142 locations, 431 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 1269 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 974 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 992 IncrementalHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 295 mSDtfsCounter, 992 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
RESULT: Ultimate proved your program to be incorrect!
[2025-04-28 21:21:36,932 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...
unsat
