./chc-comp-wrapper.sh ../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-082.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-04-28 21:21:40,451 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-04-28 21:21:40,522 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168f175c-eead-4087-8ae2-38867081931e/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-04-28 21:21:40,528 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-04-28 21:21:40,531 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-04-28 21:21:40,554 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-04-28 21:21:40,554 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-04-28 21:21:40,555 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-04-28 21:21:40,555 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-04-28 21:21:40,555 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-04-28 21:21:40,555 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-04-28 21:21:40,556 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-04-28 21:21:40,556 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-04-28 21:21:40,556 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-04-28 21:21:40,556 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-04-28 21:21:40,556 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-04-28 21:21:40,556 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-04-28 21:21:40,556 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-04-28 21:21:40,557 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:40,557 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-04-28 21:21:40,557 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-04-28 21:21:40,557 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-04-28 21:21:40,557 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-04-28 21:21:40,557 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-04-28 21:21:40,557 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-04-28 21:21:40,558 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-04-28 21:21:40,558 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-04-28 21:21:40,922 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-04-28 21:21:40,936 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-04-28 21:21:40,939 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-04-28 21:21:40,943 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-04-28 21:21:40,943 INFO  L274        PluginConnector]: SmtParser initialized
[2025-04-28 21:21:40,945 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168f175c-eead-4087-8ae2-38867081931e/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-082.smt2
[2025-04-28 21:21:40,948 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-04-28 21:21:40,954 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-04-28 21:21:41,688 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168f175c-eead-4087-8ae2-38867081931e/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-082.smt2
[2025-04-28 21:21:41,692 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-04-28 21:21:41,694 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-04-28 21:21:41,694 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-04-28 21:21:41,695 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-04-28 21:21:41,695 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-04-28 21:21:41,699 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,793 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41 Unit
[2025-04-28 21:21:41,793 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-04-28 21:21:41,794 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-04-28 21:21:41,794 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-04-28 21:21:41,797 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-04-28 21:21:41,813 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,813 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,863 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,863 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,874 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,877 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,879 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,885 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,887 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,938 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-04-28 21:21:41,939 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-04-28 21:21:41,939 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-04-28 21:21:41,939 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-04-28 21:21:41,940 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (1/1) ...
[2025-04-28 21:21:41,943 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:41,955 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:41,968 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 21:21:41,972 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 21:21:41,983 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-04-28 21:21:41,983 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-04-28 21:21:41,983 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-04-28 21:21:41,984 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure realizable given in one single declaration
[2025-04-28 21:21:41,984 INFO  L130     BoogieDeclarations]: Found specification of procedure realizable
[2025-04-28 21:21:41,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure realizable
[2025-04-28 21:21:41,984 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcStart__syn given in one single declaration
[2025-04-28 21:21:41,984 INFO  L130     BoogieDeclarations]: Found specification of procedure funcStart__syn
[2025-04-28 21:21:41,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcStart__syn
[2025-04-28 21:21:41,984 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcS__syn given in one single declaration
[2025-04-28 21:21:41,984 INFO  L130     BoogieDeclarations]: Found specification of procedure funcS__syn
[2025-04-28 21:21:41,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcS__syn
[2025-04-28 21:21:41,984 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcS1__syn given in one single declaration
[2025-04-28 21:21:41,984 INFO  L130     BoogieDeclarations]: Found specification of procedure funcS1__syn
[2025-04-28 21:21:41,985 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcS1__syn
[2025-04-28 21:21:41,985 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcA__syn given in one single declaration
[2025-04-28 21:21:41,985 INFO  L130     BoogieDeclarations]: Found specification of procedure funcA__syn
[2025-04-28 21:21:41,985 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcA__syn
[2025-04-28 21:21:41,985 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcE__syn given in one single declaration
[2025-04-28 21:21:41,985 INFO  L130     BoogieDeclarations]: Found specification of procedure funcE__syn
[2025-04-28 21:21:41,985 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcE__syn
[2025-04-28 21:21:41,985 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcStart__sem given in one single declaration
[2025-04-28 21:21:41,985 INFO  L130     BoogieDeclarations]: Found specification of procedure funcStart__sem
[2025-04-28 21:21:41,985 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcStart__sem
[2025-04-28 21:21:41,985 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcS__sem given in one single declaration
[2025-04-28 21:21:41,986 INFO  L130     BoogieDeclarations]: Found specification of procedure funcS__sem
[2025-04-28 21:21:41,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcS__sem
[2025-04-28 21:21:41,986 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcS1__sem given in one single declaration
[2025-04-28 21:21:41,986 INFO  L130     BoogieDeclarations]: Found specification of procedure funcS1__sem
[2025-04-28 21:21:41,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcS1__sem
[2025-04-28 21:21:41,986 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcA__sem given in one single declaration
[2025-04-28 21:21:41,986 INFO  L130     BoogieDeclarations]: Found specification of procedure funcA__sem
[2025-04-28 21:21:41,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcA__sem
[2025-04-28 21:21:41,986 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcE__sem given in one single declaration
[2025-04-28 21:21:41,986 INFO  L130     BoogieDeclarations]: Found specification of procedure funcE__sem
[2025-04-28 21:21:41,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcE__sem
[2025-04-28 21:21:41,986 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcB__sem given in one single declaration
[2025-04-28 21:21:41,987 INFO  L130     BoogieDeclarations]: Found specification of procedure funcB__sem
[2025-04-28 21:21:41,987 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcB__sem
[2025-04-28 21:21:41,987 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure funcB__syn given in one single declaration
[2025-04-28 21:21:41,987 INFO  L130     BoogieDeclarations]: Found specification of procedure funcB__syn
[2025-04-28 21:21:41,987 INFO  L138     BoogieDeclarations]: Found implementation of procedure funcB__syn
[2025-04-28 21:21:41,987 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-04-28 21:21:41,987 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-04-28 21:21:41,987 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-04-28 21:21:42,284 INFO  L234             CfgBuilder]: Building ICFG
[2025-04-28 21:21:42,287 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-04-28 21:21:43,050 INFO  L?                        ?]: Removed 120 outVars from TransFormulas that were not future-live.
[2025-04-28 21:21:43,050 INFO  L283             CfgBuilder]: Performing block encoding
[2025-04-28 21:21:43,067 INFO  L304             CfgBuilder]: Using library mode
[2025-04-28 21:21:43,067 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2025-04-28 21:21:43,068 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:43 BoogieIcfgContainer
[2025-04-28 21:21:43,068 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-04-28 21:21:43,072 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-04-28 21:21:43,072 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-04-28 21:21:43,076 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-04-28 21:21:43,076 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:41" (1/3) ...
[2025-04-28 21:21:43,077 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49026b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 28.04 09:21:43, skipping insertion in model container
[2025-04-28 21:21:43,078 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:41" (2/3) ...
[2025-04-28 21:21:43,078 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49026b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:21:43, skipping insertion in model container
[2025-04-28 21:21:43,078 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:43" (3/3) ...
[2025-04-28 21:21:43,080 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-04-28 21:21:43,098 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-04-28 21:21:43,101 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 15 procedures, 76 locations, 138 edges, 15 initial locations, 0 loop locations, and 1 error locations.
[2025-04-28 21:21:43,167 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-04-28 21:21:43,185 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;@2dba0648, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-04-28 21:21:43,187 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-04-28 21:21:43,192 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 76 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 37 states have internal predecessors, (45), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 25 states have call predecessors, (31), 31 states have call successors, (31)
[2025-04-28 21:21:43,207 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2025-04-28 21:21:43,208 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:43,209 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:43,210 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:43,216 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:43,217 INFO  L85        PathProgramCache]: Analyzing trace with hash -80152329, now seen corresponding path program 1 times
[2025-04-28 21:21:43,267 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:43,267 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810205769]
[2025-04-28 21:21:43,268 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:43,269 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:43,410 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes.
[2025-04-28 21:21:43,660 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements.
[2025-04-28 21:21:43,662 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:43,662 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:46,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2025-04-28 21:21:46,988 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:46,988 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810205769]
[2025-04-28 21:21:46,989 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810205769] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:46,989 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:46,992 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2025-04-28 21:21:46,994 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392630896]
[2025-04-28 21:21:46,995 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:46,999 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2025-04-28 21:21:47,000 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:47,057 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2025-04-28 21:21:47,062 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2025-04-28 21:21:47,065 INFO  L87              Difference]: Start difference. First operand  has 76 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 37 states have internal predecessors, (45), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 25 states have call predecessors, (31), 31 states have call successors, (31) Second operand  has 12 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 9 states have internal predecessors, (19), 8 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14)
[2025-04-28 21:21:47,609 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:47,609 INFO  L93              Difference]: Finished difference Result 88 states and 125 transitions.
[2025-04-28 21:21:47,611 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2025-04-28 21:21:47,612 INFO  L79                 Accepts]: Start accepts. Automaton has  has 12 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 9 states have internal predecessors, (19), 8 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) Word has length 64
[2025-04-28 21:21:47,613 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:47,626 INFO  L225             Difference]: With dead ends: 88
[2025-04-28 21:21:47,627 INFO  L226             Difference]: Without dead ends: 86
[2025-04-28 21:21:47,630 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2025-04-28 21:21:47,634 INFO  L437           NwaCegarLoop]: 102 mSDtfsCounter, 5 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:47,635 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1079 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2025-04-28 21:21:47,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2025-04-28 21:21:47,681 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82.
[2025-04-28 21:21:47,682 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 38 states have internal predecessors, (46), 33 states have call successors, (33), 14 states have call predecessors, (33), 17 states have return successors, (39), 29 states have call predecessors, (39), 33 states have call successors, (39)
[2025-04-28 21:21:47,688 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 118 transitions.
[2025-04-28 21:21:47,689 INFO  L79                 Accepts]: Start accepts. Automaton has 82 states and 118 transitions. Word has length 64
[2025-04-28 21:21:47,690 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:47,690 INFO  L485      AbstractCegarLoop]: Abstraction has 82 states and 118 transitions.
[2025-04-28 21:21:47,690 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 9 states have internal predecessors, (19), 8 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14)
[2025-04-28 21:21:47,691 INFO  L278                IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions.
[2025-04-28 21:21:47,695 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-04-28 21:21:47,697 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:47,697 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:47,698 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-04-28 21:21:47,698 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:47,699 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:47,700 INFO  L85        PathProgramCache]: Analyzing trace with hash -298659443, now seen corresponding path program 1 times
[2025-04-28 21:21:47,700 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:47,700 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505974022]
[2025-04-28 21:21:47,701 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:47,701 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:47,782 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-04-28 21:21:47,832 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-04-28 21:21:47,833 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:47,833 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:50,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2025-04-28 21:21:50,939 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:50,940 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505974022]
[2025-04-28 21:21:50,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505974022] provided 0 perfect and 1 imperfect interpolant sequences
[2025-04-28 21:21:50,940 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132920722]
[2025-04-28 21:21:50,940 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:50,940 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-04-28 21:21:50,943 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:50,948 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-04-28 21:21:50,954 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-04-28 21:21:51,313 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-04-28 21:21:51,523 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-04-28 21:21:51,523 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:51,523 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:51,531 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 36 conjuncts are in the unsatisfiable core
[2025-04-28 21:21:51,542 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-04-28 21:21:51,616 INFO  L354             Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 41
[2025-04-28 21:21:51,668 INFO  L172   IndexEqualityManager]: detected equality via solver
[2025-04-28 21:21:51,668 INFO  L354             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3
[2025-04-28 21:21:52,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2025-04-28 21:21:52,873 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2025-04-28 21:22:00,203 INFO  L134       CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2025-04-28 21:22:00,204 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132920722] provided 0 perfect and 2 imperfect interpolant sequences
[2025-04-28 21:22:00,204 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2025-04-28 21:22:00,204 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28
[2025-04-28 21:22:00,205 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299432333]
[2025-04-28 21:22:00,205 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2025-04-28 21:22:00,206 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2025-04-28 21:22:00,206 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:22:00,207 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2025-04-28 21:22:00,207 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756
[2025-04-28 21:22:00,208 INFO  L87              Difference]: Start difference. First operand 82 states and 118 transitions. Second operand  has 28 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 19 states have internal predecessors, (32), 21 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (30), 20 states have call predecessors, (30), 21 states have call successors, (30)
[2025-04-28 21:22:00,884 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:22:00,884 INFO  L93              Difference]: Finished difference Result 86 states and 122 transitions.
[2025-04-28 21:22:00,884 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2025-04-28 21:22:00,885 INFO  L79                 Accepts]: Start accepts. Automaton has  has 28 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 19 states have internal predecessors, (32), 21 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (30), 20 states have call predecessors, (30), 21 states have call successors, (30) Word has length 68
[2025-04-28 21:22:00,885 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:22:00,887 INFO  L225             Difference]: With dead ends: 86
[2025-04-28 21:22:00,887 INFO  L226             Difference]: Without dead ends: 83
[2025-04-28 21:22:00,887 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 117 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=141, Invalid=981, Unknown=0, NotChecked=0, Total=1122
[2025-04-28 21:22:00,888 INFO  L437           NwaCegarLoop]: 99 mSDtfsCounter, 14 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2025-04-28 21:22:00,888 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1526 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2025-04-28 21:22:00,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2025-04-28 21:22:00,897 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 76.
[2025-04-28 21:22:00,897 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 36 states have internal predecessors, (44), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (32), 25 states have call predecessors, (32), 31 states have call successors, (32)
[2025-04-28 21:22:00,899 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions.
[2025-04-28 21:22:00,899 INFO  L79                 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 68
[2025-04-28 21:22:00,899 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:22:00,899 INFO  L485      AbstractCegarLoop]: Abstraction has 76 states and 107 transitions.
[2025-04-28 21:22:00,900 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 19 states have internal predecessors, (32), 21 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (30), 20 states have call predecessors, (30), 21 states have call successors, (30)
[2025-04-28 21:22:00,900 INFO  L278                IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions.
[2025-04-28 21:22:00,903 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2025-04-28 21:22:00,903 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:22:00,903 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:22:00,910 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2025-04-28 21:22:01,107 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-04-28 21:22:01,107 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:22:01,108 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:22:01,108 INFO  L85        PathProgramCache]: Analyzing trace with hash -1825311236, now seen corresponding path program 1 times
[2025-04-28 21:22:01,108 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:22:01,108 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36627920]
[2025-04-28 21:22:01,108 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:22:01,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:22:01,186 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes.
[2025-04-28 21:22:01,261 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements.
[2025-04-28 21:22:01,262 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:22:01,262 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:22:05,929 INFO  L134       CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked.
[2025-04-28 21:22:05,929 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:22:05,929 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36627920]
[2025-04-28 21:22:05,929 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36627920] provided 0 perfect and 1 imperfect interpolant sequences
[2025-04-28 21:22:05,929 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315720755]
[2025-04-28 21:22:05,929 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:22:05,929 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-04-28 21:22:05,932 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:22:05,934 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-04-28 21:22:05,935 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2025-04-28 21:22:06,339 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes.
[2025-04-28 21:22:06,660 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements.
[2025-04-28 21:22:06,660 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:22:06,660 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:22:06,673 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1844 conjuncts, 59 conjuncts are in the unsatisfiable core
[2025-04-28 21:22:06,694 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-04-28 21:22:06,753 INFO  L189   IndexEqualityManager]: detected not equals via solver
[2025-04-28 21:22:06,757 INFO  L354             Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56
[2025-04-28 21:22:06,800 INFO  L354             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 3
[2025-04-28 21:22:08,669 INFO  L134       CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked.
[2025-04-28 21:22:08,669 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
