./chc-comp-wrapper.sh ../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-034.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-04-28 21:21:52,988 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-04-28 21:21:53,052 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee088f-6c76-4ba3-b9ab-515b5b998107/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-04-28 21:21:53,063 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-04-28 21:21:53,063 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-04-28 21:21:53,083 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-04-28 21:21:53,084 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-04-28 21:21:53,084 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-04-28 21:21:53,084 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-04-28 21:21:53,084 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-04-28 21:21:53,085 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-04-28 21:21:53,085 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-04-28 21:21:53,085 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-04-28 21:21:53,085 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-04-28 21:21:53,085 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-04-28 21:21:53,085 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-04-28 21:21:53,085 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-04-28 21:21:53,086 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-04-28 21:21:53,086 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:53,086 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-04-28 21:21:53,086 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-04-28 21:21:53,086 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-04-28 21:21:53,086 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-04-28 21:21:53,086 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-04-28 21:21:53,086 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-04-28 21:21:53,087 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-04-28 21:21:53,087 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-04-28 21:21:53,422 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-04-28 21:21:53,434 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-04-28 21:21:53,437 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-04-28 21:21:53,440 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-04-28 21:21:53,441 INFO  L274        PluginConnector]: SmtParser initialized
[2025-04-28 21:21:53,442 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee088f-6c76-4ba3-b9ab-515b5b998107/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-034.smt2
[2025-04-28 21:21:53,445 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-04-28 21:21:53,448 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-04-28 21:21:53,886 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee088f-6c76-4ba3-b9ab-515b5b998107/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-034.smt2
[2025-04-28 21:21:53,891 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-04-28 21:21:53,894 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-04-28 21:21:53,895 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-04-28 21:21:53,896 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-04-28 21:21:53,896 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-04-28 21:21:53,899 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:53,952 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53 Unit
[2025-04-28 21:21:53,953 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-04-28 21:21:53,954 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-04-28 21:21:53,954 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-04-28 21:21:53,954 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-04-28 21:21:53,970 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:53,970 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,006 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,006 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,014 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,019 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,021 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,023 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,024 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,044 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-04-28 21:21:54,045 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-04-28 21:21:54,045 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-04-28 21:21:54,045 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-04-28 21:21:54,046 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (1/1) ...
[2025-04-28 21:21:54,049 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:54,062 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:54,078 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 21:21:54,081 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 21:21:54,099 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-04-28 21:21:54,099 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-04-28 21:21:54,099 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-04-28 21:21:54,101 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ERR given in one single declaration
[2025-04-28 21:21:54,102 INFO  L130     BoogieDeclarations]: Found specification of procedure ERR
[2025-04-28 21:21:54,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure ERR
[2025-04-28 21:21:54,102 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure MAIN given in one single declaration
[2025-04-28 21:21:54,102 INFO  L130     BoogieDeclarations]: Found specification of procedure MAIN
[2025-04-28 21:21:54,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure MAIN
[2025-04-28 21:21:54,102 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure top_reset given in one single declaration
[2025-04-28 21:21:54,102 INFO  L130     BoogieDeclarations]: Found specification of procedure top_reset
[2025-04-28 21:21:54,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure top_reset
[2025-04-28 21:21:54,102 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main_reset given in one single declaration
[2025-04-28 21:21:54,102 INFO  L130     BoogieDeclarations]: Found specification of procedure main_reset
[2025-04-28 21:21:54,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure main_reset
[2025-04-28 21:21:54,102 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure controleur_reset given in one single declaration
[2025-04-28 21:21:54,103 INFO  L130     BoogieDeclarations]: Found specification of procedure controleur_reset
[2025-04-28 21:21:54,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure controleur_reset
[2025-04-28 21:21:54,103 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure hypothese_reset given in one single declaration
[2025-04-28 21:21:54,103 INFO  L130     BoogieDeclarations]: Found specification of procedure hypothese_reset
[2025-04-28 21:21:54,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure hypothese_reset
[2025-04-28 21:21:54,103 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Sofar_reset given in one single declaration
[2025-04-28 21:21:54,103 INFO  L130     BoogieDeclarations]: Found specification of procedure Sofar_reset
[2025-04-28 21:21:54,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure Sofar_reset
[2025-04-28 21:21:54,103 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure INIT_STATE given in one single declaration
[2025-04-28 21:21:54,103 INFO  L130     BoogieDeclarations]: Found specification of procedure INIT_STATE
[2025-04-28 21:21:54,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure INIT_STATE
[2025-04-28 21:21:54,103 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure top_step given in one single declaration
[2025-04-28 21:21:54,103 INFO  L130     BoogieDeclarations]: Found specification of procedure top_step
[2025-04-28 21:21:54,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure top_step
[2025-04-28 21:21:54,103 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Sofar_step given in one single declaration
[2025-04-28 21:21:54,104 INFO  L130     BoogieDeclarations]: Found specification of procedure Sofar_step
[2025-04-28 21:21:54,104 INFO  L138     BoogieDeclarations]: Found implementation of procedure Sofar_step
[2025-04-28 21:21:54,104 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main_step given in one single declaration
[2025-04-28 21:21:54,104 INFO  L130     BoogieDeclarations]: Found specification of procedure main_step
[2025-04-28 21:21:54,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure main_step
[2025-04-28 21:21:54,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure hypothese_step given in one single declaration
[2025-04-28 21:21:54,107 INFO  L130     BoogieDeclarations]: Found specification of procedure hypothese_step
[2025-04-28 21:21:54,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure hypothese_step
[2025-04-28 21:21:54,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure controleur_step given in one single declaration
[2025-04-28 21:21:54,107 INFO  L130     BoogieDeclarations]: Found specification of procedure controleur_step
[2025-04-28 21:21:54,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure controleur_step
[2025-04-28 21:21:54,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-04-28 21:21:54,107 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-04-28 21:21:54,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-04-28 21:21:54,278 INFO  L234             CfgBuilder]: Building ICFG
[2025-04-28 21:21:54,281 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-04-28 21:21:54,639 INFO  L?                        ?]: Removed 25 outVars from TransFormulas that were not future-live.
[2025-04-28 21:21:54,639 INFO  L283             CfgBuilder]: Performing block encoding
[2025-04-28 21:21:54,659 INFO  L304             CfgBuilder]: Using library mode
[2025-04-28 21:21:54,659 INFO  L312             CfgBuilder]: Removed 4 assume(true) statements.
[2025-04-28 21:21:54,661 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:54 BoogieIcfgContainer
[2025-04-28 21:21:54,661 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-04-28 21:21:54,663 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-04-28 21:21:54,663 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-04-28 21:21:54,669 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-04-28 21:21:54,669 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:53" (1/3) ...
[2025-04-28 21:21:54,670 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1201f19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 28.04 09:21:54, skipping insertion in model container
[2025-04-28 21:21:54,670 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:53" (2/3) ...
[2025-04-28 21:21:54,670 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1201f19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:21:54, skipping insertion in model container
[2025-04-28 21:21:54,670 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:54" (3/3) ...
[2025-04-28 21:21:54,672 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-04-28 21:21:54,690 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-04-28 21:21:54,692 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 15 procedures, 62 locations, 88 edges, 15 initial locations, 0 loop locations, and 1 error locations.
[2025-04-28 21:21:54,744 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-04-28 21:21:54,768 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;@1e043f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-04-28 21:21:54,769 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-04-28 21:21:54,773 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 62 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 19 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20)
[2025-04-28 21:21:54,787 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2025-04-28 21:21:54,787 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:54,789 INFO  L218           NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1]
[2025-04-28 21:21:54,789 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:54,795 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:54,796 INFO  L85        PathProgramCache]: Analyzing trace with hash -67137884, now seen corresponding path program 1 times
[2025-04-28 21:21:54,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:54,807 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315080039]
[2025-04-28 21:21:54,807 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:54,808 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:54,903 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes.
[2025-04-28 21:21:55,009 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements.
[2025-04-28 21:21:55,010 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:55,010 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:56,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2025-04-28 21:21:56,114 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:56,114 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315080039]
[2025-04-28 21:21:56,115 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315080039] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:56,115 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:56,118 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-04-28 21:21:56,121 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238258111]
[2025-04-28 21:21:56,122 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:56,127 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-04-28 21:21:56,127 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:56,161 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-04-28 21:21:56,162 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-04-28 21:21:56,164 INFO  L87              Difference]: Start difference. First operand  has 62 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 19 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) Second operand  has 7 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 5 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18)
[2025-04-28 21:21:56,317 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:56,317 INFO  L93              Difference]: Finished difference Result 62 states and 68 transitions.
[2025-04-28 21:21:56,320 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-04-28 21:21:56,330 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 5 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) Word has length 70
[2025-04-28 21:21:56,331 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:56,349 INFO  L225             Difference]: With dead ends: 62
[2025-04-28 21:21:56,349 INFO  L226             Difference]: Without dead ends: 62
[2025-04-28 21:21:56,356 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-04-28 21:21:56,362 INFO  L437           NwaCegarLoop]: 62 mSDtfsCounter, 1 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:56,366 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 294 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:56,420 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2025-04-28 21:21:56,448 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2025-04-28 21:21:56,451 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 62 states, 27 states have (on average 1.0) internal successors, (27), 27 states have internal predecessors, (27), 19 states have call successors, (20), 14 states have call predecessors, (20), 15 states have return successors, (21), 20 states have call predecessors, (21), 19 states have call successors, (21)
[2025-04-28 21:21:56,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions.
[2025-04-28 21:21:56,461 INFO  L79                 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 70
[2025-04-28 21:21:56,462 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:56,462 INFO  L485      AbstractCegarLoop]: Abstraction has 62 states and 68 transitions.
[2025-04-28 21:21:56,462 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 5 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18)
[2025-04-28 21:21:56,462 INFO  L278                IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions.
[2025-04-28 21:21:56,467 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2025-04-28 21:21:56,469 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:56,469 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 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]
[2025-04-28 21:21:56,469 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-04-28 21:21:56,470 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:56,471 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:56,471 INFO  L85        PathProgramCache]: Analyzing trace with hash 2131500106, now seen corresponding path program 1 times
[2025-04-28 21:21:56,471 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:56,472 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923925074]
[2025-04-28 21:21:56,472 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:56,473 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:56,547 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes.
[2025-04-28 21:21:56,617 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements.
[2025-04-28 21:21:56,617 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:56,617 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:58,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2025-04-28 21:21:58,877 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:58,877 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923925074]
[2025-04-28 21:21:58,878 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923925074] provided 0 perfect and 1 imperfect interpolant sequences
[2025-04-28 21:21:58,878 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080596254]
[2025-04-28 21:21:58,878 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:58,878 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-04-28 21:21:58,881 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:58,885 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 21:21:58,887 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-04-28 21:21:59,159 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes.
[2025-04-28 21:21:59,412 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements.
[2025-04-28 21:21:59,412 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:59,413 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:59,428 INFO  L256         TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 25 conjuncts are in the unsatisfiable core
[2025-04-28 21:21:59,443 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-04-28 21:22:00,285 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2025-04-28 21:22:00,285 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2025-04-28 21:22:06,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2025-04-28 21:22:06,167 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080596254] provided 0 perfect and 2 imperfect interpolant sequences
[2025-04-28 21:22:06,167 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2025-04-28 21:22:06,168 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 26
[2025-04-28 21:22:06,168 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859434569]
[2025-04-28 21:22:06,168 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2025-04-28 21:22:06,169 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2025-04-28 21:22:06,170 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:22:06,172 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2025-04-28 21:22:06,174 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650
[2025-04-28 21:22:06,174 INFO  L87              Difference]: Start difference. First operand 62 states and 68 transitions. Second operand  has 26 states, 16 states have (on average 2.625) internal successors, (42), 20 states have internal predecessors, (42), 19 states have call successors, (41), 1 states have call predecessors, (41), 16 states have return successors, (46), 21 states have call predecessors, (46), 19 states have call successors, (46)
[2025-04-28 21:22:06,589 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:22:06,589 INFO  L93              Difference]: Finished difference Result 65 states and 72 transitions.
[2025-04-28 21:22:06,590 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2025-04-28 21:22:06,590 INFO  L79                 Accepts]: Start accepts. Automaton has  has 26 states, 16 states have (on average 2.625) internal successors, (42), 20 states have internal predecessors, (42), 19 states have call successors, (41), 1 states have call predecessors, (41), 16 states have return successors, (46), 21 states have call predecessors, (46), 19 states have call successors, (46) Word has length 101
[2025-04-28 21:22:06,591 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:22:06,592 INFO  L225             Difference]: With dead ends: 65
[2025-04-28 21:22:06,592 INFO  L226             Difference]: Without dead ends: 65
[2025-04-28 21:22:06,593 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812
[2025-04-28 21:22:06,593 INFO  L437           NwaCegarLoop]: 59 mSDtfsCounter, 5 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-04-28 21:22:06,594 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1159 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-04-28 21:22:06,595 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2025-04-28 21:22:06,600 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65.
[2025-04-28 21:22:06,601 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 65 states, 28 states have (on average 1.0) internal successors, (28), 28 states have internal predecessors, (28), 20 states have call successors, (21), 14 states have call predecessors, (21), 16 states have return successors, (23), 22 states have call predecessors, (23), 20 states have call successors, (23)
[2025-04-28 21:22:06,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions.
[2025-04-28 21:22:06,603 INFO  L79                 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 101
[2025-04-28 21:22:06,603 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:22:06,603 INFO  L485      AbstractCegarLoop]: Abstraction has 65 states and 72 transitions.
[2025-04-28 21:22:06,604 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 26 states, 16 states have (on average 2.625) internal successors, (42), 20 states have internal predecessors, (42), 19 states have call successors, (41), 1 states have call predecessors, (41), 16 states have return successors, (46), 21 states have call predecessors, (46), 19 states have call successors, (46)
[2025-04-28 21:22:06,604 INFO  L278                IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions.
[2025-04-28 21:22:06,605 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2025-04-28 21:22:06,606 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:22:06,606 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2025-04-28 21:22:06,615 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2025-04-28 21:22:06,810 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-04-28 21:22:06,810 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:22:06,811 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:22:06,811 INFO  L85        PathProgramCache]: Analyzing trace with hash 1474599076, now seen corresponding path program 2 times
[2025-04-28 21:22:06,811 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:22:06,811 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180634992]
[2025-04-28 21:22:06,811 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2025-04-28 21:22:06,812 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:22:06,856 INFO  L108    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes.
[2025-04-28 21:22:06,951 INFO  L111    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 132 of 132 statements.
[2025-04-28 21:22:06,951 INFO  L114    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2025-04-28 21:22:06,951 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:22:11,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 151 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2025-04-28 21:22:11,769 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:22:11,769 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180634992]
[2025-04-28 21:22:11,769 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180634992] provided 0 perfect and 1 imperfect interpolant sequences
[2025-04-28 21:22:11,769 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782733442]
[2025-04-28 21:22:11,769 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2025-04-28 21:22:11,769 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-04-28 21:22:11,772 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:22:11,774 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 21:22:11,777 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2025-04-28 21:22:12,019 INFO  L108    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes.
[2025-04-28 21:22:12,222 INFO  L111    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 132 of 132 statements.
[2025-04-28 21:22:12,222 INFO  L114    AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2025-04-28 21:22:12,222 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:22:12,229 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 49 conjuncts are in the unsatisfiable core
[2025-04-28 21:22:12,236 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-04-28 21:22:13,323 INFO  L134       CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2025-04-28 21:22:13,323 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
