./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci01-1.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b0570f2e0d80d68bc280040cce27f654b3fe7a2c0bad30f9bb811af9ca3d994 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:12:28,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:12:28,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:12:28,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:12:28,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:12:28,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:12:28,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:12:28,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:12:28,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:12:28,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:12:28,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:12:28,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:12:28,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:12:28,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:12:28,344 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:12:28,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:12:28,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:12:28,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:12:28,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:12:28,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:12:28,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:12:28,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:12:28,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:12:28,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:12:28,352 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:12:28,352 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:12:28,352 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:12:28,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:12:28,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:12:28,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:12:28,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:12:28,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:12:28,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:12:28,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:12:28,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:12:28,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:12:28,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:12:28,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:12:28,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:12:28,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:12:28,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:12:28,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:12:28,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:12:28,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:12:28,359 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0570f2e0d80d68bc280040cce27f654b3fe7a2c0bad30f9bb811af9ca3d994 [2024-10-11 21:12:28,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:12:28,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:12:28,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:12:28,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:12:28,650 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:12:28,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci01-1.c [2024-10-11 21:12:30,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:12:30,268 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:12:30,269 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci01-1.c [2024-10-11 21:12:30,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f1b2de404/ef81cdbe32534438b7e3aef49aa67da6/FLAG3622f0033 [2024-10-11 21:12:30,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f1b2de404/ef81cdbe32534438b7e3aef49aa67da6 [2024-10-11 21:12:30,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:12:30,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:12:30,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:12:30,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:12:30,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:12:30,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781cb73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30, skipping insertion in model container [2024-10-11 21:12:30,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:12:30,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:12:30,520 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:12:30,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:12:30,550 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:12:30,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30 WrapperNode [2024-10-11 21:12:30,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:12:30,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:12:30,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:12:30,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:12:30,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,579 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-10-11 21:12:30,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:12:30,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:12:30,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:12:30,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:12:30,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,601 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 21:12:30,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:12:30,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:12:30,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:12:30,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:12:30,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (1/1) ... [2024-10-11 21:12:30,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:12:30,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:30,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 21:12:30,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 21:12:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-10-11 21:12:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-10-11 21:12:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:12:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:12:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:12:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:12:30,764 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:12:30,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:12:30,931 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-11 21:12:30,932 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:12:30,955 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:12:30,955 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 21:12:30,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:12:30 BoogieIcfgContainer [2024-10-11 21:12:30,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:12:30,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:12:30,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:12:30,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:12:30,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:12:30" (1/3) ... [2024-10-11 21:12:30,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1d256a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:12:30, skipping insertion in model container [2024-10-11 21:12:30,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:30" (2/3) ... [2024-10-11 21:12:30,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1d256a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:12:30, skipping insertion in model container [2024-10-11 21:12:30,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:12:30" (3/3) ... [2024-10-11 21:12:30,967 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci01-1.c [2024-10-11 21:12:30,985 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:12:30,985 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 21:12:31,043 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:12:31,050 INFO L333 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=LoopHeads, 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;@34ed008d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:12:31,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 21:12:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.631578947368421) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:12:31,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 21:12:31,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:31,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:31,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:31,075 INFO L85 PathProgramCache]: Analyzing trace with hash 154939607, now seen corresponding path program 1 times [2024-10-11 21:12:31,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:31,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040426524] [2024-10-11 21:12:31,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:31,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:12:31,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:31,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040426524] [2024-10-11 21:12:31,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040426524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:12:31,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:12:31,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:12:31,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315543130] [2024-10-11 21:12:31,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:12:31,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:12:31,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:31,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:12:31,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:12:31,389 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.631578947368421) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:12:31,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:31,460 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2024-10-11 21:12:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:12:31,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 21:12:31,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:31,470 INFO L225 Difference]: With dead ends: 36 [2024-10-11 21:12:31,470 INFO L226 Difference]: Without dead ends: 29 [2024-10-11 21:12:31,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:12:31,480 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 11 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:31,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 42 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:12:31,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-11 21:12:31,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2024-10-11 21:12:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.411764705882353) internal successors, (24), 22 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:12:31,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-10-11 21:12:31,512 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 7 [2024-10-11 21:12:31,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:31,512 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-10-11 21:12:31,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:12:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-10-11 21:12:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 21:12:31,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:31,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:31,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:12:31,515 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:31,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:31,515 INFO L85 PathProgramCache]: Analyzing trace with hash 508160563, now seen corresponding path program 1 times [2024-10-11 21:12:31,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:31,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927741487] [2024-10-11 21:12:31,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:31,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:12:31,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:31,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927741487] [2024-10-11 21:12:31,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927741487] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:12:31,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:12:31,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 21:12:31,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797856768] [2024-10-11 21:12:31,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:12:31,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:12:31,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:31,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:12:31,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:12:31,587 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:12:31,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:31,698 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2024-10-11 21:12:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:12:31,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 21:12:31,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:31,700 INFO L225 Difference]: With dead ends: 29 [2024-10-11 21:12:31,701 INFO L226 Difference]: Without dead ends: 25 [2024-10-11 21:12:31,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:12:31,702 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 28 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:31,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 28 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:12:31,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-11 21:12:31,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-10-11 21:12:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:12:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-11 21:12:31,713 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 8 [2024-10-11 21:12:31,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:31,714 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-11 21:12:31,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:12:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-10-11 21:12:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 21:12:31,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:31,716 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:31,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:12:31,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:31,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:31,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1427262858, now seen corresponding path program 1 times [2024-10-11 21:12:31,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:31,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101792972] [2024-10-11 21:12:31,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:31,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:31,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 21:12:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:12:31,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:31,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101792972] [2024-10-11 21:12:31,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101792972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:12:31,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:12:31,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:12:31,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773926218] [2024-10-11 21:12:31,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:12:31,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:12:31,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:31,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:12:31,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:12:31,797 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:12:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:31,808 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-10-11 21:12:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:12:31,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-10-11 21:12:31,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:31,809 INFO L225 Difference]: With dead ends: 23 [2024-10-11 21:12:31,809 INFO L226 Difference]: Without dead ends: 20 [2024-10-11 21:12:31,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:12:31,812 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:31,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:12:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-10-11 21:12:31,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-10-11 21:12:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:12:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-10-11 21:12:31,820 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 9 [2024-10-11 21:12:31,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:31,820 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-10-11 21:12:31,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:12:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-10-11 21:12:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 21:12:31,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:31,826 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:31,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 21:12:31,826 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:31,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:31,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1136260135, now seen corresponding path program 1 times [2024-10-11 21:12:31,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:31,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859996176] [2024-10-11 21:12:31,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:31,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:32,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:12:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:32,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 21:12:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 21:12:32,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:32,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859996176] [2024-10-11 21:12:32,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859996176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:12:32,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:12:32,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 21:12:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359182762] [2024-10-11 21:12:32,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:12:32,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:12:32,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:32,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:12:32,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:12:32,049 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:12:32,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:32,098 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-10-11 21:12:32,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:12:32,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-10-11 21:12:32,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:32,100 INFO L225 Difference]: With dead ends: 34 [2024-10-11 21:12:32,101 INFO L226 Difference]: Without dead ends: 32 [2024-10-11 21:12:32,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:12:32,103 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:32,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 49 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:12:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-11 21:12:32,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2024-10-11 21:12:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 23 states have internal predecessors, (25), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 21:12:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2024-10-11 21:12:32,113 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 23 [2024-10-11 21:12:32,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:32,113 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-10-11 21:12:32,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:12:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-10-11 21:12:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 21:12:32,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:32,115 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:32,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 21:12:32,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:32,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:32,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1361659761, now seen corresponding path program 1 times [2024-10-11 21:12:32,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:32,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892440133] [2024-10-11 21:12:32,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:32,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:32,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:12:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 21:12:32,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:32,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892440133] [2024-10-11 21:12:32,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892440133] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:32,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726756854] [2024-10-11 21:12:32,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:32,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:32,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:32,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:32,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 21:12:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:32,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 21:12:32,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 21:12:32,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 21:12:32,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726756854] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:32,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:32,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-10-11 21:12:32,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596995259] [2024-10-11 21:12:32,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:32,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 21:12:32,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:32,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 21:12:32,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:12:32,671 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 21:12:32,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:32,992 INFO L93 Difference]: Finished difference Result 90 states and 128 transitions. [2024-10-11 21:12:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 21:12:32,993 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 30 [2024-10-11 21:12:32,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:32,995 INFO L225 Difference]: With dead ends: 90 [2024-10-11 21:12:32,995 INFO L226 Difference]: Without dead ends: 64 [2024-10-11 21:12:32,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-10-11 21:12:32,997 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 135 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:32,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 70 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:12:32,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-11 21:12:33,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2024-10-11 21:12:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.105263157894737) internal successors, (42), 41 states have internal predecessors, (42), 7 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (18), 8 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-11 21:12:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2024-10-11 21:12:33,023 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 30 [2024-10-11 21:12:33,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:33,023 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2024-10-11 21:12:33,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 21:12:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2024-10-11 21:12:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 21:12:33,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:33,026 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:33,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 21:12:33,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:33,227 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:33,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:33,228 INFO L85 PathProgramCache]: Analyzing trace with hash 396747193, now seen corresponding path program 2 times [2024-10-11 21:12:33,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:33,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41960016] [2024-10-11 21:12:33,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:33,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:33,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 21:12:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 21:12:33,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:33,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41960016] [2024-10-11 21:12:33,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41960016] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:33,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508202741] [2024-10-11 21:12:33,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:12:33,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:33,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:33,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 21:12:33,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:12:33,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:33,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:12:33,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 21:12:33,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:12:33,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508202741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:12:33,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:12:33,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-11 21:12:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97973952] [2024-10-11 21:12:33,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:12:33,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:12:33,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:33,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:12:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:12:33,450 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:12:33,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:33,489 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2024-10-11 21:12:33,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:12:33,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2024-10-11 21:12:33,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:33,492 INFO L225 Difference]: With dead ends: 59 [2024-10-11 21:12:33,493 INFO L226 Difference]: Without dead ends: 58 [2024-10-11 21:12:33,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:12:33,495 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:33,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 45 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:12:33,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-11 21:12:33,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2024-10-11 21:12:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.1) internal successors, (44), 42 states have internal predecessors, (44), 7 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (18), 9 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-11 21:12:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2024-10-11 21:12:33,511 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 30 [2024-10-11 21:12:33,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:33,511 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2024-10-11 21:12:33,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:12:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2024-10-11 21:12:33,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 21:12:33,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:33,513 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:33,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 21:12:33,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:33,718 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:33,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:33,718 INFO L85 PathProgramCache]: Analyzing trace with hash 45853039, now seen corresponding path program 1 times [2024-10-11 21:12:33,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:33,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895144241] [2024-10-11 21:12:33,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:33,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:33,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:12:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:33,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 21:12:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 21:12:33,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:33,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895144241] [2024-10-11 21:12:33,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895144241] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:33,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836637357] [2024-10-11 21:12:33,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:33,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:33,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:33,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:33,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 21:12:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:33,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:12:33,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 21:12:33,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:12:33,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836637357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:12:33,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:12:33,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-11 21:12:33,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843243838] [2024-10-11 21:12:33,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:12:33,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:12:33,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:33,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:12:33,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:12:33,902 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:12:33,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:33,943 INFO L93 Difference]: Finished difference Result 81 states and 116 transitions. [2024-10-11 21:12:33,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:12:33,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2024-10-11 21:12:33,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:33,945 INFO L225 Difference]: With dead ends: 81 [2024-10-11 21:12:33,945 INFO L226 Difference]: Without dead ends: 80 [2024-10-11 21:12:33,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:12:33,946 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:33,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 75 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:12:33,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-11 21:12:33,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 63. [2024-10-11 21:12:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 49 states have internal predecessors, (51), 8 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (27), 11 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-11 21:12:33,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2024-10-11 21:12:33,961 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 25 [2024-10-11 21:12:33,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:33,962 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2024-10-11 21:12:33,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:12:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2024-10-11 21:12:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 21:12:33,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:33,964 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:33,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 21:12:34,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:34,165 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:34,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1048249442, now seen corresponding path program 1 times [2024-10-11 21:12:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:34,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088968697] [2024-10-11 21:12:34,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:34,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:34,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:34,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:34,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 21:12:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-11 21:12:34,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:34,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088968697] [2024-10-11 21:12:34,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088968697] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471967044] [2024-10-11 21:12:34,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:34,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:34,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:34,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:34,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 21:12:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:34,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:12:34,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-10-11 21:12:34,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-11 21:12:34,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471967044] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:34,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:34,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-10-11 21:12:34,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384004105] [2024-10-11 21:12:34,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:34,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 21:12:34,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:34,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 21:12:34,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-10-11 21:12:34,709 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 21:12:34,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:34,832 INFO L93 Difference]: Finished difference Result 126 states and 196 transitions. [2024-10-11 21:12:34,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 21:12:34,833 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) Word has length 51 [2024-10-11 21:12:34,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:34,836 INFO L225 Difference]: With dead ends: 126 [2024-10-11 21:12:34,836 INFO L226 Difference]: Without dead ends: 125 [2024-10-11 21:12:34,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:12:34,837 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:34,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 117 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:12:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-11 21:12:34,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 97. [2024-10-11 21:12:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 75 states have (on average 1.08) internal successors, (81), 74 states have internal predecessors, (81), 11 states have call successors, (11), 2 states have call predecessors, (11), 9 states have return successors, (66), 20 states have call predecessors, (66), 10 states have call successors, (66) [2024-10-11 21:12:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 158 transitions. [2024-10-11 21:12:34,855 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 158 transitions. Word has length 51 [2024-10-11 21:12:34,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:34,856 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 158 transitions. [2024-10-11 21:12:34,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 21:12:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2024-10-11 21:12:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-11 21:12:34,858 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:34,859 INFO L215 NwaCegarLoop]: trace histogram [9, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-11 21:12:34,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 21:12:35,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 21:12:35,059 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:35,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:35,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1835701410, now seen corresponding path program 1 times [2024-10-11 21:12:35,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:35,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126496722] [2024-10-11 21:12:35,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:12:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:12:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 43 proven. 79 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 21:12:35,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:35,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126496722] [2024-10-11 21:12:35,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126496722] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:35,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786700437] [2024-10-11 21:12:35,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:35,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:35,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:35,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 21:12:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:35,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:12:35,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 50 proven. 92 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 21:12:35,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-11 21:12:35,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786700437] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:35,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:35,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 11] total 17 [2024-10-11 21:12:35,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613686091] [2024-10-11 21:12:35,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:35,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 21:12:35,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:35,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 21:12:35,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:12:35,845 INFO L87 Difference]: Start difference. First operand 97 states and 158 transitions. Second operand has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 12 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 8 states have call predecessors, (16), 12 states have call successors, (16) [2024-10-11 21:12:36,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:36,006 INFO L93 Difference]: Finished difference Result 173 states and 299 transitions. [2024-10-11 21:12:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:12:36,007 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 12 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 8 states have call predecessors, (16), 12 states have call successors, (16) Word has length 83 [2024-10-11 21:12:36,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:36,008 INFO L225 Difference]: With dead ends: 173 [2024-10-11 21:12:36,008 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 21:12:36,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 170 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2024-10-11 21:12:36,011 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 42 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:36,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 54 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:12:36,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 21:12:36,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2024-10-11 21:12:36,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.125) internal successors, (63), 53 states have internal predecessors, (63), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (26), 13 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-11 21:12:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 96 transitions. [2024-10-11 21:12:36,021 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 96 transitions. Word has length 83 [2024-10-11 21:12:36,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:36,021 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 96 transitions. [2024-10-11 21:12:36,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 12 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 8 states have call predecessors, (16), 12 states have call successors, (16) [2024-10-11 21:12:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2024-10-11 21:12:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 21:12:36,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:36,024 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1] [2024-10-11 21:12:36,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 21:12:36,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:36,228 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:36,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:36,228 INFO L85 PathProgramCache]: Analyzing trace with hash -382900675, now seen corresponding path program 2 times [2024-10-11 21:12:36,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:36,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513171085] [2024-10-11 21:12:36,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:36,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:12:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 21:12:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 47 proven. 94 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-10-11 21:12:36,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:36,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513171085] [2024-10-11 21:12:36,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513171085] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:36,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447995341] [2024-10-11 21:12:36,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:12:36,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:36,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:36,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:36,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 21:12:36,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:12:36,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:36,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 21:12:36,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 196 proven. 15 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-11 21:12:36,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 48 proven. 119 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-11 21:12:36,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447995341] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:36,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:36,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 14 [2024-10-11 21:12:36,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738012216] [2024-10-11 21:12:36,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:36,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 21:12:36,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:36,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 21:12:36,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-10-11 21:12:36,824 INFO L87 Difference]: Start difference. First operand 71 states and 96 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 7 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (13), 5 states have call predecessors, (13), 7 states have call successors, (13) [2024-10-11 21:12:36,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:36,894 INFO L93 Difference]: Finished difference Result 130 states and 181 transitions. [2024-10-11 21:12:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:12:36,895 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 7 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (13), 5 states have call predecessors, (13), 7 states have call successors, (13) Word has length 101 [2024-10-11 21:12:36,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:36,896 INFO L225 Difference]: With dead ends: 130 [2024-10-11 21:12:36,896 INFO L226 Difference]: Without dead ends: 62 [2024-10-11 21:12:36,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 213 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:12:36,898 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 28 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:36,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 51 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:12:36,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-11 21:12:36,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2024-10-11 21:12:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 45 states have internal predecessors, (52), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (14), 10 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-11 21:12:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2024-10-11 21:12:36,905 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 101 [2024-10-11 21:12:36,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:36,905 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2024-10-11 21:12:36,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 7 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (13), 5 states have call predecessors, (13), 7 states have call successors, (13) [2024-10-11 21:12:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2024-10-11 21:12:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 21:12:36,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:36,907 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1] [2024-10-11 21:12:36,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 21:12:37,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 21:12:37,108 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:37,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:37,108 INFO L85 PathProgramCache]: Analyzing trace with hash 933157607, now seen corresponding path program 3 times [2024-10-11 21:12:37,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:37,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346118520] [2024-10-11 21:12:37,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:37,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:12:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 21:12:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 82 proven. 129 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-10-11 21:12:37,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:37,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346118520] [2024-10-11 21:12:37,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346118520] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:37,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381471426] [2024-10-11 21:12:37,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:12:37,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:37,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:37,434 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:37,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 21:12:37,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-11 21:12:37,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:37,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 21:12:37,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-10-11 21:12:37,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-10-11 21:12:38,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381471426] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:38,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:38,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 26 [2024-10-11 21:12:38,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300580116] [2024-10-11 21:12:38,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:38,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 21:12:38,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:38,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 21:12:38,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2024-10-11 21:12:38,088 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand has 26 states, 26 states have (on average 3.4615384615384617) internal successors, (90), 26 states have internal predecessors, (90), 10 states have call successors, (13), 1 states have call predecessors, (13), 9 states have return successors, (19), 18 states have call predecessors, (19), 10 states have call successors, (19) [2024-10-11 21:12:38,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:38,569 INFO L93 Difference]: Finished difference Result 138 states and 177 transitions. [2024-10-11 21:12:38,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-11 21:12:38,570 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.4615384615384617) internal successors, (90), 26 states have internal predecessors, (90), 10 states have call successors, (13), 1 states have call predecessors, (13), 9 states have return successors, (19), 18 states have call predecessors, (19), 10 states have call successors, (19) Word has length 103 [2024-10-11 21:12:38,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:38,571 INFO L225 Difference]: With dead ends: 138 [2024-10-11 21:12:38,571 INFO L226 Difference]: Without dead ends: 83 [2024-10-11 21:12:38,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 206 SyntacticMatches, 7 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=371, Invalid=1699, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 21:12:38,573 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 44 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:38,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 75 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:12:38,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-11 21:12:38,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 73. [2024-10-11 21:12:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 56 states have internal predecessors, (63), 8 states have call successors, (8), 5 states have call predecessors, (8), 6 states have return successors, (17), 11 states have call predecessors, (17), 7 states have call successors, (17) [2024-10-11 21:12:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-10-11 21:12:38,581 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 103 [2024-10-11 21:12:38,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:38,582 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-10-11 21:12:38,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.4615384615384617) internal successors, (90), 26 states have internal predecessors, (90), 10 states have call successors, (13), 1 states have call predecessors, (13), 9 states have return successors, (19), 18 states have call predecessors, (19), 10 states have call successors, (19) [2024-10-11 21:12:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-10-11 21:12:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-11 21:12:38,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:38,583 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-10-11 21:12:38,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 21:12:38,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:38,788 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:38,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:38,788 INFO L85 PathProgramCache]: Analyzing trace with hash 206574252, now seen corresponding path program 2 times [2024-10-11 21:12:38,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:38,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849911097] [2024-10-11 21:12:38,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:38,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:38,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:38,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:38,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:38,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:38,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:38,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 21:12:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 101 proven. 39 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-10-11 21:12:39,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:39,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849911097] [2024-10-11 21:12:39,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849911097] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578328280] [2024-10-11 21:12:39,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:12:39,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:39,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:39,010 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:39,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 21:12:39,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:12:39,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:39,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:12:39,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 142 proven. 37 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-11 21:12:39,192 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 104 proven. 62 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 21:12:39,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578328280] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:39,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:39,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 11] total 17 [2024-10-11 21:12:39,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988516682] [2024-10-11 21:12:39,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:39,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 21:12:39,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:39,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 21:12:39,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:12:39,639 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 11 states have call successors, (15), 2 states have call predecessors, (15), 6 states have return successors, (17), 7 states have call predecessors, (17), 11 states have call successors, (17) [2024-10-11 21:12:39,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:39,754 INFO L93 Difference]: Finished difference Result 132 states and 162 transitions. [2024-10-11 21:12:39,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 21:12:39,755 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 11 states have call successors, (15), 2 states have call predecessors, (15), 6 states have return successors, (17), 7 states have call predecessors, (17), 11 states have call successors, (17) Word has length 91 [2024-10-11 21:12:39,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:39,756 INFO L225 Difference]: With dead ends: 132 [2024-10-11 21:12:39,756 INFO L226 Difference]: Without dead ends: 64 [2024-10-11 21:12:39,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 186 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2024-10-11 21:12:39,757 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 38 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:39,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 73 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:12:39,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-11 21:12:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-10-11 21:12:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 49 states have internal predecessors, (54), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (11), 8 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 21:12:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2024-10-11 21:12:39,769 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 91 [2024-10-11 21:12:39,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:39,770 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2024-10-11 21:12:39,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 11 states have call successors, (15), 2 states have call predecessors, (15), 6 states have return successors, (17), 7 states have call predecessors, (17), 11 states have call successors, (17) [2024-10-11 21:12:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2024-10-11 21:12:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 21:12:39,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:39,772 INFO L215 NwaCegarLoop]: trace histogram [16, 14, 13, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 3, 1, 1, 1, 1] [2024-10-11 21:12:39,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 21:12:39,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 21:12:39,973 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:39,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:39,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1475262041, now seen corresponding path program 3 times [2024-10-11 21:12:39,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:39,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296080829] [2024-10-11 21:12:39,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:39,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 21:12:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 78 proven. 135 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-10-11 21:12:40,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:40,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296080829] [2024-10-11 21:12:40,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296080829] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:40,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476244800] [2024-10-11 21:12:40,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:12:40,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:40,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:40,580 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:40,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 21:12:40,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-11 21:12:40,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:40,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 21:12:40,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 78 proven. 135 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-10-11 21:12:40,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 144 proven. 128 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-10-11 21:12:41,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476244800] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:41,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:41,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 17] total 26 [2024-10-11 21:12:41,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959294454] [2024-10-11 21:12:41,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:41,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-11 21:12:41,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:41,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-11 21:12:41,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2024-10-11 21:12:41,996 INFO L87 Difference]: Start difference. First operand 64 states and 72 transitions. Second operand has 27 states, 26 states have (on average 2.730769230769231) internal successors, (71), 27 states have internal predecessors, (71), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-11 21:12:42,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:42,227 INFO L93 Difference]: Finished difference Result 128 states and 180 transitions. [2024-10-11 21:12:42,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-11 21:12:42,228 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.730769230769231) internal successors, (71), 27 states have internal predecessors, (71), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) Word has length 149 [2024-10-11 21:12:42,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:42,230 INFO L225 Difference]: With dead ends: 128 [2024-10-11 21:12:42,230 INFO L226 Difference]: Without dead ends: 127 [2024-10-11 21:12:42,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 312 SyntacticMatches, 16 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=277, Invalid=913, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 21:12:42,231 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:42,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 200 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:12:42,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-11 21:12:42,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 100. [2024-10-11 21:12:42,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 79 states have (on average 1.0379746835443038) internal successors, (82), 77 states have internal predecessors, (82), 11 states have call successors, (11), 6 states have call predecessors, (11), 9 states have return successors, (47), 16 states have call predecessors, (47), 10 states have call successors, (47) [2024-10-11 21:12:42,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2024-10-11 21:12:42,242 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 140 transitions. Word has length 149 [2024-10-11 21:12:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:42,242 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 140 transitions. [2024-10-11 21:12:42,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.730769230769231) internal successors, (71), 27 states have internal predecessors, (71), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-11 21:12:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 140 transitions. [2024-10-11 21:12:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-10-11 21:12:42,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:42,246 INFO L215 NwaCegarLoop]: trace histogram [34, 32, 27, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 15, 10, 7, 1, 1, 1, 1] [2024-10-11 21:12:42,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 21:12:42,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:42,447 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:42,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:42,447 INFO L85 PathProgramCache]: Analyzing trace with hash 341779614, now seen corresponding path program 4 times [2024-10-11 21:12:42,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:42,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583312188] [2024-10-11 21:12:42,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:42,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:42,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 21:12:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3713 backedges. 375 proven. 1153 refuted. 0 times theorem prover too weak. 2185 trivial. 0 not checked. [2024-10-11 21:12:43,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:43,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583312188] [2024-10-11 21:12:43,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583312188] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:43,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157825750] [2024-10-11 21:12:43,394 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 21:12:43,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:43,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:43,396 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:43,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 21:12:43,513 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 21:12:43,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:43,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 21:12:43,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3713 backedges. 396 proven. 1338 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2024-10-11 21:12:43,678 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3713 backedges. 396 proven. 1377 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked. [2024-10-11 21:12:44,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157825750] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:44,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:44,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 19] total 29 [2024-10-11 21:12:44,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204106500] [2024-10-11 21:12:44,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:44,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 21:12:44,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:44,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 21:12:44,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2024-10-11 21:12:44,831 INFO L87 Difference]: Start difference. First operand 100 states and 140 transitions. Second operand has 29 states, 29 states have (on average 5.172413793103448) internal successors, (150), 29 states have internal predecessors, (150), 24 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (36), 16 states have call predecessors, (36), 24 states have call successors, (36) [2024-10-11 21:12:45,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:45,105 INFO L93 Difference]: Finished difference Result 250 states and 396 transitions. [2024-10-11 21:12:45,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 21:12:45,105 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.172413793103448) internal successors, (150), 29 states have internal predecessors, (150), 24 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (36), 16 states have call predecessors, (36), 24 states have call successors, (36) Word has length 325 [2024-10-11 21:12:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:45,107 INFO L225 Difference]: With dead ends: 250 [2024-10-11 21:12:45,107 INFO L226 Difference]: Without dead ends: 155 [2024-10-11 21:12:45,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 695 SyntacticMatches, 9 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=453, Invalid=1187, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 21:12:45,110 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 113 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:45,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 135 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:12:45,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-11 21:12:45,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 139. [2024-10-11 21:12:45,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 111 states have (on average 1.045045045045045) internal successors, (116), 107 states have internal predecessors, (116), 15 states have call successors, (15), 8 states have call predecessors, (15), 12 states have return successors, (57), 23 states have call predecessors, (57), 14 states have call successors, (57) [2024-10-11 21:12:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 188 transitions. [2024-10-11 21:12:45,128 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 188 transitions. Word has length 325 [2024-10-11 21:12:45,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:45,128 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 188 transitions. [2024-10-11 21:12:45,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.172413793103448) internal successors, (150), 29 states have internal predecessors, (150), 24 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (36), 16 states have call predecessors, (36), 24 states have call successors, (36) [2024-10-11 21:12:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2024-10-11 21:12:45,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-10-11 21:12:45,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:45,133 INFO L215 NwaCegarLoop]: trace histogram [36, 34, 29, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 16, 11, 7, 1, 1, 1, 1] [2024-10-11 21:12:45,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 21:12:45,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 21:12:45,334 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:45,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:45,334 INFO L85 PathProgramCache]: Analyzing trace with hash 641687387, now seen corresponding path program 5 times [2024-10-11 21:12:45,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:45,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943859501] [2024-10-11 21:12:45,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:45,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:12:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 21:12:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4199 backedges. 633 proven. 1187 refuted. 0 times theorem prover too weak. 2379 trivial. 0 not checked. [2024-10-11 21:12:46,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:46,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943859501] [2024-10-11 21:12:46,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943859501] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:46,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251788846] [2024-10-11 21:12:46,184 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 21:12:46,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:46,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:46,186 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:46,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 21:12:46,304 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-10-11 21:12:46,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:46,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 21:12:46,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4199 backedges. 740 proven. 1135 refuted. 0 times theorem prover too weak. 2324 trivial. 0 not checked. [2024-10-11 21:12:46,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4199 backedges. 737 proven. 1177 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2024-10-11 21:12:47,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251788846] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:47,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:47,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 20] total 32 [2024-10-11 21:12:47,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203042037] [2024-10-11 21:12:47,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:47,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-11 21:12:47,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:47,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-11 21:12:47,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2024-10-11 21:12:47,831 INFO L87 Difference]: Start difference. First operand 139 states and 188 transitions. Second operand has 32 states, 32 states have (on average 5.03125) internal successors, (161), 32 states have internal predecessors, (161), 23 states have call successors, (30), 1 states have call predecessors, (30), 10 states have return successors, (39), 20 states have call predecessors, (39), 23 states have call successors, (39) [2024-10-11 21:12:48,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:48,209 INFO L93 Difference]: Finished difference Result 280 states and 440 transitions. [2024-10-11 21:12:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 21:12:48,210 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 5.03125) internal successors, (161), 32 states have internal predecessors, (161), 23 states have call successors, (30), 1 states have call predecessors, (30), 10 states have return successors, (39), 20 states have call predecessors, (39), 23 states have call successors, (39) Word has length 345 [2024-10-11 21:12:48,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:48,212 INFO L225 Difference]: With dead ends: 280 [2024-10-11 21:12:48,212 INFO L226 Difference]: Without dead ends: 146 [2024-10-11 21:12:48,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 737 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=580, Invalid=1582, Unknown=0, NotChecked=0, Total=2162 [2024-10-11 21:12:48,215 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 158 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:48,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 139 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:12:48,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-10-11 21:12:48,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-10-11 21:12:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 105 states have (on average 1.0476190476190477) internal successors, (110), 101 states have internal predecessors, (110), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (37), 17 states have call predecessors, (37), 14 states have call successors, (37) [2024-10-11 21:12:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 162 transitions. [2024-10-11 21:12:48,226 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 162 transitions. Word has length 345 [2024-10-11 21:12:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:48,227 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 162 transitions. [2024-10-11 21:12:48,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.03125) internal successors, (161), 32 states have internal predecessors, (161), 23 states have call successors, (30), 1 states have call predecessors, (30), 10 states have return successors, (39), 20 states have call predecessors, (39), 23 states have call successors, (39) [2024-10-11 21:12:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 162 transitions. [2024-10-11 21:12:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-10-11 21:12:48,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:48,231 INFO L215 NwaCegarLoop]: trace histogram [32, 30, 26, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 14, 10, 6, 1, 1, 1, 1] [2024-10-11 21:12:48,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 21:12:48,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 21:12:48,435 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:48,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:48,435 INFO L85 PathProgramCache]: Analyzing trace with hash -931228305, now seen corresponding path program 6 times [2024-10-11 21:12:48,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:48,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134394715] [2024-10-11 21:12:48,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:48,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:12:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 21:12:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 622 proven. 736 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2024-10-11 21:12:49,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:49,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134394715] [2024-10-11 21:12:49,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134394715] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:49,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035645135] [2024-10-11 21:12:49,070 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 21:12:49,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:49,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:49,072 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:49,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 21:12:49,230 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-10-11 21:12:49,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:49,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 21:12:49,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 724 proven. 797 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2024-10-11 21:12:49,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 740 proven. 824 refuted. 0 times theorem prover too weak. 1718 trivial. 0 not checked. [2024-10-11 21:12:50,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035645135] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:50,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:50,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 19] total 30 [2024-10-11 21:12:50,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709870505] [2024-10-11 21:12:50,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:50,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-11 21:12:50,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:50,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-11 21:12:50,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:12:50,565 INFO L87 Difference]: Start difference. First operand 130 states and 162 transitions. Second operand has 30 states, 30 states have (on average 5.366666666666666) internal successors, (161), 30 states have internal predecessors, (161), 21 states have call successors, (29), 1 states have call predecessors, (29), 12 states have return successors, (38), 21 states have call predecessors, (38), 21 states have call successors, (38) [2024-10-11 21:12:50,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:50,908 INFO L93 Difference]: Finished difference Result 257 states and 345 transitions. [2024-10-11 21:12:50,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 21:12:50,914 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 5.366666666666666) internal successors, (161), 30 states have internal predecessors, (161), 21 states have call successors, (29), 1 states have call predecessors, (29), 12 states have return successors, (38), 21 states have call predecessors, (38), 21 states have call successors, (38) Word has length 306 [2024-10-11 21:12:50,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:50,916 INFO L225 Difference]: With dead ends: 257 [2024-10-11 21:12:50,916 INFO L226 Difference]: Without dead ends: 132 [2024-10-11 21:12:50,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 649 SyntacticMatches, 9 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=420, Invalid=1220, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 21:12:50,918 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 119 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:50,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 198 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:12:50,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-11 21:12:50,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 112. [2024-10-11 21:12:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 90 states have (on average 1.0333333333333334) internal successors, (93), 88 states have internal predecessors, (93), 14 states have call successors, (14), 11 states have call predecessors, (14), 7 states have return successors, (28), 12 states have call predecessors, (28), 13 states have call successors, (28) [2024-10-11 21:12:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 135 transitions. [2024-10-11 21:12:50,927 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 135 transitions. Word has length 306 [2024-10-11 21:12:50,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:50,927 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 135 transitions. [2024-10-11 21:12:50,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.366666666666666) internal successors, (161), 30 states have internal predecessors, (161), 21 states have call successors, (29), 1 states have call predecessors, (29), 12 states have return successors, (38), 21 states have call predecessors, (38), 21 states have call successors, (38) [2024-10-11 21:12:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 135 transitions. [2024-10-11 21:12:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-10-11 21:12:50,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:50,931 INFO L215 NwaCegarLoop]: trace histogram [70, 65, 57, 36, 36, 36, 36, 33, 33, 33, 33, 33, 32, 32, 32, 31, 21, 13, 1, 1, 1, 1] [2024-10-11 21:12:50,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 21:12:51,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 21:12:51,136 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:51,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash -675352501, now seen corresponding path program 7 times [2024-10-11 21:12:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798238815] [2024-10-11 21:12:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:51,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:51,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:51,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:51,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:51,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:12:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 21:12:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:12:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-10-11 21:12:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 16076 backedges. 1118 proven. 3371 refuted. 0 times theorem prover too weak. 11587 trivial. 0 not checked. [2024-10-11 21:12:52,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:52,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798238815] [2024-10-11 21:12:52,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798238815] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:52,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552311139] [2024-10-11 21:12:52,416 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-11 21:12:52,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:52,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:52,418 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:52,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 21:12:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:52,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 21:12:52,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16076 backedges. 6828 proven. 2740 refuted. 0 times theorem prover too weak. 6508 trivial. 0 not checked. [2024-10-11 21:12:52,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 16076 backedges. 1346 proven. 4125 refuted. 0 times theorem prover too weak. 10605 trivial. 0 not checked. [2024-10-11 21:12:54,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552311139] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:12:54,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:12:54,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 24] total 34 [2024-10-11 21:12:54,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376285376] [2024-10-11 21:12:54,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:54,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-11 21:12:54,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:54,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-11 21:12:54,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 21:12:54,684 INFO L87 Difference]: Start difference. First operand 112 states and 135 transitions. Second operand has 34 states, 34 states have (on average 5.647058823529412) internal successors, (192), 34 states have internal predecessors, (192), 30 states have call successors, (37), 5 states have call predecessors, (37), 11 states have return successors, (44), 18 states have call predecessors, (44), 27 states have call successors, (44) [2024-10-11 21:12:55,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:55,042 INFO L93 Difference]: Finished difference Result 258 states and 337 transitions. [2024-10-11 21:12:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 21:12:55,042 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.647058823529412) internal successors, (192), 34 states have internal predecessors, (192), 30 states have call successors, (37), 5 states have call predecessors, (37), 11 states have return successors, (44), 18 states have call predecessors, (44), 27 states have call successors, (44) Word has length 666 [2024-10-11 21:12:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:55,044 INFO L225 Difference]: With dead ends: 258 [2024-10-11 21:12:55,044 INFO L226 Difference]: Without dead ends: 151 [2024-10-11 21:12:55,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1506 GetRequests, 1437 SyntacticMatches, 16 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=841, Invalid=2129, Unknown=0, NotChecked=0, Total=2970 [2024-10-11 21:12:55,047 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 218 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:55,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 117 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:12:55,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-11 21:12:55,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 124. [2024-10-11 21:12:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 99 states have (on average 1.0303030303030303) internal successors, (102), 98 states have internal predecessors, (102), 16 states have call successors, (16), 12 states have call predecessors, (16), 8 states have return successors, (35), 13 states have call predecessors, (35), 15 states have call successors, (35) [2024-10-11 21:12:55,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 153 transitions. [2024-10-11 21:12:55,057 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 153 transitions. Word has length 666 [2024-10-11 21:12:55,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:55,058 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 153 transitions. [2024-10-11 21:12:55,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.647058823529412) internal successors, (192), 34 states have internal predecessors, (192), 30 states have call successors, (37), 5 states have call predecessors, (37), 11 states have return successors, (44), 18 states have call predecessors, (44), 27 states have call successors, (44) [2024-10-11 21:12:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 153 transitions. [2024-10-11 21:12:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2024-10-11 21:12:55,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:12:55,061 INFO L215 NwaCegarLoop]: trace histogram [41, 40, 33, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 13, 8, 1, 1, 1, 1] [2024-10-11 21:12:55,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 21:12:55,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 21:12:55,265 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:12:55,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:12:55,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1953341696, now seen corresponding path program 8 times [2024-10-11 21:12:55,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:12:55,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997031205] [2024-10-11 21:12:55,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:12:55,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:12:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:56,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:12:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:56,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:56,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:56,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:12:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 21:12:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:12:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:12:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:12:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:12:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:12:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:12:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 820 proven. 1112 refuted. 0 times theorem prover too weak. 3696 trivial. 0 not checked. [2024-10-11 21:12:57,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:57,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997031205] [2024-10-11 21:12:57,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997031205] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:57,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24583053] [2024-10-11 21:12:57,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:12:57,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:12:57,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:12:57,585 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:12:57,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 21:12:57,766 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:12:57,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:12:57,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-10-11 21:12:57,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:12:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 820 proven. 1112 refuted. 0 times theorem prover too weak. 3696 trivial. 0 not checked. [2024-10-11 21:12:58,142 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:13:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 1149 proven. 1015 refuted. 0 times theorem prover too weak. 3464 trivial. 0 not checked. [2024-10-11 21:13:04,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24583053] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:13:04,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:13:04,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 29] total 40 [2024-10-11 21:13:04,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887627366] [2024-10-11 21:13:04,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:13:04,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-11 21:13:04,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:13:04,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-11 21:13:04,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 21:13:04,604 INFO L87 Difference]: Start difference. First operand 124 states and 153 transitions. Second operand has 41 states, 40 states have (on average 2.625) internal successors, (105), 41 states have internal predecessors, (105), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-11 21:13:04,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:13:04,775 INFO L93 Difference]: Finished difference Result 155 states and 207 transitions. [2024-10-11 21:13:04,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 21:13:04,775 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.625) internal successors, (105), 41 states have internal predecessors, (105), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) Word has length 398 [2024-10-11 21:13:04,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:13:04,778 INFO L225 Difference]: With dead ends: 155 [2024-10-11 21:13:04,778 INFO L226 Difference]: Without dead ends: 154 [2024-10-11 21:13:04,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 854 SyntacticMatches, 62 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2284 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=409, Invalid=1483, Unknown=0, NotChecked=0, Total=1892 [2024-10-11 21:13:04,781 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 6 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:13:04,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 175 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:13:04,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-11 21:13:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 145. [2024-10-11 21:13:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 116 states have (on average 1.0258620689655173) internal successors, (119), 114 states have internal predecessors, (119), 18 states have call successors, (18), 12 states have call predecessors, (18), 10 states have return successors, (55), 18 states have call predecessors, (55), 17 states have call successors, (55) [2024-10-11 21:13:04,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 192 transitions. [2024-10-11 21:13:04,795 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 192 transitions. Word has length 398 [2024-10-11 21:13:04,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:13:04,798 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 192 transitions. [2024-10-11 21:13:04,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.625) internal successors, (105), 41 states have internal predecessors, (105), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-11 21:13:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2024-10-11 21:13:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-10-11 21:13:04,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:13:04,804 INFO L215 NwaCegarLoop]: trace histogram [83, 82, 67, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 40, 26, 16, 1, 1, 1, 1] [2024-10-11 21:13:04,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 21:13:05,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 21:13:05,005 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:13:05,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:13:05,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1552683559, now seen corresponding path program 9 times [2024-10-11 21:13:05,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:13:05,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051150735] [2024-10-11 21:13:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:13:05,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:13:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:13:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:05,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-11 21:13:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:06,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2311 proven. 4942 refuted. 0 times theorem prover too weak. 16606 trivial. 0 not checked. [2024-10-11 21:13:07,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:13:07,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051150735] [2024-10-11 21:13:07,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051150735] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:13:07,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976061824] [2024-10-11 21:13:07,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:13:07,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:13:07,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:13:07,141 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:13:07,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 21:13:07,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 46 check-sat command(s) [2024-10-11 21:13:07,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:13:07,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 21:13:07,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:13:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2324 proven. 4206 refuted. 0 times theorem prover too weak. 17329 trivial. 0 not checked. [2024-10-11 21:13:07,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:13:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2324 proven. 4323 refuted. 0 times theorem prover too weak. 17212 trivial. 0 not checked. [2024-10-11 21:13:10,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976061824] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:13:10,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:13:10,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 16, 25] total 42 [2024-10-11 21:13:10,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954502830] [2024-10-11 21:13:10,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:13:10,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-10-11 21:13:10,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:13:10,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-10-11 21:13:10,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1304, Unknown=0, NotChecked=0, Total=1722 [2024-10-11 21:13:10,136 INFO L87 Difference]: Start difference. First operand 145 states and 192 transitions. Second operand has 42 states, 42 states have (on average 4.9523809523809526) internal successors, (208), 42 states have internal predecessors, (208), 30 states have call successors, (38), 1 states have call predecessors, (38), 15 states have return successors, (54), 30 states have call predecessors, (54), 30 states have call successors, (54) [2024-10-11 21:13:10,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:13:10,840 INFO L93 Difference]: Finished difference Result 337 states and 489 transitions. [2024-10-11 21:13:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-11 21:13:10,840 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.9523809523809526) internal successors, (208), 42 states have internal predecessors, (208), 30 states have call successors, (38), 1 states have call predecessors, (38), 15 states have return successors, (54), 30 states have call predecessors, (54), 30 states have call successors, (54) Word has length 810 [2024-10-11 21:13:10,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:13:10,843 INFO L225 Difference]: With dead ends: 337 [2024-10-11 21:13:10,843 INFO L226 Difference]: Without dead ends: 197 [2024-10-11 21:13:10,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1836 GetRequests, 1758 SyntacticMatches, 12 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1721 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1113, Invalid=3443, Unknown=0, NotChecked=0, Total=4556 [2024-10-11 21:13:10,846 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 268 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:13:10,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 242 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:13:10,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-10-11 21:13:10,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 184. [2024-10-11 21:13:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 149 states have (on average 1.0335570469798658) internal successors, (154), 145 states have internal predecessors, (154), 23 states have call successors, (23), 17 states have call predecessors, (23), 11 states have return successors, (64), 21 states have call predecessors, (64), 22 states have call successors, (64) [2024-10-11 21:13:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 241 transitions. [2024-10-11 21:13:10,860 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 241 transitions. Word has length 810 [2024-10-11 21:13:10,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:13:10,860 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 241 transitions. [2024-10-11 21:13:10,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.9523809523809526) internal successors, (208), 42 states have internal predecessors, (208), 30 states have call successors, (38), 1 states have call predecessors, (38), 15 states have return successors, (54), 30 states have call predecessors, (54), 30 states have call successors, (54) [2024-10-11 21:13:10,861 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 241 transitions. [2024-10-11 21:13:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-10-11 21:13:10,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:13:10,866 INFO L215 NwaCegarLoop]: trace histogram [83, 82, 67, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 40, 26, 16, 1, 1, 1, 1] [2024-10-11 21:13:10,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 21:13:11,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:13:11,066 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:13:11,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:13:11,067 INFO L85 PathProgramCache]: Analyzing trace with hash 288050531, now seen corresponding path program 10 times [2024-10-11 21:13:11,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:13:11,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370699858] [2024-10-11 21:13:11,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:13:11,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:13:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:11,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:13:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:11,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-11 21:13:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2024-10-11 21:13:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2376 proven. 4185 refuted. 0 times theorem prover too weak. 17298 trivial. 0 not checked. [2024-10-11 21:13:12,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:13:12,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370699858] [2024-10-11 21:13:12,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370699858] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:13:12,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101496314] [2024-10-11 21:13:12,900 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 21:13:12,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:13:12,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:13:12,901 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:13:12,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 21:13:13,182 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 21:13:13,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:13:13,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 21:13:13,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:13:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 12210 proven. 2667 refuted. 0 times theorem prover too weak. 8982 trivial. 0 not checked. [2024-10-11 21:13:13,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:13:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2246 proven. 5308 refuted. 0 times theorem prover too weak. 16305 trivial. 0 not checked. [2024-10-11 21:13:16,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101496314] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:13:16,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:13:16,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 27] total 39 [2024-10-11 21:13:16,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94191159] [2024-10-11 21:13:16,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:13:16,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-11 21:13:16,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:13:16,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-11 21:13:16,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1120, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 21:13:16,483 INFO L87 Difference]: Start difference. First operand 184 states and 241 transitions. Second operand has 39 states, 39 states have (on average 5.410256410256411) internal successors, (211), 39 states have internal predecessors, (211), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) [2024-10-11 21:13:16,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:13:16,974 INFO L93 Difference]: Finished difference Result 363 states and 492 transitions. [2024-10-11 21:13:16,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-11 21:13:16,975 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 5.410256410256411) internal successors, (211), 39 states have internal predecessors, (211), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) Word has length 810 [2024-10-11 21:13:16,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:13:16,978 INFO L225 Difference]: With dead ends: 363 [2024-10-11 21:13:16,981 INFO L226 Difference]: Without dead ends: 184 [2024-10-11 21:13:16,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1818 GetRequests, 1756 SyntacticMatches, 13 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=662, Invalid=1888, Unknown=0, NotChecked=0, Total=2550 [2024-10-11 21:13:16,984 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 143 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:13:16,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 311 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:13:16,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-11 21:13:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 148. [2024-10-11 21:13:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 119 states have (on average 1.0252100840336134) internal successors, (122), 117 states have internal predecessors, (122), 19 states have call successors, (19), 14 states have call predecessors, (19), 9 states have return successors, (45), 16 states have call predecessors, (45), 18 states have call successors, (45) [2024-10-11 21:13:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 186 transitions. [2024-10-11 21:13:17,003 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 186 transitions. Word has length 810 [2024-10-11 21:13:17,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:13:17,003 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 186 transitions. [2024-10-11 21:13:17,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.410256410256411) internal successors, (211), 39 states have internal predecessors, (211), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) [2024-10-11 21:13:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 186 transitions. [2024-10-11 21:13:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2024-10-11 21:13:17,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:13:17,010 INFO L215 NwaCegarLoop]: trace histogram [93, 92, 75, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 45, 29, 18, 1, 1, 1, 1] [2024-10-11 21:13:17,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-11 21:13:17,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:13:17,210 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:13:17,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:13:17,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1674045500, now seen corresponding path program 11 times [2024-10-11 21:13:17,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:13:17,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372257657] [2024-10-11 21:13:17,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:13:17,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:13:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:17,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:13:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-11 21:13:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2024-10-11 21:13:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:18,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30053 backedges. 3943 proven. 4351 refuted. 0 times theorem prover too weak. 21759 trivial. 0 not checked. [2024-10-11 21:13:19,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:13:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372257657] [2024-10-11 21:13:19,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372257657] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:13:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410536007] [2024-10-11 21:13:19,108 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 21:13:19,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:13:19,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:13:19,110 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:13:19,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 21:13:19,567 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 60 check-sat command(s) [2024-10-11 21:13:19,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:13:19,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-11 21:13:19,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:13:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 30053 backedges. 5604 proven. 3105 refuted. 0 times theorem prover too weak. 21344 trivial. 0 not checked. [2024-10-11 21:13:19,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:13:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30053 backedges. 5604 proven. 3246 refuted. 0 times theorem prover too weak. 21203 trivial. 0 not checked. [2024-10-11 21:13:22,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410536007] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:13:22,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:13:22,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 29] total 44 [2024-10-11 21:13:22,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006374789] [2024-10-11 21:13:22,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:13:22,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-10-11 21:13:22,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:13:22,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-10-11 21:13:22,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=1430, Unknown=0, NotChecked=0, Total=1892 [2024-10-11 21:13:22,937 INFO L87 Difference]: Start difference. First operand 148 states and 186 transitions. Second operand has 44 states, 44 states have (on average 5.090909090909091) internal successors, (224), 44 states have internal predecessors, (224), 36 states have call successors, (42), 1 states have call predecessors, (42), 15 states have return successors, (60), 28 states have call predecessors, (60), 36 states have call successors, (60) [2024-10-11 21:13:23,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:13:23,512 INFO L93 Difference]: Finished difference Result 320 states and 420 transitions. [2024-10-11 21:13:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-11 21:13:23,513 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 5.090909090909091) internal successors, (224), 44 states have internal predecessors, (224), 36 states have call successors, (42), 1 states have call predecessors, (42), 15 states have return successors, (60), 28 states have call predecessors, (60), 36 states have call successors, (60) Word has length 908 [2024-10-11 21:13:23,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:13:23,515 INFO L225 Difference]: With dead ends: 320 [2024-10-11 21:13:23,515 INFO L226 Difference]: Without dead ends: 177 [2024-10-11 21:13:23,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2039 GetRequests, 1969 SyntacticMatches, 14 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1477 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=842, Invalid=2464, Unknown=0, NotChecked=0, Total=3306 [2024-10-11 21:13:23,518 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 255 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:13:23,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 290 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:13:23,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-10-11 21:13:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 154. [2024-10-11 21:13:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 124 states have (on average 1.0241935483870968) internal successors, (127), 122 states have internal predecessors, (127), 20 states have call successors, (20), 15 states have call predecessors, (20), 9 states have return successors, (47), 16 states have call predecessors, (47), 19 states have call successors, (47) [2024-10-11 21:13:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 194 transitions. [2024-10-11 21:13:23,530 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 194 transitions. Word has length 908 [2024-10-11 21:13:23,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:13:23,531 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 194 transitions. [2024-10-11 21:13:23,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.090909090909091) internal successors, (224), 44 states have internal predecessors, (224), 36 states have call successors, (42), 1 states have call predecessors, (42), 15 states have return successors, (60), 28 states have call predecessors, (60), 36 states have call successors, (60) [2024-10-11 21:13:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 194 transitions. [2024-10-11 21:13:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1758 [2024-10-11 21:13:23,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:13:23,547 INFO L215 NwaCegarLoop]: trace histogram [182, 175, 148, 93, 93, 93, 93, 88, 88, 88, 88, 88, 87, 87, 87, 86, 55, 34, 1, 1, 1, 1] [2024-10-11 21:13:23,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-11 21:13:23,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:13:23,748 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:13:23,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:13:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1844321576, now seen corresponding path program 12 times [2024-10-11 21:13:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:13:23,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171513872] [2024-10-11 21:13:23,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:13:23,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:13:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:13:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-11 21:13:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:25,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2024-10-11 21:13:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-11 21:13:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1356 [2024-10-11 21:13:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 113639 backedges. 3631 proven. 14188 refuted. 0 times theorem prover too weak. 95820 trivial. 0 not checked. [2024-10-11 21:13:26,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:13:26,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171513872] [2024-10-11 21:13:26,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171513872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:13:26,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197836863] [2024-10-11 21:13:26,672 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 21:13:26,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:13:26,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:13:26,673 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:13:26,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 21:13:27,295 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 84 check-sat command(s) [2024-10-11 21:13:27,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:13:27,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 2205 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-11 21:13:27,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:13:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 113639 backedges. 8380 proven. 11474 refuted. 0 times theorem prover too weak. 93785 trivial. 0 not checked. [2024-10-11 21:13:27,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:13:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 113639 backedges. 8396 proven. 11575 refuted. 0 times theorem prover too weak. 93668 trivial. 0 not checked. [2024-10-11 21:13:31,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197836863] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:13:31,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:13:31,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 37] total 57 [2024-10-11 21:13:31,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74827480] [2024-10-11 21:13:31,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:13:31,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-11 21:13:31,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:13:31,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-11 21:13:31,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=661, Invalid=2531, Unknown=0, NotChecked=0, Total=3192 [2024-10-11 21:13:31,297 INFO L87 Difference]: Start difference. First operand 154 states and 194 transitions. Second operand has 57 states, 57 states have (on average 4.859649122807017) internal successors, (277), 52 states have internal predecessors, (277), 41 states have call successors, (53), 13 states have call predecessors, (53), 15 states have return successors, (56), 32 states have call predecessors, (56), 30 states have call successors, (56) [2024-10-11 21:13:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:13:33,104 INFO L93 Difference]: Finished difference Result 657 states and 1100 transitions. [2024-10-11 21:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-10-11 21:13:33,105 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 4.859649122807017) internal successors, (277), 52 states have internal predecessors, (277), 41 states have call successors, (53), 13 states have call predecessors, (53), 15 states have return successors, (56), 32 states have call predecessors, (56), 30 states have call successors, (56) Word has length 1757 [2024-10-11 21:13:33,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:13:33,111 INFO L225 Difference]: With dead ends: 657 [2024-10-11 21:13:33,112 INFO L226 Difference]: Without dead ends: 508 [2024-10-11 21:13:33,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3991 GetRequests, 3836 SyntacticMatches, 12 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7641 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=4483, Invalid=16397, Unknown=0, NotChecked=0, Total=20880 [2024-10-11 21:13:33,122 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 1068 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:13:33,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 300 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:13:33,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-10-11 21:13:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 454. [2024-10-11 21:13:33,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 373 states have (on average 1.0402144772117963) internal successors, (388), 366 states have internal predecessors, (388), 64 states have call successors, (64), 58 states have call predecessors, (64), 16 states have return successors, (287), 29 states have call predecessors, (287), 63 states have call successors, (287) [2024-10-11 21:13:33,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 739 transitions. [2024-10-11 21:13:33,167 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 739 transitions. Word has length 1757 [2024-10-11 21:13:33,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:13:33,169 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 739 transitions. [2024-10-11 21:13:33,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.859649122807017) internal successors, (277), 52 states have internal predecessors, (277), 41 states have call successors, (53), 13 states have call predecessors, (53), 15 states have return successors, (56), 32 states have call predecessors, (56), 30 states have call successors, (56) [2024-10-11 21:13:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 739 transitions. [2024-10-11 21:13:33,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2024-10-11 21:13:33,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:13:33,177 INFO L215 NwaCegarLoop]: trace histogram [109, 108, 88, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 53, 34, 21, 1, 1, 1, 1] [2024-10-11 21:13:33,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 21:13:33,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 21:13:33,378 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:13:33,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:13:33,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1416701988, now seen corresponding path program 13 times [2024-10-11 21:13:33,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:13:33,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938535996] [2024-10-11 21:13:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:13:33,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:13:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:38,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 21:13:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:40,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:40,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:40,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:40,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-11 21:13:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:41,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2024-10-11 21:13:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:42,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:42,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:13:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:13:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 21:13:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 21:13:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 21:13:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:13:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 21:13:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 41466 backedges. 6686 proven. 7855 refuted. 0 times theorem prover too weak. 26925 trivial. 0 not checked. [2024-10-11 21:13:43,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:13:43,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938535996] [2024-10-11 21:13:43,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938535996] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:13:43,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051646338] [2024-10-11 21:13:43,405 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-11 21:13:43,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:13:43,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:13:43,406 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:13:43,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 21:13:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:13:43,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 1990 conjuncts, 217 conjuncts are in the unsatisfiable core [2024-10-11 21:13:43,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:13:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 41466 backedges. 6686 proven. 7855 refuted. 0 times theorem prover too weak. 26925 trivial. 0 not checked. [2024-10-11 21:13:44,759 INFO L311 TraceCheckSpWp]: Computing backward predicates...