./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/Fibonacci05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci05.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 97829031814878890268a6b8dbba5c3e987e2ec78ab2dc94181f9e68090060bd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:09:38,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:09:38,663 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:09:38,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:09:38,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:09:38,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:09:38,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:09:38,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:09:38,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:09:38,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:09:38,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:09:38,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:09:38,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:09:38,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:09:38,703 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:09:38,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:09:38,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:09:38,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:09:38,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:09:38,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:09:38,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:09:38,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:09:38,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:09:38,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:09:38,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:09:38,707 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:09:38,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:09:38,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:09:38,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:09:38,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:09:38,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:09:38,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:09:38,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:09:38,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:09:38,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:09:38,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:09:38,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:09:38,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:09:38,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:09:38,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:09:38,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:09:38,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:09:38,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:09:38,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:09:38,711 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97829031814878890268a6b8dbba5c3e987e2ec78ab2dc94181f9e68090060bd [2024-10-14 21:09:38,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:09:38,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:09:38,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:09:38,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:09:38,962 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:09:38,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci05.c [2024-10-14 21:09:40,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:09:40,376 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:09:40,376 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci05.c [2024-10-14 21:09:40,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618589705/94604c3c027f49818cffe98db99b5304/FLAGcce5d12bc [2024-10-14 21:09:40,781 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618589705/94604c3c027f49818cffe98db99b5304 [2024-10-14 21:09:40,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:09:40,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:09:40,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:09:40,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:09:40,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:09:40,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:09:40" (1/1) ... [2024-10-14 21:09:40,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2004e472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:40, skipping insertion in model container [2024-10-14 21:09:40,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:09:40" (1/1) ... [2024-10-14 21:09:40,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:09:40,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:09:40,984 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:09:41,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:09:41,016 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:09:41,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41 WrapperNode [2024-10-14 21:09:41,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:09:41,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:09:41,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:09:41,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:09:41,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,043 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-10-14 21:09:41,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:09:41,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:09:41,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:09:41,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:09:41,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,059 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]. [2024-10-14 21:09:41,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:09:41,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:09:41,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:09:41,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:09:41,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (1/1) ... [2024-10-14 21:09:41,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:09:41,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:41,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 21:09:41,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 21:09:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-10-14 21:09:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-10-14 21:09:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:09:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:09:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:09:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:09:41,208 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:09:41,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:09:41,339 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-14 21:09:41,341 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:09:41,369 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:09:41,370 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 21:09:41,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:09:41 BoogieIcfgContainer [2024-10-14 21:09:41,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:09:41,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:09:41,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:09:41,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:09:41,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:09:40" (1/3) ... [2024-10-14 21:09:41,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71093e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:09:41, skipping insertion in model container [2024-10-14 21:09:41,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:41" (2/3) ... [2024-10-14 21:09:41,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71093e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:09:41, skipping insertion in model container [2024-10-14 21:09:41,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:09:41" (3/3) ... [2024-10-14 21:09:41,379 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci05.c [2024-10-14 21:09:41,395 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:09:41,395 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 21:09:41,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:09:41,461 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;@5488615f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:09:41,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 21:09:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.5625) internal successors, (25), 22 states have internal predecessors, (25), 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) [2024-10-14 21:09:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 21:09:41,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:41,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 21:09:41,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:41,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:41,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1932596477, now seen corresponding path program 1 times [2024-10-14 21:09:41,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:41,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382431649] [2024-10-14 21:09:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:41,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:41,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:41,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382431649] [2024-10-14 21:09:41,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382431649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:41,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:41,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:09:41,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767476032] [2024-10-14 21:09:41,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:41,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:09:41,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:41,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:09:41,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:09:41,659 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.5625) internal successors, (25), 22 states have internal predecessors, (25), 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 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-14 21:09:41,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:41,705 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-10-14 21:09:41,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:09:41,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 6 [2024-10-14 21:09:41,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:41,713 INFO L225 Difference]: With dead ends: 31 [2024-10-14 21:09:41,713 INFO L226 Difference]: Without dead ends: 23 [2024-10-14 21:09:41,716 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 [2024-10-14 21:09:41,718 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 30 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 [2024-10-14 21:09:41,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 30 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:41,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-14 21:09:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-10-14 21:09:41,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 17 states have internal predecessors, (19), 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) [2024-10-14 21:09:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-10-14 21:09:41,747 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 6 [2024-10-14 21:09:41,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:41,748 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-10-14 21:09:41,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-14 21:09:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-10-14 21:09:41,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 21:09:41,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:41,749 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:41,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:09:41,749 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:41,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:41,750 INFO L85 PathProgramCache]: Analyzing trace with hash 219051399, now seen corresponding path program 1 times [2024-10-14 21:09:41,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:41,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079242013] [2024-10-14 21:09:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:41,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:41,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:41,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079242013] [2024-10-14 21:09:41,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079242013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:41,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:41,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:09:41,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267743835] [2024-10-14 21:09:41,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:41,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:41,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:41,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:09:41,820 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 5 states, 3 states have (on average 2.0) 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) [2024-10-14 21:09:41,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:41,883 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2024-10-14 21:09:41,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:09:41,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) 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 [2024-10-14 21:09:41,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:41,884 INFO L225 Difference]: With dead ends: 23 [2024-10-14 21:09:41,884 INFO L226 Difference]: Without dead ends: 21 [2024-10-14 21:09:41,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:09:41,885 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:41,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 22 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:41,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-14 21:09:41,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-10-14 21:09:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-10-14 21:09:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-10-14 21:09:41,893 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2024-10-14 21:09:41,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:41,893 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-14 21:09:41,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) 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) [2024-10-14 21:09:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-10-14 21:09:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 21:09:41,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:41,895 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:41,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 21:09:41,895 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:41,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:41,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1794218543, now seen corresponding path program 1 times [2024-10-14 21:09:41,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:41,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317493454] [2024-10-14 21:09:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:41,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:42,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:09:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:42,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 21:09:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 21:09:42,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:42,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317493454] [2024-10-14 21:09:42,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317493454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:42,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:42,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 21:09:42,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254212144] [2024-10-14 21:09:42,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:42,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:42,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:42,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:42,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:09:42,135 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-14 21:09:42,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:42,178 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2024-10-14 21:09:42,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:09:42,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 22 [2024-10-14 21:09:42,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:42,179 INFO L225 Difference]: With dead ends: 33 [2024-10-14 21:09:42,179 INFO L226 Difference]: Without dead ends: 31 [2024-10-14 21:09:42,180 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 [2024-10-14 21:09:42,180 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 46 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 [2024-10-14 21:09:42,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 46 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:42,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-10-14 21:09:42,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2024-10-14 21:09:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 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) [2024-10-14 21:09:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-10-14 21:09:42,189 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 22 [2024-10-14 21:09:42,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:42,193 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-10-14 21:09:42,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-14 21:09:42,193 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-10-14 21:09:42,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 21:09:42,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:42,194 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:42,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:09:42,194 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:42,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:42,195 INFO L85 PathProgramCache]: Analyzing trace with hash 605645438, now seen corresponding path program 1 times [2024-10-14 21:09:42,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:42,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028406246] [2024-10-14 21:09:42,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:42,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:42,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:42,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 21:09:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 21:09:42,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:42,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028406246] [2024-10-14 21:09:42,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028406246] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:42,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644416114] [2024-10-14 21:09:42,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:42,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:42,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:42,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:42,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:09:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:42,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 21:09:42,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 21:09:42,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 21:09:42,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644416114] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:42,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:42,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-10-14 21:09:42,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561794368] [2024-10-14 21:09:42,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:42,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 21:09:42,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:42,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 21:09:42,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-14 21:09:42,655 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 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) [2024-10-14 21:09:42,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:42,896 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2024-10-14 21:09:42,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 21:09:42,896 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 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 29 [2024-10-14 21:09:42,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:42,898 INFO L225 Difference]: With dead ends: 89 [2024-10-14 21:09:42,898 INFO L226 Difference]: Without dead ends: 63 [2024-10-14 21:09:42,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-10-14 21:09:42,900 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 106 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:42,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 64 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:42,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-14 21:09:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 51. [2024-10-14 21:09:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 40 states have internal predecessors, (41), 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) [2024-10-14 21:09:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2024-10-14 21:09:42,914 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 29 [2024-10-14 21:09:42,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:42,915 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2024-10-14 21:09:42,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 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) [2024-10-14 21:09:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2024-10-14 21:09:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 21:09:42,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:42,916 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:42,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:09:43,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:43,117 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:43,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:43,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1626315204, now seen corresponding path program 2 times [2024-10-14 21:09:43,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:43,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122161042] [2024-10-14 21:09:43,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:43,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:43,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:43,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 21:09:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 21:09:43,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:43,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122161042] [2024-10-14 21:09:43,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122161042] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:43,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524286752] [2024-10-14 21:09:43,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:09:43,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:43,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:43,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:43,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:09:43,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:09:43,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:43,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 21:09:43,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 21:09:43,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:09:43,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524286752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:43,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:09:43,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-14 21:09:43,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909815468] [2024-10-14 21:09:43,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:43,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:43,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:43,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:43,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:09:43,310 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-10-14 21:09:43,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:43,342 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2024-10-14 21:09:43,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:09:43,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 29 [2024-10-14 21:09:43,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:43,343 INFO L225 Difference]: With dead ends: 58 [2024-10-14 21:09:43,343 INFO L226 Difference]: Without dead ends: 57 [2024-10-14 21:09:43,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:09:43,344 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:43,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 53 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:43,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-14 21:09:43,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2024-10-14 21:09:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 41 states have internal predecessors, (43), 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) [2024-10-14 21:09:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2024-10-14 21:09:43,357 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 29 [2024-10-14 21:09:43,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:43,357 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2024-10-14 21:09:43,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-10-14 21:09:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2024-10-14 21:09:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-14 21:09:43,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:43,361 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] [2024-10-14 21:09:43,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 21:09:43,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:43,562 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:43,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:43,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1123836174, now seen corresponding path program 1 times [2024-10-14 21:09:43,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:43,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755407193] [2024-10-14 21:09:43,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:43,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:43,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 21:09:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 21:09:43,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:43,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755407193] [2024-10-14 21:09:43,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755407193] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:43,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964285194] [2024-10-14 21:09:43,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:43,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:43,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:43,657 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:43,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:09:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:43,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:09:43,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 21:09:43,740 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:09:43,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964285194] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:43,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:09:43,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-14 21:09:43,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575875660] [2024-10-14 21:09:43,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:43,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:09:43,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:43,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:09:43,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:09:43,742 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2024-10-14 21:09:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:43,775 INFO L93 Difference]: Finished difference Result 80 states and 115 transitions. [2024-10-14 21:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:09:43,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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 [2024-10-14 21:09:43,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:43,777 INFO L225 Difference]: With dead ends: 80 [2024-10-14 21:09:43,779 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 21:09:43,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:09:43,781 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:43,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 47 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:43,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 21:09:43,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 62. [2024-10-14 21:09:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 48 states have internal predecessors, (50), 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) [2024-10-14 21:09:43,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2024-10-14 21:09:43,796 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 30 [2024-10-14 21:09:43,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:43,796 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2024-10-14 21:09:43,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2024-10-14 21:09:43,796 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2024-10-14 21:09:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 21:09:43,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:43,797 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 21:09:43,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 21:09:43,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:43,998 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:43,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:43,998 INFO L85 PathProgramCache]: Analyzing trace with hash -671165728, now seen corresponding path program 1 times [2024-10-14 21:09:43,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:43,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163486566] [2024-10-14 21:09:43,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:43,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:09:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 21:09:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-14 21:09:44,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:44,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163486566] [2024-10-14 21:09:44,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163486566] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:44,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845058630] [2024-10-14 21:09:44,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:44,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:44,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:44,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:44,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:09:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 21:09:44,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 21:09:44,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-14 21:09:44,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845058630] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:44,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:44,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-10-14 21:09:44,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785822419] [2024-10-14 21:09:44,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:44,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 21:09:44,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:44,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 21:09:44,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-10-14 21:09:44,392 INFO L87 Difference]: Start difference. First operand 62 states and 85 transitions. Second operand has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 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) [2024-10-14 21:09:44,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:44,514 INFO L93 Difference]: Finished difference Result 125 states and 195 transitions. [2024-10-14 21:09:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 21:09:44,514 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 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 44 [2024-10-14 21:09:44,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:44,528 INFO L225 Difference]: With dead ends: 125 [2024-10-14 21:09:44,528 INFO L226 Difference]: Without dead ends: 124 [2024-10-14 21:09:44,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-10-14 21:09:44,529 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:44,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 110 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:44,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-14 21:09:44,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 96. [2024-10-14 21:09:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 74 states have (on average 1.0810810810810811) internal successors, (80), 73 states have internal predecessors, (80), 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) [2024-10-14 21:09:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 157 transitions. [2024-10-14 21:09:44,556 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 157 transitions. Word has length 44 [2024-10-14 21:09:44,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:44,557 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 157 transitions. [2024-10-14 21:09:44,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 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) [2024-10-14 21:09:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 157 transitions. [2024-10-14 21:09:44,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 21:09:44,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:44,559 INFO L215 NwaCegarLoop]: trace histogram [11, 9, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1] [2024-10-14 21:09:44,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 21:09:44,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:44,760 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:44,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:44,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1039195348, now seen corresponding path program 1 times [2024-10-14 21:09:44,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:44,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650966467] [2024-10-14 21:09:44,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:44,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:09:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 21:09:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 21:09:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 40 proven. 109 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-10-14 21:09:44,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:44,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650966467] [2024-10-14 21:09:44,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650966467] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:44,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209783012] [2024-10-14 21:09:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:44,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:44,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:44,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:44,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:09:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:44,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 21:09:44,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 167 proven. 67 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-10-14 21:09:45,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 49 proven. 137 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-10-14 21:09:45,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209783012] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:45,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:45,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 15 [2024-10-14 21:09:45,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604411687] [2024-10-14 21:09:45,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:45,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 21:09:45,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:45,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 21:09:45,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-10-14 21:09:45,248 INFO L87 Difference]: Start difference. First operand 96 states and 157 transitions. Second operand has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 10 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 9 states have call successors, (15) [2024-10-14 21:09:45,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:45,397 INFO L93 Difference]: Finished difference Result 220 states and 397 transitions. [2024-10-14 21:09:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:09:45,398 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 10 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 9 states have call successors, (15) Word has length 95 [2024-10-14 21:09:45,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:45,402 INFO L225 Difference]: With dead ends: 220 [2024-10-14 21:09:45,404 INFO L226 Difference]: Without dead ends: 126 [2024-10-14 21:09:45,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 199 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2024-10-14 21:09:45,407 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 78 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:45,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 55 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:45,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-14 21:09:45,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 108. [2024-10-14 21:09:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 84 states have (on average 1.0833333333333333) internal successors, (91), 82 states have internal predecessors, (91), 12 states have call successors, (12), 3 states have call predecessors, (12), 10 states have return successors, (75), 22 states have call predecessors, (75), 11 states have call successors, (75) [2024-10-14 21:09:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 178 transitions. [2024-10-14 21:09:45,426 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 178 transitions. Word has length 95 [2024-10-14 21:09:45,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:45,426 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 178 transitions. [2024-10-14 21:09:45,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 15 states have internal predecessors, (84), 10 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (15), 6 states have call predecessors, (15), 9 states have call successors, (15) [2024-10-14 21:09:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2024-10-14 21:09:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 21:09:45,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:45,431 INFO L215 NwaCegarLoop]: trace histogram [19, 17, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 1, 1, 1, 1] [2024-10-14 21:09:45,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 21:09:45,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:45,636 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:45,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:45,636 INFO L85 PathProgramCache]: Analyzing trace with hash 787906008, now seen corresponding path program 2 times [2024-10-14 21:09:45,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:45,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438916024] [2024-10-14 21:09:45,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:45,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:09:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 21:09:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 21:09:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 21:09:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 21:09:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 21:09:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 21:09:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 63 proven. 260 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2024-10-14 21:09:45,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:45,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438916024] [2024-10-14 21:09:45,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438916024] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:45,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105982026] [2024-10-14 21:09:45,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:09:45,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:45,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:45,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:45,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:09:45,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:09:45,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:45,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 21:09:45,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 566 proven. 167 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-10-14 21:09:46,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 90 proven. 411 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-10-14 21:09:46,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105982026] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:46,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:46,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 12] total 17 [2024-10-14 21:09:46,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791245371] [2024-10-14 21:09:46,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:46,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 21:09:46,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:46,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 21:09:46,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-10-14 21:09:46,439 INFO L87 Difference]: Start difference. First operand 108 states and 178 transitions. Second operand has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 17 states have internal predecessors, (91), 11 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (18), 6 states have call predecessors, (18), 10 states have call successors, (18) [2024-10-14 21:09:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:46,604 INFO L93 Difference]: Finished difference Result 201 states and 347 transitions. [2024-10-14 21:09:46,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 21:09:46,604 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 17 states have internal predecessors, (91), 11 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (18), 6 states have call predecessors, (18), 10 states have call successors, (18) Word has length 170 [2024-10-14 21:09:46,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:46,605 INFO L225 Difference]: With dead ends: 201 [2024-10-14 21:09:46,605 INFO L226 Difference]: Without dead ends: 95 [2024-10-14 21:09:46,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 361 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-10-14 21:09:46,607 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 147 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:46,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 55 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:46,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-14 21:09:46,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 77. [2024-10-14 21:09:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 60 states have (on average 1.1166666666666667) internal successors, (67), 58 states have internal predecessors, (67), 8 states have call successors, (8), 4 states have call predecessors, (8), 7 states have return successors, (27), 14 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-14 21:09:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 102 transitions. [2024-10-14 21:09:46,615 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 102 transitions. Word has length 170 [2024-10-14 21:09:46,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:46,616 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 102 transitions. [2024-10-14 21:09:46,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 17 states have internal predecessors, (91), 11 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (18), 6 states have call predecessors, (18), 10 states have call successors, (18) [2024-10-14 21:09:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2024-10-14 21:09:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 21:09:46,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:46,617 INFO L215 NwaCegarLoop]: trace histogram [20, 17, 17, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 3, 1, 1, 1] [2024-10-14 21:09:46,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 21:09:46,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:46,821 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:46,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:46,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1730114687, now seen corresponding path program 3 times [2024-10-14 21:09:46,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:46,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976311623] [2024-10-14 21:09:46,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:46,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:46,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:46,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 21:09:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 21:09:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 125 proven. 422 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-10-14 21:09:47,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:47,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976311623] [2024-10-14 21:09:47,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976311623] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:47,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123490744] [2024-10-14 21:09:47,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:09:47,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:47,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:47,129 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:47,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 21:09:47,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-14 21:09:47,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:47,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:09:47,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 325 proven. 21 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-10-14 21:09:47,249 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 325 proven. 22 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2024-10-14 21:09:47,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123490744] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:47,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:47,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 21 [2024-10-14 21:09:47,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718783540] [2024-10-14 21:09:47,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:47,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-14 21:09:47,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:47,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-14 21:09:47,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-10-14 21:09:47,547 INFO L87 Difference]: Start difference. First operand 77 states and 102 transitions. Second operand has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 11 states have call successors, (16), 2 states have call predecessors, (16), 8 states have return successors, (18), 13 states have call predecessors, (18), 10 states have call successors, (18) [2024-10-14 21:09:47,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:47,738 INFO L93 Difference]: Finished difference Result 149 states and 215 transitions. [2024-10-14 21:09:47,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 21:09:47,738 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 11 states have call successors, (16), 2 states have call predecessors, (16), 8 states have return successors, (18), 13 states have call predecessors, (18), 10 states have call successors, (18) Word has length 182 [2024-10-14 21:09:47,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:47,739 INFO L225 Difference]: With dead ends: 149 [2024-10-14 21:09:47,739 INFO L226 Difference]: Without dead ends: 74 [2024-10-14 21:09:47,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 388 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2024-10-14 21:09:47,740 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 132 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:47,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 105 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-14 21:09:47,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2024-10-14 21:09:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 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) [2024-10-14 21:09:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2024-10-14 21:09:47,745 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 182 [2024-10-14 21:09:47,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:47,746 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2024-10-14 21:09:47,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 11 states have call successors, (16), 2 states have call predecessors, (16), 8 states have return successors, (18), 13 states have call predecessors, (18), 10 states have call successors, (18) [2024-10-14 21:09:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2024-10-14 21:09:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 21:09:47,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:47,747 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1] [2024-10-14 21:09:47,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 21:09:47,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:47,948 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:47,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:47,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1346385087, now seen corresponding path program 4 times [2024-10-14 21:09:47,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:47,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553398289] [2024-10-14 21:09:47,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:47,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 21:09:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 35 proven. 23 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-10-14 21:09:48,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:48,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553398289] [2024-10-14 21:09:48,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553398289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:48,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857911479] [2024-10-14 21:09:48,163 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:09:48,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:48,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:48,164 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:48,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 21:09:48,209 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:09:48,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:48,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:09:48,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-14 21:09:48,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-14 21:09:48,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857911479] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:48,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:48,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 14 [2024-10-14 21:09:48,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852447301] [2024-10-14 21:09:48,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:48,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 21:09:48,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:48,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 21:09:48,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-14 21:09:48,399 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. Second operand has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 21:09:48,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:48,474 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2024-10-14 21:09:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:09:48,474 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) Word has length 88 [2024-10-14 21:09:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:48,475 INFO L225 Difference]: With dead ends: 64 [2024-10-14 21:09:48,477 INFO L226 Difference]: Without dead ends: 63 [2024-10-14 21:09:48,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 189 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-14 21:09:48,478 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 4 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:48,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 204 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:48,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-14 21:09:48,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-10-14 21:09:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.06) internal successors, (53), 48 states have internal predecessors, (53), 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) [2024-10-14 21:09:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2024-10-14 21:09:48,487 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 88 [2024-10-14 21:09:48,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:48,487 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2024-10-14 21:09:48,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 21:09:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2024-10-14 21:09:48,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-14 21:09:48,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:48,489 INFO L215 NwaCegarLoop]: trace histogram [25, 23, 20, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 8, 5, 1, 1, 1] [2024-10-14 21:09:48,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 21:09:48,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 21:09:48,689 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:48,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:48,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1198721855, now seen corresponding path program 2 times [2024-10-14 21:09:48,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:48,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169669275] [2024-10-14 21:09:48,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:48,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:09:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:09:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-14 21:09:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 255 proven. 631 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2024-10-14 21:09:49,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:49,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169669275] [2024-10-14 21:09:49,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169669275] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:49,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452312944] [2024-10-14 21:09:49,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:09:49,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:49,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:49,089 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:49,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 21:09:49,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:09:49,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:49,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 21:09:49,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 901 proven. 533 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2024-10-14 21:09:49,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 283 proven. 850 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2024-10-14 21:09:50,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452312944] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:50,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:50,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 18] total 26 [2024-10-14 21:09:50,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776037790] [2024-10-14 21:09:50,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:50,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-14 21:09:50,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:50,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-14 21:09:50,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-10-14 21:09:50,108 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand has 26 states, 26 states have (on average 5.8076923076923075) internal successors, (151), 26 states have internal predecessors, (151), 22 states have call successors, (29), 3 states have call predecessors, (29), 9 states have return successors, (34), 14 states have call predecessors, (34), 21 states have call successors, (34) [2024-10-14 21:09:50,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:50,333 INFO L93 Difference]: Finished difference Result 153 states and 185 transitions. [2024-10-14 21:09:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 21:09:50,333 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.8076923076923075) internal successors, (151), 26 states have internal predecessors, (151), 22 states have call successors, (29), 3 states have call predecessors, (29), 9 states have return successors, (34), 14 states have call predecessors, (34), 21 states have call successors, (34) Word has length 235 [2024-10-14 21:09:50,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:50,334 INFO L225 Difference]: With dead ends: 153 [2024-10-14 21:09:50,334 INFO L226 Difference]: Without dead ends: 94 [2024-10-14 21:09:50,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 498 SyntacticMatches, 10 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=428, Invalid=1054, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 21:09:50,349 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 101 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:50,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 81 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-14 21:09:50,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 81. [2024-10-14 21:09:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 62 states have internal predecessors, (70), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (17), 10 states have call predecessors, (17), 8 states have call successors, (17) [2024-10-14 21:09:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2024-10-14 21:09:50,359 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 96 transitions. Word has length 235 [2024-10-14 21:09:50,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:50,359 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 96 transitions. [2024-10-14 21:09:50,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.8076923076923075) internal successors, (151), 26 states have internal predecessors, (151), 22 states have call successors, (29), 3 states have call predecessors, (29), 9 states have return successors, (34), 14 states have call predecessors, (34), 21 states have call successors, (34) [2024-10-14 21:09:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2024-10-14 21:09:50,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-14 21:09:50,360 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:50,360 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 1, 1, 1] [2024-10-14 21:09:50,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-14 21:09:50,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:50,563 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:50,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:50,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1925901130, now seen corresponding path program 3 times [2024-10-14 21:09:50,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:50,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582644905] [2024-10-14 21:09:50,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:50,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:09:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 21:09:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 202 proven. 68 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-10-14 21:09:50,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:50,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582644905] [2024-10-14 21:09:50,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582644905] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:50,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268815887] [2024-10-14 21:09:50,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:09:50,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:50,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:50,756 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:50,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 21:09:50,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-14 21:09:50,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:50,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 21:09:50,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 203 proven. 97 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-10-14 21:09:50,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 203 proven. 106 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-10-14 21:09:51,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268815887] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:51,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:51,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 19 [2024-10-14 21:09:51,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093035518] [2024-10-14 21:09:51,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:51,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 21:09:51,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:51,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 21:09:51,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-10-14 21:09:51,251 INFO L87 Difference]: Start difference. First operand 81 states and 96 transitions. Second operand has 19 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 19 states have internal predecessors, (99), 12 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (20), 11 states have call predecessors, (20), 12 states have call successors, (20) [2024-10-14 21:09:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:51,350 INFO L93 Difference]: Finished difference Result 157 states and 189 transitions. [2024-10-14 21:09:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 21:09:51,350 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 19 states have internal predecessors, (99), 12 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (20), 11 states have call predecessors, (20), 12 states have call successors, (20) Word has length 122 [2024-10-14 21:09:51,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:51,351 INFO L225 Difference]: With dead ends: 157 [2024-10-14 21:09:51,351 INFO L226 Difference]: Without dead ends: 80 [2024-10-14 21:09:51,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 254 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2024-10-14 21:09:51,352 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 31 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:51,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 65 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:51,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-14 21:09:51,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2024-10-14 21:09:51,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.064516129032258) internal successors, (66), 60 states have internal predecessors, (66), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2024-10-14 21:09:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2024-10-14 21:09:51,358 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 122 [2024-10-14 21:09:51,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:51,358 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2024-10-14 21:09:51,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 19 states have internal predecessors, (99), 12 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (20), 11 states have call predecessors, (20), 12 states have call successors, (20) [2024-10-14 21:09:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2024-10-14 21:09:51,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 21:09:51,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:51,359 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] [2024-10-14 21:09:51,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 21:09:51,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 21:09:51,560 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:51,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:51,560 INFO L85 PathProgramCache]: Analyzing trace with hash 636223868, now seen corresponding path program 4 times [2024-10-14 21:09:51,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:51,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314634619] [2024-10-14 21:09:51,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:09:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 78 proven. 135 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-10-14 21:09:51,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:51,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314634619] [2024-10-14 21:09:51,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314634619] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:51,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22657579] [2024-10-14 21:09:51,989 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:09:51,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:51,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:51,993 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:51,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 21:09:52,059 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:09:52,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:52,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-14 21:09:52,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 78 proven. 135 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-10-14 21:09:52,192 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 144 proven. 128 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-10-14 21:09:53,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22657579] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:53,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:53,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 17] total 26 [2024-10-14 21:09:53,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057416078] [2024-10-14 21:09:53,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:53,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-14 21:09:53,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:53,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-14 21:09:53,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2024-10-14 21:09:53,026 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 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) [2024-10-14 21:09:53,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:53,136 INFO L93 Difference]: Finished difference Result 109 states and 137 transitions. [2024-10-14 21:09:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 21:09:53,137 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 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 148 [2024-10-14 21:09:53,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:53,138 INFO L225 Difference]: With dead ends: 109 [2024-10-14 21:09:53,138 INFO L226 Difference]: Without dead ends: 108 [2024-10-14 21:09:53,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 310 SyntacticMatches, 16 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2024-10-14 21:09:53,139 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:53,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 151 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:53,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-14 21:09:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 99. [2024-10-14 21:09:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 79 states have (on average 1.0506329113924051) internal successors, (83), 76 states have internal predecessors, (83), 11 states have call successors, (11), 8 states have call predecessors, (11), 8 states have return successors, (28), 14 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-14 21:09:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 122 transitions. [2024-10-14 21:09:53,145 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 122 transitions. Word has length 148 [2024-10-14 21:09:53,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:53,145 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 122 transitions. [2024-10-14 21:09:53,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 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) [2024-10-14 21:09:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2024-10-14 21:09:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-14 21:09:53,147 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:53,147 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] [2024-10-14 21:09:53,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 21:09:53,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 21:09:53,352 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:53,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:53,352 INFO L85 PathProgramCache]: Analyzing trace with hash 438391540, now seen corresponding path program 5 times [2024-10-14 21:09:53,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:53,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985617557] [2024-10-14 21:09:53,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:53,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:09:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 21:09:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:09:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 548 proven. 998 refuted. 0 times theorem prover too weak. 1736 trivial. 0 not checked. [2024-10-14 21:09:53,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:53,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985617557] [2024-10-14 21:09:53,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985617557] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:53,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045671195] [2024-10-14 21:09:53,972 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 21:09:53,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:53,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:53,974 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:53,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 21:09:54,056 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-10-14 21:09:54,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:54,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-14 21:09:54,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 575 proven. 1157 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-14 21:09:54,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 572 proven. 1216 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2024-10-14 21:09:55,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045671195] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:55,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:55,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 22] total 33 [2024-10-14 21:09:55,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917060705] [2024-10-14 21:09:55,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:55,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-14 21:09:55,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:55,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-14 21:09:55,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=803, Unknown=0, NotChecked=0, Total=1056 [2024-10-14 21:09:55,431 INFO L87 Difference]: Start difference. First operand 99 states and 122 transitions. Second operand has 33 states, 33 states have (on average 5.0) internal successors, (165), 33 states have internal predecessors, (165), 26 states have call successors, (31), 1 states have call predecessors, (31), 10 states have return successors, (41), 18 states have call predecessors, (41), 26 states have call successors, (41) [2024-10-14 21:09:55,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:55,769 INFO L93 Difference]: Finished difference Result 240 states and 329 transitions. [2024-10-14 21:09:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-14 21:09:55,773 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 5.0) internal successors, (165), 33 states have internal predecessors, (165), 26 states have call successors, (31), 1 states have call predecessors, (31), 10 states have return successors, (41), 18 states have call predecessors, (41), 26 states have call successors, (41) Word has length 305 [2024-10-14 21:09:55,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:55,774 INFO L225 Difference]: With dead ends: 240 [2024-10-14 21:09:55,775 INFO L226 Difference]: Without dead ends: 145 [2024-10-14 21:09:55,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 647 SyntacticMatches, 10 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=605, Invalid=1651, Unknown=0, NotChecked=0, Total=2256 [2024-10-14 21:09:55,776 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 252 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:55,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 106 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:09:55,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-14 21:09:55,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2024-10-14 21:09:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 104 states have (on average 1.0480769230769231) internal successors, (109), 100 states have internal predecessors, (109), 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) [2024-10-14 21:09:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 161 transitions. [2024-10-14 21:09:55,790 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 161 transitions. Word has length 305 [2024-10-14 21:09:55,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:55,792 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 161 transitions. [2024-10-14 21:09:55,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.0) internal successors, (165), 33 states have internal predecessors, (165), 26 states have call successors, (31), 1 states have call predecessors, (31), 10 states have return successors, (41), 18 states have call predecessors, (41), 26 states have call successors, (41) [2024-10-14 21:09:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 161 transitions. [2024-10-14 21:09:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-14 21:09:55,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:55,795 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] [2024-10-14 21:09:55,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 21:09:55,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 21:09:55,999 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:55,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:55,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1235398882, now seen corresponding path program 6 times [2024-10-14 21:09:55,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:55,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107441465] [2024-10-14 21:09:55,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:56,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:09:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:09:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:09:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 21:09:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 622 proven. 736 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2024-10-14 21:09:56,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:56,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107441465] [2024-10-14 21:09:56,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107441465] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:56,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097517786] [2024-10-14 21:09:56,512 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-14 21:09:56,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:56,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:56,513 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:56,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 21:09:56,620 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-10-14 21:09:56,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:56,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 21:09:56,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 724 proven. 797 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2024-10-14 21:09:56,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 740 proven. 824 refuted. 0 times theorem prover too weak. 1718 trivial. 0 not checked. [2024-10-14 21:09:57,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097517786] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:57,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:57,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 19] total 30 [2024-10-14 21:09:57,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824078935] [2024-10-14 21:09:57,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:57,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-14 21:09:57,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:57,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-14 21:09:57,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2024-10-14 21:09:57,668 INFO L87 Difference]: Start difference. First operand 129 states and 161 transitions. Second operand has 30 states, 30 states have (on average 5.333333333333333) internal successors, (160), 30 states have internal predecessors, (160), 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) [2024-10-14 21:09:58,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:58,006 INFO L93 Difference]: Finished difference Result 256 states and 344 transitions. [2024-10-14 21:09:58,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 21:09:58,007 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 5.333333333333333) internal successors, (160), 30 states have internal predecessors, (160), 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 305 [2024-10-14 21:09:58,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:58,009 INFO L225 Difference]: With dead ends: 256 [2024-10-14 21:09:58,009 INFO L226 Difference]: Without dead ends: 131 [2024-10-14 21:09:58,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 647 SyntacticMatches, 9 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=420, Invalid=1220, Unknown=0, NotChecked=0, Total=1640 [2024-10-14 21:09:58,011 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 108 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:58,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 201 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:09:58,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-14 21:09:58,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2024-10-14 21:09:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 89 states have (on average 1.0337078651685394) internal successors, (92), 87 states have internal predecessors, (92), 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) [2024-10-14 21:09:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 134 transitions. [2024-10-14 21:09:58,019 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 134 transitions. Word has length 305 [2024-10-14 21:09:58,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:58,020 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 134 transitions. [2024-10-14 21:09:58,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.333333333333333) internal successors, (160), 30 states have internal predecessors, (160), 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) [2024-10-14 21:09:58,020 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 134 transitions. [2024-10-14 21:09:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 758 [2024-10-14 21:09:58,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:58,028 INFO L215 NwaCegarLoop]: trace histogram [79, 75, 64, 40, 40, 40, 40, 38, 38, 38, 38, 38, 37, 37, 37, 36, 24, 15, 1, 1, 1] [2024-10-14 21:09:58,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-14 21:09:58,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 21:09:58,233 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:09:58,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:58,233 INFO L85 PathProgramCache]: Analyzing trace with hash 2116800937, now seen corresponding path program 7 times [2024-10-14 21:09:58,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:58,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537590343] [2024-10-14 21:09:58,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:58,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:09:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:09:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:09:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:58,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 21:09:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:09:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:09:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-10-14 21:09:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:09:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:09:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:09:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:09:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:09:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:09:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20878 backedges. 1130 proven. 4059 refuted. 0 times theorem prover too weak. 15689 trivial. 0 not checked. [2024-10-14 21:09:59,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:59,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537590343] [2024-10-14 21:09:59,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537590343] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:59,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269817863] [2024-10-14 21:09:59,300 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-14 21:09:59,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:59,303 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:59,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 21:09:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:59,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-14 21:09:59,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20878 backedges. 10417 proven. 2740 refuted. 0 times theorem prover too weak. 7721 trivial. 0 not checked. [2024-10-14 21:09:59,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:01,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20878 backedges. 1301 proven. 5036 refuted. 0 times theorem prover too weak. 14541 trivial. 0 not checked. [2024-10-14 21:10:01,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269817863] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:01,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:01,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 24] total 34 [2024-10-14 21:10:01,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518769809] [2024-10-14 21:10:01,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:01,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-14 21:10:01,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:01,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-14 21:10:01,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 21:10:01,330 INFO L87 Difference]: Start difference. First operand 111 states and 134 transitions. Second operand has 34 states, 34 states have (on average 5.617647058823529) internal successors, (191), 34 states have internal predecessors, (191), 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) [2024-10-14 21:10:01,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:01,709 INFO L93 Difference]: Finished difference Result 257 states and 336 transitions. [2024-10-14 21:10:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-14 21:10:01,709 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.617647058823529) internal successors, (191), 34 states have internal predecessors, (191), 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 757 [2024-10-14 21:10:01,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:01,711 INFO L225 Difference]: With dead ends: 257 [2024-10-14 21:10:01,711 INFO L226 Difference]: Without dead ends: 150 [2024-10-14 21:10:01,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1708 GetRequests, 1639 SyntacticMatches, 16 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=841, Invalid=2129, Unknown=0, NotChecked=0, Total=2970 [2024-10-14 21:10:01,712 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 176 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:01,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 118 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:10:01,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-14 21:10:01,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 123. [2024-10-14 21:10:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 98 states have (on average 1.030612244897959) internal successors, (101), 97 states have internal predecessors, (101), 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) [2024-10-14 21:10:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 152 transitions. [2024-10-14 21:10:01,725 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 152 transitions. Word has length 757 [2024-10-14 21:10:01,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:01,725 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 152 transitions. [2024-10-14 21:10:01,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.617647058823529) internal successors, (191), 34 states have internal predecessors, (191), 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) [2024-10-14 21:10:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 152 transitions. [2024-10-14 21:10:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2024-10-14 21:10:01,729 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:01,729 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] [2024-10-14 21:10:01,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 21:10:01,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:01,934 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:01,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:01,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1288450524, now seen corresponding path program 8 times [2024-10-14 21:10:01,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:01,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058478478] [2024-10-14 21:10:01,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:01,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:10:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 21:10:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 820 proven. 1112 refuted. 0 times theorem prover too weak. 3696 trivial. 0 not checked. [2024-10-14 21:10:03,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:03,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058478478] [2024-10-14 21:10:03,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058478478] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:03,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816622154] [2024-10-14 21:10:03,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:10:03,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:03,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:03,660 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:03,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 21:10:03,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:10:03,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:03,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-10-14 21:10:03,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 820 proven. 1112 refuted. 0 times theorem prover too weak. 3696 trivial. 0 not checked. [2024-10-14 21:10:04,128 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 1149 proven. 1015 refuted. 0 times theorem prover too weak. 3464 trivial. 0 not checked. [2024-10-14 21:10:09,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816622154] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:09,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:09,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 29] total 40 [2024-10-14 21:10:09,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848003048] [2024-10-14 21:10:09,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:09,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-14 21:10:09,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:09,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-14 21:10:09,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-10-14 21:10:09,379 INFO L87 Difference]: Start difference. First operand 123 states and 152 transitions. Second operand has 41 states, 40 states have (on average 2.6) internal successors, (104), 41 states have internal predecessors, (104), 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) [2024-10-14 21:10:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:09,507 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2024-10-14 21:10:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-14 21:10:09,507 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.6) internal successors, (104), 41 states have internal predecessors, (104), 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 397 [2024-10-14 21:10:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:09,509 INFO L225 Difference]: With dead ends: 154 [2024-10-14 21:10:09,509 INFO L226 Difference]: Without dead ends: 153 [2024-10-14 21:10:09,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 852 SyntacticMatches, 62 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2284 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=409, Invalid=1483, Unknown=0, NotChecked=0, Total=1892 [2024-10-14 21:10:09,510 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:09,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 135 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:10:09,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-10-14 21:10:09,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 144. [2024-10-14 21:10:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 115 states have (on average 1.0260869565217392) internal successors, (118), 113 states have internal predecessors, (118), 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) [2024-10-14 21:10:09,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 191 transitions. [2024-10-14 21:10:09,519 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 191 transitions. Word has length 397 [2024-10-14 21:10:09,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:09,521 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 191 transitions. [2024-10-14 21:10:09,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.6) internal successors, (104), 41 states have internal predecessors, (104), 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) [2024-10-14 21:10:09,521 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 191 transitions. [2024-10-14 21:10:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2024-10-14 21:10:09,536 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:09,537 INFO L215 NwaCegarLoop]: trace histogram [84, 82, 68, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 41, 40, 26, 16, 1, 1, 1] [2024-10-14 21:10:09,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-14 21:10:09,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 21:10:09,740 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:09,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:09,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1505805800, now seen corresponding path program 9 times [2024-10-14 21:10:09,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:09,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433473158] [2024-10-14 21:10:09,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:09,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:10:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2024-10-14 21:10:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:10:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24215 backedges. 2368 proven. 4942 refuted. 0 times theorem prover too weak. 16905 trivial. 0 not checked. [2024-10-14 21:10:11,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:11,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433473158] [2024-10-14 21:10:11,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433473158] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:11,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447375388] [2024-10-14 21:10:11,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:10:11,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:11,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:11,251 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:11,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 21:10:11,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2024-10-14 21:10:11,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:11,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 21:10:11,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 24215 backedges. 3117 proven. 1710 refuted. 0 times theorem prover too weak. 19388 trivial. 0 not checked. [2024-10-14 21:10:11,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 24215 backedges. 3117 proven. 1773 refuted. 0 times theorem prover too weak. 19325 trivial. 0 not checked. [2024-10-14 21:10:12,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447375388] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:12,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:12,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13, 19] total 39 [2024-10-14 21:10:12,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401897156] [2024-10-14 21:10:12,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:12,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-14 21:10:12,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:12,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-14 21:10:12,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1121, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 21:10:12,980 INFO L87 Difference]: Start difference. First operand 144 states and 191 transitions. Second operand has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 39 states have internal predecessors, (186), 21 states have call successors, (33), 1 states have call predecessors, (33), 15 states have return successors, (46), 34 states have call predecessors, (46), 21 states have call successors, (46) [2024-10-14 21:10:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:13,395 INFO L93 Difference]: Finished difference Result 336 states and 488 transitions. [2024-10-14 21:10:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-14 21:10:13,396 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 39 states have internal predecessors, (186), 21 states have call successors, (33), 1 states have call predecessors, (33), 15 states have return successors, (46), 34 states have call predecessors, (46), 21 states have call successors, (46) Word has length 815 [2024-10-14 21:10:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:13,398 INFO L225 Difference]: With dead ends: 336 [2024-10-14 21:10:13,398 INFO L226 Difference]: Without dead ends: 196 [2024-10-14 21:10:13,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1846 GetRequests, 1774 SyntacticMatches, 9 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1475 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=988, Invalid=3172, Unknown=0, NotChecked=0, Total=4160 [2024-10-14 21:10:13,400 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 395 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:13,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 209 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:10:13,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-10-14 21:10:13,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 183. [2024-10-14 21:10:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 148 states have (on average 1.0337837837837838) internal successors, (153), 144 states have internal predecessors, (153), 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) [2024-10-14 21:10:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 240 transitions. [2024-10-14 21:10:13,409 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 240 transitions. Word has length 815 [2024-10-14 21:10:13,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:13,410 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 240 transitions. [2024-10-14 21:10:13,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 39 states have internal predecessors, (186), 21 states have call successors, (33), 1 states have call predecessors, (33), 15 states have return successors, (46), 34 states have call predecessors, (46), 21 states have call successors, (46) [2024-10-14 21:10:13,410 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 240 transitions. [2024-10-14 21:10:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2024-10-14 21:10:13,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:13,414 INFO L215 NwaCegarLoop]: trace histogram [84, 82, 68, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 41, 40, 26, 16, 1, 1, 1] [2024-10-14 21:10:13,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 21:10:13,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:13,614 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:13,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:13,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1990926736, now seen corresponding path program 10 times [2024-10-14 21:10:13,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:13,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637623602] [2024-10-14 21:10:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:10:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-14 21:10:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:14,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2024-10-14 21:10:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 24215 backedges. 2423 proven. 4185 refuted. 0 times theorem prover too weak. 17607 trivial. 0 not checked. [2024-10-14 21:10:15,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:15,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637623602] [2024-10-14 21:10:15,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637623602] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:15,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576244171] [2024-10-14 21:10:15,085 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:10:15,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:15,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:15,086 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:15,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 21:10:15,320 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:10:15,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:15,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-14 21:10:15,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 24215 backedges. 12370 proven. 2667 refuted. 0 times theorem prover too weak. 9178 trivial. 0 not checked. [2024-10-14 21:10:15,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 24215 backedges. 2300 proven. 5308 refuted. 0 times theorem prover too weak. 16607 trivial. 0 not checked. [2024-10-14 21:10:18,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576244171] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:18,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:18,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 27] total 39 [2024-10-14 21:10:18,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564605142] [2024-10-14 21:10:18,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:18,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-14 21:10:18,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:18,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-14 21:10:18,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1120, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 21:10:18,045 INFO L87 Difference]: Start difference. First operand 183 states and 240 transitions. Second operand has 39 states, 39 states have (on average 5.384615384615385) internal successors, (210), 39 states have internal predecessors, (210), 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) [2024-10-14 21:10:18,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:18,386 INFO L93 Difference]: Finished difference Result 362 states and 491 transitions. [2024-10-14 21:10:18,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-14 21:10:18,387 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 5.384615384615385) internal successors, (210), 39 states have internal predecessors, (210), 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 815 [2024-10-14 21:10:18,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:18,389 INFO L225 Difference]: With dead ends: 362 [2024-10-14 21:10:18,389 INFO L226 Difference]: Without dead ends: 183 [2024-10-14 21:10:18,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1828 GetRequests, 1766 SyntacticMatches, 13 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=662, Invalid=1888, Unknown=0, NotChecked=0, Total=2550 [2024-10-14 21:10:18,391 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 187 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:18,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 239 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:10:18,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-14 21:10:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 147. [2024-10-14 21:10:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 118 states have (on average 1.0254237288135593) internal successors, (121), 116 states have internal predecessors, (121), 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) [2024-10-14 21:10:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 185 transitions. [2024-10-14 21:10:18,402 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 185 transitions. Word has length 815 [2024-10-14 21:10:18,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:18,404 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 185 transitions. [2024-10-14 21:10:18,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.384615384615385) internal successors, (210), 39 states have internal predecessors, (210), 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) [2024-10-14 21:10:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 185 transitions. [2024-10-14 21:10:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1600 [2024-10-14 21:10:18,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:18,420 INFO L215 NwaCegarLoop]: trace histogram [166, 159, 135, 85, 85, 85, 85, 80, 80, 80, 80, 80, 79, 79, 79, 78, 50, 31, 1, 1, 1] [2024-10-14 21:10:18,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 21:10:18,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:18,621 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:18,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:18,621 INFO L85 PathProgramCache]: Analyzing trace with hash 363786624, now seen corresponding path program 11 times [2024-10-14 21:10:18,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:18,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076230037] [2024-10-14 21:10:18,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:19,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:19,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:10:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-14 21:10:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2024-10-14 21:10:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:10:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-14 21:10:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1355 [2024-10-14 21:10:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 94150 backedges. 3751 proven. 11733 refuted. 0 times theorem prover too weak. 78666 trivial. 0 not checked. [2024-10-14 21:10:20,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:20,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076230037] [2024-10-14 21:10:20,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076230037] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:20,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364592500] [2024-10-14 21:10:20,922 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 21:10:20,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:20,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:20,927 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:20,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 21:10:21,517 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 107 check-sat command(s) [2024-10-14 21:10:21,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:21,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-14 21:10:21,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 94150 backedges. 11873 proven. 5515 refuted. 0 times theorem prover too weak. 76762 trivial. 0 not checked. [2024-10-14 21:10:21,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 94150 backedges. 11873 proven. 5682 refuted. 0 times theorem prover too weak. 76595 trivial. 0 not checked. [2024-10-14 21:10:25,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364592500] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:25,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:25,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 19, 31] total 52 [2024-10-14 21:10:25,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804804395] [2024-10-14 21:10:25,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:25,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-14 21:10:25,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:25,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-14 21:10:25,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=526, Invalid=2126, Unknown=0, NotChecked=0, Total=2652 [2024-10-14 21:10:25,536 INFO L87 Difference]: Start difference. First operand 147 states and 185 transitions. Second operand has 52 states, 52 states have (on average 5.019230769230769) internal successors, (261), 52 states have internal predecessors, (261), 42 states have call successors, (48), 6 states have call predecessors, (48), 18 states have return successors, (60), 29 states have call predecessors, (60), 37 states have call successors, (60) [2024-10-14 21:10:26,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:26,129 INFO L93 Difference]: Finished difference Result 347 states and 493 transitions. [2024-10-14 21:10:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-14 21:10:26,130 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 5.019230769230769) internal successors, (261), 52 states have internal predecessors, (261), 42 states have call successors, (48), 6 states have call predecessors, (48), 18 states have return successors, (60), 29 states have call predecessors, (60), 37 states have call successors, (60) Word has length 1599 [2024-10-14 21:10:26,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:26,132 INFO L225 Difference]: With dead ends: 347 [2024-10-14 21:10:26,132 INFO L226 Difference]: Without dead ends: 204 [2024-10-14 21:10:26,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3570 GetRequests, 3482 SyntacticMatches, 15 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2294 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1238, Invalid=4312, Unknown=0, NotChecked=0, Total=5550 [2024-10-14 21:10:26,134 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 336 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:26,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 369 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:10:26,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-14 21:10:26,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 165. [2024-10-14 21:10:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 132 states have (on average 1.0227272727272727) internal successors, (135), 131 states have internal predecessors, (135), 22 states have call successors, (22), 16 states have call predecessors, (22), 10 states have return successors, (56), 17 states have call predecessors, (56), 21 states have call successors, (56) [2024-10-14 21:10:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 213 transitions. [2024-10-14 21:10:26,143 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 213 transitions. Word has length 1599 [2024-10-14 21:10:26,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:26,143 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 213 transitions. [2024-10-14 21:10:26,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.019230769230769) internal successors, (261), 52 states have internal predecessors, (261), 42 states have call successors, (48), 6 states have call predecessors, (48), 18 states have return successors, (60), 29 states have call predecessors, (60), 37 states have call successors, (60) [2024-10-14 21:10:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 213 transitions. [2024-10-14 21:10:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2024-10-14 21:10:26,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:26,148 INFO L215 NwaCegarLoop]: trace histogram [110, 108, 89, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 54, 53, 34, 21, 1, 1, 1] [2024-10-14 21:10:26,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-14 21:10:26,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:26,349 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:26,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:26,350 INFO L85 PathProgramCache]: Analyzing trace with hash -866530815, now seen corresponding path program 12 times [2024-10-14 21:10:26,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:26,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471167001] [2024-10-14 21:10:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:26,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:32,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:10:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-14 21:10:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:33,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2024-10-14 21:10:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:34,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:10:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:10:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:10:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:10:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:10:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:10:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:10:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 41934 backedges. 6686 proven. 7855 refuted. 0 times theorem prover too weak. 27393 trivial. 0 not checked. [2024-10-14 21:10:35,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:35,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471167001] [2024-10-14 21:10:35,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471167001] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:35,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439335694] [2024-10-14 21:10:35,302 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-14 21:10:35,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:35,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:35,303 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:35,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 21:10:35,816 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 76 check-sat command(s) [2024-10-14 21:10:35,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:35,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 217 conjuncts are in the unsatisfiable core [2024-10-14 21:10:35,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 41934 backedges. 6686 proven. 7855 refuted. 0 times theorem prover too weak. 27393 trivial. 0 not checked. [2024-10-14 21:10:36,668 INFO L311 TraceCheckSpWp]: Computing backward predicates...