/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:42:57,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:42:57,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:42:57,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 17:42:57,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:42:57,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:42:57,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:42:57,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:42:57,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:42:57,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:42:57,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:42:57,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:42:57,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:42:57,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:42:57,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:42:57,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:42:57,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 17:42:57,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 17:42:57,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 17:42:57,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 17:42:57,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 17:42:57,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 17:42:57,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 17:42:57,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 17:42:57,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 17:42:57,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:42:57,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:42:57,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:42:57,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 17:42:57,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:42:57,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:42:57,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:42:57,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:42:57,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:42:57,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:42:57,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:42:57,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:42:57,818 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:42:57,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:42:57,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:42:57,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:42:57,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:42:57,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:42:57,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:42:57,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:42:57,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:42:57,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:42:57,822 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:42:57,822 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:42:57,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:42:57,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:42:57,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:42:57,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:42:57,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:42:57,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:42:57,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:42:57,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:42:57,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:42:57,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:42:57,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:42:57,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:42:57,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:42:57,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:42:58,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:42:58,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:42:58,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:42:58,312 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:42:58,313 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:42:58,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c [2022-10-16 17:42:58,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ddb9d56/5fc8a226343b437885d0ccc20d2b71c8/FLAG63e6762a5 [2022-10-16 17:42:59,132 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:42:59,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c [2022-10-16 17:42:59,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ddb9d56/5fc8a226343b437885d0ccc20d2b71c8/FLAG63e6762a5 [2022-10-16 17:42:59,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ddb9d56/5fc8a226343b437885d0ccc20d2b71c8 [2022-10-16 17:42:59,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:42:59,524 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:42:59,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:42:59,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:42:59,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:42:59,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:42:59,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a56301c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59, skipping insertion in model container [2022-10-16 17:42:59,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:42:59,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:42:59,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:42:59,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c[949,962] [2022-10-16 17:42:59,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:42:59,892 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:42:59,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_10-2.c[949,962] [2022-10-16 17:42:59,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:42:59,944 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:42:59,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59 WrapperNode [2022-10-16 17:42:59,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:42:59,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:42:59,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:42:59,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:42:59,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:42:59,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:42:59,983 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-16 17:42:59,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:42:59,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:42:59,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:42:59,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:42:59,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:42:59,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:42:59,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:42:59,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:43:00,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:43:00,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:43:00,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:43:00,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:43:00,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:43:00,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:43:00,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:43:00,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:43:00,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (1/1) ... [2022-10-16 17:43:00,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:43:00,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:00,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 17:43:00,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 17:43:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 17:43:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 17:43:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-10-16 17:43:00,123 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-10-16 17:43:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-10-16 17:43:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-10-16 17:43:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:43:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:43:00,206 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:43:00,210 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:43:00,409 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:43:00,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:43:00,420 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 17:43:00,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:43:00 BoogieIcfgContainer [2022-10-16 17:43:00,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:43:00,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:43:00,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:43:00,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:43:00,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:42:59" (1/3) ... [2022-10-16 17:43:00,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d38f3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:43:00, skipping insertion in model container [2022-10-16 17:43:00,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:42:59" (2/3) ... [2022-10-16 17:43:00,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d38f3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:43:00, skipping insertion in model container [2022-10-16 17:43:00,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:43:00" (3/3) ... [2022-10-16 17:43:00,435 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2022-10-16 17:43:00,461 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:43:00,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-16 17:43:00,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:43:00,542 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3ccd562b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:43:00,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-10-16 17:43:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 32 states have (on average 1.53125) internal successors, (49), 44 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 17:43:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 17:43:00,558 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:00,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:00,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting fibo1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:00,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1865119399, now seen corresponding path program 1 times [2022-10-16 17:43:00,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:00,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330230729] [2022-10-16 17:43:00,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:00,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:00,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:43:00,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:00,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330230729] [2022-10-16 17:43:00,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330230729] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:00,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:00,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:43:00,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890840098] [2022-10-16 17:43:00,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:00,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:00,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:01,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:01,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:01,053 INFO L87 Difference]: Start difference. First operand has 52 states, 32 states have (on average 1.53125) internal successors, (49), 44 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2022-10-16 17:43:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:01,181 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2022-10-16 17:43:01,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:43:01,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2022-10-16 17:43:01,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:01,195 INFO L225 Difference]: With dead ends: 79 [2022-10-16 17:43:01,195 INFO L226 Difference]: Without dead ends: 64 [2022-10-16 17:43:01,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:43:01,204 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 40 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:01,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 178 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:43:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-10-16 17:43:01,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2022-10-16 17:43:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 48 states have internal predecessors, (56), 7 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 17:43:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2022-10-16 17:43:01,262 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 7 [2022-10-16 17:43:01,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:01,263 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2022-10-16 17:43:01,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2022-10-16 17:43:01,263 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2022-10-16 17:43:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 17:43:01,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:01,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:01,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:43:01,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting fibo1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:01,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:01,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1984126606, now seen corresponding path program 1 times [2022-10-16 17:43:01,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:01,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271109856] [2022-10-16 17:43:01,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:01,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:43:01,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:01,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271109856] [2022-10-16 17:43:01,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271109856] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:01,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:01,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:43:01,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672154476] [2022-10-16 17:43:01,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:01,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:43:01,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:01,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:43:01,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:43:01,319 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:43:01,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:01,351 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2022-10-16 17:43:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:43:01,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-16 17:43:01,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:01,353 INFO L225 Difference]: With dead ends: 60 [2022-10-16 17:43:01,353 INFO L226 Difference]: Without dead ends: 58 [2022-10-16 17:43:01,354 INFO L412 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 [2022-10-16 17:43:01,356 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 13 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:01,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 74 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:01,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-16 17:43:01,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2022-10-16 17:43:01,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 46 states have internal predecessors, (52), 7 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 17:43:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2022-10-16 17:43:01,383 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 8 [2022-10-16 17:43:01,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:01,383 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2022-10-16 17:43:01,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:43:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-10-16 17:43:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 17:43:01,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:01,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:01,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:43:01,388 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:01,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:01,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1532318177, now seen corresponding path program 1 times [2022-10-16 17:43:01,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:01,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562502336] [2022-10-16 17:43:01,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:01,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:43:01,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:01,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562502336] [2022-10-16 17:43:01,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562502336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:01,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:01,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 17:43:01,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792952193] [2022-10-16 17:43:01,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:01,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:43:01,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:01,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:43:01,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:43:01,640 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:43:01,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:01,870 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2022-10-16 17:43:01,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:43:01,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-16 17:43:01,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:01,872 INFO L225 Difference]: With dead ends: 56 [2022-10-16 17:43:01,872 INFO L226 Difference]: Without dead ends: 52 [2022-10-16 17:43:01,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 17:43:01,875 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 60 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:01,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 72 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 17:43:01,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-10-16 17:43:01,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-10-16 17:43:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 42 states have internal predecessors, (48), 7 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 17:43:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2022-10-16 17:43:01,889 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 13 [2022-10-16 17:43:01,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:01,890 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2022-10-16 17:43:01,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:43:01,890 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2022-10-16 17:43:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 17:43:01,891 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:01,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:01,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:43:01,892 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:01,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:01,893 INFO L85 PathProgramCache]: Analyzing trace with hash 257223290, now seen corresponding path program 1 times [2022-10-16 17:43:01,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:01,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244298322] [2022-10-16 17:43:01,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:01,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:01,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:43:01,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:01,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244298322] [2022-10-16 17:43:01,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244298322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:01,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:01,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:43:01,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408559495] [2022-10-16 17:43:01,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:01,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:43:01,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:01,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:43:01,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:43:01,990 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:43:02,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:02,022 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2022-10-16 17:43:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:43:02,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-16 17:43:02,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:02,027 INFO L225 Difference]: With dead ends: 54 [2022-10-16 17:43:02,027 INFO L226 Difference]: Without dead ends: 52 [2022-10-16 17:43:02,028 INFO L412 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 [2022-10-16 17:43:02,030 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 11 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:02,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 66 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-10-16 17:43:02,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2022-10-16 17:43:02,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 40 states have internal predecessors, (46), 7 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 17:43:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2022-10-16 17:43:02,046 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 14 [2022-10-16 17:43:02,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:02,047 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2022-10-16 17:43:02,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:43:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2022-10-16 17:43:02,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 17:43:02,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:02,049 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:02,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 17:43:02,050 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:02,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:02,051 INFO L85 PathProgramCache]: Analyzing trace with hash 802214107, now seen corresponding path program 1 times [2022-10-16 17:43:02,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:02,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698301235] [2022-10-16 17:43:02,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:02,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 17:43:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 17:43:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 17:43:02,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:02,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698301235] [2022-10-16 17:43:02,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698301235] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:02,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:02,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:43:02,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132993645] [2022-10-16 17:43:02,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:02,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:02,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:02,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:02,379 INFO L87 Difference]: Start difference. First operand 50 states and 59 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), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:02,468 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2022-10-16 17:43:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:43:02,469 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), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-10-16 17:43:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:02,477 INFO L225 Difference]: With dead ends: 76 [2022-10-16 17:43:02,477 INFO L226 Difference]: Without dead ends: 71 [2022-10-16 17:43:02,478 INFO L412 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 [2022-10-16 17:43:02,479 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:02,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 114 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:43:02,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-10-16 17:43:02,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 63. [2022-10-16 17:43:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 50 states have internal predecessors, (56), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (13), 9 states have call predecessors, (13), 8 states have call successors, (13) [2022-10-16 17:43:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2022-10-16 17:43:02,506 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 23 [2022-10-16 17:43:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:02,507 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2022-10-16 17:43:02,507 INFO L496 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), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2022-10-16 17:43:02,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 17:43:02,509 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:02,509 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:02,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:43:02,510 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:02,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:02,511 INFO L85 PathProgramCache]: Analyzing trace with hash -890218714, now seen corresponding path program 1 times [2022-10-16 17:43:02,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:02,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795990091] [2022-10-16 17:43:02,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:02,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 17:43:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 17:43:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 17:43:02,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:02,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795990091] [2022-10-16 17:43:02,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795990091] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:02,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974017177] [2022-10-16 17:43:02,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:02,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:02,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:02,753 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) [2022-10-16 17:43:02,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 17:43:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:02,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 17:43:02,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:43:02,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:43:02,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974017177] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:02,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:43:02,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2022-10-16 17:43:02,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749207024] [2022-10-16 17:43:02,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:02,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:43:02,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:02,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:43:02,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:43:02,934 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:03,052 INFO L93 Difference]: Finished difference Result 111 states and 134 transitions. [2022-10-16 17:43:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:43:03,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-10-16 17:43:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:03,054 INFO L225 Difference]: With dead ends: 111 [2022-10-16 17:43:03,054 INFO L226 Difference]: Without dead ends: 61 [2022-10-16 17:43:03,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 17:43:03,058 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 35 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:03,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 121 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:43:03,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-10-16 17:43:03,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2022-10-16 17:43:03,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 47 states have internal predecessors, (53), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2022-10-16 17:43:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-10-16 17:43:03,072 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 24 [2022-10-16 17:43:03,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:03,072 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-10-16 17:43:03,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-10-16 17:43:03,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 17:43:03,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:03,078 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:03,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 17:43:03,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 17:43:03,296 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:03,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:03,298 INFO L85 PathProgramCache]: Analyzing trace with hash 411319597, now seen corresponding path program 1 times [2022-10-16 17:43:03,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:03,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166685665] [2022-10-16 17:43:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:03,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 17:43:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:43:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 17:43:03,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:03,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166685665] [2022-10-16 17:43:03,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166685665] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:03,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:03,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:43:03,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489853387] [2022-10-16 17:43:03,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:03,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:03,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:03,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:03,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:03,483 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:03,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:03,535 INFO L93 Difference]: Finished difference Result 85 states and 108 transitions. [2022-10-16 17:43:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:43:03,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-10-16 17:43:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:03,539 INFO L225 Difference]: With dead ends: 85 [2022-10-16 17:43:03,540 INFO L226 Difference]: Without dead ends: 80 [2022-10-16 17:43:03,542 INFO L412 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 [2022-10-16 17:43:03,545 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 6 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:03,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 150 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:03,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-10-16 17:43:03,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 69. [2022-10-16 17:43:03,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 55 states have internal predecessors, (60), 10 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (19), 10 states have call predecessors, (19), 9 states have call successors, (19) [2022-10-16 17:43:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 89 transitions. [2022-10-16 17:43:03,562 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 89 transitions. Word has length 25 [2022-10-16 17:43:03,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:03,563 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 89 transitions. [2022-10-16 17:43:03,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2022-10-16 17:43:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 17:43:03,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:03,565 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:03,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:43:03,566 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:03,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:03,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2120732165, now seen corresponding path program 1 times [2022-10-16 17:43:03,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:03,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389614793] [2022-10-16 17:43:03,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:03,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:43:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 17:43:03,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:03,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389614793] [2022-10-16 17:43:03,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389614793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:03,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:03,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:43:03,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714772112] [2022-10-16 17:43:03,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:03,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:03,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:03,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:03,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:03,685 INFO L87 Difference]: Start difference. First operand 69 states and 89 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:03,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:03,721 INFO L93 Difference]: Finished difference Result 85 states and 108 transitions. [2022-10-16 17:43:03,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:43:03,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2022-10-16 17:43:03,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:03,724 INFO L225 Difference]: With dead ends: 85 [2022-10-16 17:43:03,724 INFO L226 Difference]: Without dead ends: 83 [2022-10-16 17:43:03,725 INFO L412 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 [2022-10-16 17:43:03,726 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 7 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:03,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 120 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:03,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-10-16 17:43:03,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2022-10-16 17:43:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.1551724137931034) internal successors, (67), 62 states have internal predecessors, (67), 11 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (23), 12 states have call predecessors, (23), 10 states have call successors, (23) [2022-10-16 17:43:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 101 transitions. [2022-10-16 17:43:03,741 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 101 transitions. Word has length 29 [2022-10-16 17:43:03,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:03,742 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 101 transitions. [2022-10-16 17:43:03,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2022-10-16 17:43:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 17:43:03,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:03,745 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:03,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 17:43:03,746 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:03,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:03,746 INFO L85 PathProgramCache]: Analyzing trace with hash 900334698, now seen corresponding path program 1 times [2022-10-16 17:43:03,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:03,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631269471] [2022-10-16 17:43:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:03,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 17:43:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 17:43:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 17:43:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 17:43:03,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:03,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631269471] [2022-10-16 17:43:03,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631269471] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:03,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515576320] [2022-10-16 17:43:03,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:03,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:03,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:03,873 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) [2022-10-16 17:43:03,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 17:43:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:03,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 17:43:03,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 17:43:03,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:43:03,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515576320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:03,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:43:03,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2022-10-16 17:43:03,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168774002] [2022-10-16 17:43:03,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:03,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:43:03,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:03,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:43:03,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:43:03,992 INFO L87 Difference]: Start difference. First operand 78 states and 101 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 17:43:04,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:04,104 INFO L93 Difference]: Finished difference Result 141 states and 180 transitions. [2022-10-16 17:43:04,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:43:04,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2022-10-16 17:43:04,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:04,106 INFO L225 Difference]: With dead ends: 141 [2022-10-16 17:43:04,106 INFO L226 Difference]: Without dead ends: 76 [2022-10-16 17:43:04,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 17:43:04,109 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 34 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:04,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 152 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:43:04,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-10-16 17:43:04,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2022-10-16 17:43:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 59 states have internal predecessors, (64), 10 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (20), 11 states have call predecessors, (20), 9 states have call successors, (20) [2022-10-16 17:43:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2022-10-16 17:43:04,123 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 39 [2022-10-16 17:43:04,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:04,124 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2022-10-16 17:43:04,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 17:43:04,124 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2022-10-16 17:43:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 17:43:04,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:04,126 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:04,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:04,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-10-16 17:43:04,341 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:04,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:04,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1330050266, now seen corresponding path program 1 times [2022-10-16 17:43:04,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:04,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105125984] [2022-10-16 17:43:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:04,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:04,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:43:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 17:43:04,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:04,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105125984] [2022-10-16 17:43:04,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105125984] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:04,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871864903] [2022-10-16 17:43:04,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:04,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:04,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:04,446 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) [2022-10-16 17:43:04,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 17:43:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:04,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:43:04,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:43:04,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:43:04,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871864903] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:04,800 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:04,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2022-10-16 17:43:04,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494434839] [2022-10-16 17:43:04,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:04,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 17:43:04,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:04,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 17:43:04,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-10-16 17:43:04,803 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 15 states have internal predecessors, (59), 9 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2022-10-16 17:43:05,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:05,293 INFO L93 Difference]: Finished difference Result 202 states and 267 transitions. [2022-10-16 17:43:05,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 17:43:05,293 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 15 states have internal predecessors, (59), 9 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) Word has length 30 [2022-10-16 17:43:05,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:05,295 INFO L225 Difference]: With dead ends: 202 [2022-10-16 17:43:05,295 INFO L226 Difference]: Without dead ends: 137 [2022-10-16 17:43:05,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2022-10-16 17:43:05,298 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 143 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:05,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 495 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 17:43:05,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-10-16 17:43:05,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 121. [2022-10-16 17:43:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 97 states have internal predecessors, (107), 16 states have call successors, (16), 6 states have call predecessors, (16), 9 states have return successors, (34), 17 states have call predecessors, (34), 15 states have call successors, (34) [2022-10-16 17:43:05,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 157 transitions. [2022-10-16 17:43:05,316 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 157 transitions. Word has length 30 [2022-10-16 17:43:05,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:05,316 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 157 transitions. [2022-10-16 17:43:05,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 15 states have internal predecessors, (59), 9 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2022-10-16 17:43:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 157 transitions. [2022-10-16 17:43:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 17:43:05,318 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:05,318 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:05,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 17:43:05,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:05,533 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:05,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:05,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1193456114, now seen corresponding path program 2 times [2022-10-16 17:43:05,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:05,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610349407] [2022-10-16 17:43:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:05,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:43:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 17:43:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 17:43:05,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:05,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610349407] [2022-10-16 17:43:05,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610349407] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:05,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842448923] [2022-10-16 17:43:05,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:43:05,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:05,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:05,644 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) [2022-10-16 17:43:05,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 17:43:05,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:43:05,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:05,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 17:43:05,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 17:43:05,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:43:05,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842448923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:05,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:43:05,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 17:43:05,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253355724] [2022-10-16 17:43:05,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:05,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:05,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:05,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:05,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 17:43:05,738 INFO L87 Difference]: Start difference. First operand 121 states and 157 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:05,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:05,776 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2022-10-16 17:43:05,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:43:05,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2022-10-16 17:43:05,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:05,778 INFO L225 Difference]: With dead ends: 132 [2022-10-16 17:43:05,778 INFO L226 Difference]: Without dead ends: 131 [2022-10-16 17:43:05,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 17:43:05,780 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 7 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:05,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 143 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:05,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-10-16 17:43:05,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 125. [2022-10-16 17:43:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 96 states have (on average 1.15625) internal successors, (111), 99 states have internal predecessors, (111), 16 states have call successors, (16), 6 states have call predecessors, (16), 9 states have return successors, (34), 19 states have call predecessors, (34), 15 states have call successors, (34) [2022-10-16 17:43:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 161 transitions. [2022-10-16 17:43:05,795 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 161 transitions. Word has length 42 [2022-10-16 17:43:05,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:05,796 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 161 transitions. [2022-10-16 17:43:05,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:05,797 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 161 transitions. [2022-10-16 17:43:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 17:43:05,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:05,799 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:05,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:06,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:06,013 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:06,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:06,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1657566201, now seen corresponding path program 1 times [2022-10-16 17:43:06,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:06,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839466919] [2022-10-16 17:43:06,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:06,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:43:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 17:43:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 17:43:06,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:06,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839466919] [2022-10-16 17:43:06,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839466919] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:06,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952430302] [2022-10-16 17:43:06,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:06,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:06,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:06,172 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) [2022-10-16 17:43:06,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 17:43:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:06,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 17:43:06,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:43:06,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:06,618 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:43:06,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952430302] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:06,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:06,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 27 [2022-10-16 17:43:06,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348399085] [2022-10-16 17:43:06,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:06,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-16 17:43:06,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:06,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-16 17:43:06,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-10-16 17:43:06,622 INFO L87 Difference]: Start difference. First operand 125 states and 161 transitions. Second operand has 27 states, 25 states have (on average 3.28) internal successors, (82), 19 states have internal predecessors, (82), 13 states have call successors, (16), 10 states have call predecessors, (16), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2022-10-16 17:43:07,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:07,366 INFO L93 Difference]: Finished difference Result 353 states and 473 transitions. [2022-10-16 17:43:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 17:43:07,367 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.28) internal successors, (82), 19 states have internal predecessors, (82), 13 states have call successors, (16), 10 states have call predecessors, (16), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) Word has length 43 [2022-10-16 17:43:07,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:07,369 INFO L225 Difference]: With dead ends: 353 [2022-10-16 17:43:07,369 INFO L226 Difference]: Without dead ends: 243 [2022-10-16 17:43:07,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=1161, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 17:43:07,372 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 252 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:07,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1061 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 17:43:07,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-10-16 17:43:07,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 219. [2022-10-16 17:43:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 171 states have (on average 1.1578947368421053) internal successors, (198), 174 states have internal predecessors, (198), 29 states have call successors, (29), 12 states have call predecessors, (29), 15 states have return successors, (48), 32 states have call predecessors, (48), 28 states have call successors, (48) [2022-10-16 17:43:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 275 transitions. [2022-10-16 17:43:07,394 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 275 transitions. Word has length 43 [2022-10-16 17:43:07,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:07,395 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 275 transitions. [2022-10-16 17:43:07,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.28) internal successors, (82), 19 states have internal predecessors, (82), 13 states have call successors, (16), 10 states have call predecessors, (16), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2022-10-16 17:43:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 275 transitions. [2022-10-16 17:43:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 17:43:07,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:07,398 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:07,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:07,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 17:43:07,615 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:07,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:07,616 INFO L85 PathProgramCache]: Analyzing trace with hash 512153854, now seen corresponding path program 1 times [2022-10-16 17:43:07,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:07,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526577867] [2022-10-16 17:43:07,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:07,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 17:43:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 17:43:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-16 17:43:07,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:07,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526577867] [2022-10-16 17:43:07,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526577867] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:07,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338175085] [2022-10-16 17:43:07,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:07,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:07,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:07,761 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) [2022-10-16 17:43:07,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 17:43:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:07,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 17:43:07,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:43:08,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:43:08,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338175085] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:08,494 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:08,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 23, 23] total 28 [2022-10-16 17:43:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540737752] [2022-10-16 17:43:08,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:08,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 17:43:08,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:08,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 17:43:08,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2022-10-16 17:43:08,497 INFO L87 Difference]: Start difference. First operand 219 states and 275 transitions. Second operand has 28 states, 27 states have (on average 3.074074074074074) internal successors, (83), 19 states have internal predecessors, (83), 13 states have call successors, (16), 11 states have call predecessors, (16), 5 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-16 17:43:09,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:09,320 INFO L93 Difference]: Finished difference Result 468 states and 591 transitions. [2022-10-16 17:43:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-16 17:43:09,321 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.074074074074074) internal successors, (83), 19 states have internal predecessors, (83), 13 states have call successors, (16), 11 states have call predecessors, (16), 5 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 72 [2022-10-16 17:43:09,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:09,323 INFO L225 Difference]: With dead ends: 468 [2022-10-16 17:43:09,324 INFO L226 Difference]: Without dead ends: 270 [2022-10-16 17:43:09,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 115 SyntacticMatches, 20 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=195, Invalid=1287, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 17:43:09,327 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 284 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:09,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1021 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 17:43:09,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-10-16 17:43:09,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 241. [2022-10-16 17:43:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 189 states have (on average 1.1534391534391535) internal successors, (218), 191 states have internal predecessors, (218), 32 states have call successors, (32), 13 states have call predecessors, (32), 16 states have return successors, (55), 36 states have call predecessors, (55), 31 states have call successors, (55) [2022-10-16 17:43:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 305 transitions. [2022-10-16 17:43:09,350 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 305 transitions. Word has length 72 [2022-10-16 17:43:09,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:09,350 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 305 transitions. [2022-10-16 17:43:09,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.074074074074074) internal successors, (83), 19 states have internal predecessors, (83), 13 states have call successors, (16), 11 states have call predecessors, (16), 5 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-16 17:43:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 305 transitions. [2022-10-16 17:43:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 17:43:09,352 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:09,352 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:09,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 17:43:09,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:09,567 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash 306909132, now seen corresponding path program 2 times [2022-10-16 17:43:09,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:09,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833081757] [2022-10-16 17:43:09,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:09,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:09,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 17:43:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 17:43:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-16 17:43:09,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:09,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833081757] [2022-10-16 17:43:09,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833081757] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:09,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185303446] [2022-10-16 17:43:09,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:43:09,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:09,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:09,710 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) [2022-10-16 17:43:09,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 17:43:09,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:43:09,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:09,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 17:43:09,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-16 17:43:09,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:43:09,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185303446] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:09,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:43:09,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 17:43:09,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882455635] [2022-10-16 17:43:09,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:09,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:09,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:09,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:09,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 17:43:09,800 INFO L87 Difference]: Start difference. First operand 241 states and 305 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:09,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:09,830 INFO L93 Difference]: Finished difference Result 252 states and 318 transitions. [2022-10-16 17:43:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:43:09,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2022-10-16 17:43:09,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:09,833 INFO L225 Difference]: With dead ends: 252 [2022-10-16 17:43:09,833 INFO L226 Difference]: Without dead ends: 251 [2022-10-16 17:43:09,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 17:43:09,834 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 9 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:09,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 109 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:09,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-10-16 17:43:09,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 245. [2022-10-16 17:43:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 193 states have (on average 1.150259067357513) internal successors, (222), 193 states have internal predecessors, (222), 32 states have call successors, (32), 13 states have call predecessors, (32), 16 states have return successors, (55), 38 states have call predecessors, (55), 31 states have call successors, (55) [2022-10-16 17:43:09,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 309 transitions. [2022-10-16 17:43:09,853 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 309 transitions. Word has length 72 [2022-10-16 17:43:09,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:09,853 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 309 transitions. [2022-10-16 17:43:09,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:43:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 309 transitions. [2022-10-16 17:43:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 17:43:09,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:09,855 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:09,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:10,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:10,069 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:10,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:10,070 INFO L85 PathProgramCache]: Analyzing trace with hash 924248597, now seen corresponding path program 1 times [2022-10-16 17:43:10,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:10,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452656806] [2022-10-16 17:43:10,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:10,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 17:43:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 17:43:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-16 17:43:10,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:10,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452656806] [2022-10-16 17:43:10,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452656806] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:10,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367345004] [2022-10-16 17:43:10,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:10,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:10,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:10,194 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) [2022-10-16 17:43:10,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 17:43:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:10,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 17:43:10,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-16 17:43:10,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-16 17:43:10,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367345004] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:10,341 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:10,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2022-10-16 17:43:10,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756995107] [2022-10-16 17:43:10,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:10,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 17:43:10,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:10,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 17:43:10,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-10-16 17:43:10,343 INFO L87 Difference]: Start difference. First operand 245 states and 309 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 4 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 17:43:10,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:10,421 INFO L93 Difference]: Finished difference Result 266 states and 335 transitions. [2022-10-16 17:43:10,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 17:43:10,422 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 4 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 73 [2022-10-16 17:43:10,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:10,424 INFO L225 Difference]: With dead ends: 266 [2022-10-16 17:43:10,425 INFO L226 Difference]: Without dead ends: 265 [2022-10-16 17:43:10,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:43:10,426 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 17 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:10,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 199 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:10,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-10-16 17:43:10,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 245. [2022-10-16 17:43:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.1597938144329898) internal successors, (225), 192 states have internal predecessors, (225), 31 states have call successors, (31), 13 states have call predecessors, (31), 16 states have return successors, (52), 39 states have call predecessors, (52), 30 states have call successors, (52) [2022-10-16 17:43:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 308 transitions. [2022-10-16 17:43:10,445 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 308 transitions. Word has length 73 [2022-10-16 17:43:10,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:10,445 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 308 transitions. [2022-10-16 17:43:10,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 4 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 17:43:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 308 transitions. [2022-10-16 17:43:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:43:10,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:10,447 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:10,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:10,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 17:43:10,661 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:10,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:10,662 INFO L85 PathProgramCache]: Analyzing trace with hash -953144081, now seen corresponding path program 1 times [2022-10-16 17:43:10,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:10,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483711123] [2022-10-16 17:43:10,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:10,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 17:43:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 17:43:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 17:43:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-10-16 17:43:10,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:10,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483711123] [2022-10-16 17:43:10,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483711123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:10,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:10,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:43:10,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925765181] [2022-10-16 17:43:10,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:10,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:10,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:10,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:10,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:10,838 INFO L87 Difference]: Start difference. First operand 245 states and 308 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 17:43:10,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:10,887 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-10-16 17:43:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:43:10,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 88 [2022-10-16 17:43:10,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:10,891 INFO L225 Difference]: With dead ends: 258 [2022-10-16 17:43:10,892 INFO L226 Difference]: Without dead ends: 256 [2022-10-16 17:43:10,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:10,893 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 5 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:10,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 173 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:10,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-10-16 17:43:10,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 241. [2022-10-16 17:43:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 191 states have (on average 1.162303664921466) internal successors, (222), 189 states have internal predecessors, (222), 30 states have call successors, (30), 13 states have call predecessors, (30), 16 states have return successors, (49), 38 states have call predecessors, (49), 29 states have call successors, (49) [2022-10-16 17:43:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 301 transitions. [2022-10-16 17:43:10,912 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 301 transitions. Word has length 88 [2022-10-16 17:43:10,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:10,912 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 301 transitions. [2022-10-16 17:43:10,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 17:43:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 301 transitions. [2022-10-16 17:43:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 17:43:10,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:10,920 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:10,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 17:43:10,920 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:10,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:10,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1304415173, now seen corresponding path program 1 times [2022-10-16 17:43:10,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:10,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289912901] [2022-10-16 17:43:10,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:10,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 17:43:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 17:43:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:43:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:11,455 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 99 proven. 64 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 17:43:11,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:11,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289912901] [2022-10-16 17:43:11,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289912901] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:11,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954224999] [2022-10-16 17:43:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:11,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:11,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:11,458 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) [2022-10-16 17:43:11,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 17:43:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:11,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 17:43:11,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 100 proven. 61 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 17:43:11,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 100 proven. 61 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 17:43:12,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954224999] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:12,035 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:12,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 23] total 28 [2022-10-16 17:43:12,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660641816] [2022-10-16 17:43:12,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:12,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 17:43:12,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:12,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 17:43:12,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=663, Unknown=0, NotChecked=0, Total=756 [2022-10-16 17:43:12,037 INFO L87 Difference]: Start difference. First operand 241 states and 301 transitions. Second operand has 28 states, 27 states have (on average 3.2962962962962963) internal successors, (89), 19 states have internal predecessors, (89), 13 states have call successors, (15), 10 states have call predecessors, (15), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-10-16 17:43:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:13,139 INFO L93 Difference]: Finished difference Result 752 states and 1012 transitions. [2022-10-16 17:43:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-16 17:43:13,140 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.2962962962962963) internal successors, (89), 19 states have internal predecessors, (89), 13 states have call successors, (15), 10 states have call predecessors, (15), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 92 [2022-10-16 17:43:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:13,144 INFO L225 Difference]: With dead ends: 752 [2022-10-16 17:43:13,144 INFO L226 Difference]: Without dead ends: 530 [2022-10-16 17:43:13,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 185 SyntacticMatches, 20 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=492, Invalid=2264, Unknown=0, NotChecked=0, Total=2756 [2022-10-16 17:43:13,149 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 557 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:13,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 305 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 17:43:13,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2022-10-16 17:43:13,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 484. [2022-10-16 17:43:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 389 states have (on average 1.1593830334190232) internal successors, (451), 377 states have internal predecessors, (451), 60 states have call successors, (60), 26 states have call predecessors, (60), 31 states have return successors, (105), 80 states have call predecessors, (105), 59 states have call successors, (105) [2022-10-16 17:43:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 616 transitions. [2022-10-16 17:43:13,187 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 616 transitions. Word has length 92 [2022-10-16 17:43:13,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:13,187 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 616 transitions. [2022-10-16 17:43:13,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.2962962962962963) internal successors, (89), 19 states have internal predecessors, (89), 13 states have call successors, (15), 10 states have call predecessors, (15), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-10-16 17:43:13,188 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 616 transitions. [2022-10-16 17:43:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 17:43:13,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:13,190 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:13,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:13,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 17:43:13,405 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:13,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:13,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1014076485, now seen corresponding path program 1 times [2022-10-16 17:43:13,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:13,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524133741] [2022-10-16 17:43:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:13,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 17:43:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 17:43:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-10-16 17:43:13,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:13,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524133741] [2022-10-16 17:43:13,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524133741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:13,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:13,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:43:13,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137930293] [2022-10-16 17:43:13,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:13,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:13,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:13,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:13,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:13,513 INFO L87 Difference]: Start difference. First operand 484 states and 616 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 17:43:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:13,552 INFO L93 Difference]: Finished difference Result 500 states and 637 transitions. [2022-10-16 17:43:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:43:13,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-10-16 17:43:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:13,556 INFO L225 Difference]: With dead ends: 500 [2022-10-16 17:43:13,557 INFO L226 Difference]: Without dead ends: 499 [2022-10-16 17:43:13,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:13,590 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:13,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 108 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:13,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-10-16 17:43:13,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 481. [2022-10-16 17:43:13,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 386 states have (on average 1.160621761658031) internal successors, (448), 377 states have internal predecessors, (448), 60 states have call successors, (60), 26 states have call predecessors, (60), 31 states have return successors, (105), 77 states have call predecessors, (105), 59 states have call successors, (105) [2022-10-16 17:43:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 613 transitions. [2022-10-16 17:43:13,622 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 613 transitions. Word has length 86 [2022-10-16 17:43:13,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:13,623 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 613 transitions. [2022-10-16 17:43:13,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 17:43:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 613 transitions. [2022-10-16 17:43:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 17:43:13,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:13,625 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:13,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 17:43:13,625 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:13,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1002213965, now seen corresponding path program 1 times [2022-10-16 17:43:13,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:13,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970830521] [2022-10-16 17:43:13,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:13,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 17:43:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 17:43:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-10-16 17:43:13,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:13,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970830521] [2022-10-16 17:43:13,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970830521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:13,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:13,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 17:43:13,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421341449] [2022-10-16 17:43:13,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:13,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 17:43:13,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:13,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 17:43:13,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-16 17:43:13,852 INFO L87 Difference]: Start difference. First operand 481 states and 613 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 3 states have call successors, (5), 1 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 17:43:13,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:13,989 INFO L93 Difference]: Finished difference Result 575 states and 745 transitions. [2022-10-16 17:43:13,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 17:43:13,990 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 3 states have call successors, (5), 1 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 86 [2022-10-16 17:43:13,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:13,995 INFO L225 Difference]: With dead ends: 575 [2022-10-16 17:43:13,996 INFO L226 Difference]: Without dead ends: 574 [2022-10-16 17:43:13,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:43:13,997 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 11 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:13,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 321 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:43:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-10-16 17:43:14,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 529. [2022-10-16 17:43:14,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 426 states have (on average 1.1455399061032865) internal successors, (488), 411 states have internal predecessors, (488), 64 states have call successors, (64), 26 states have call predecessors, (64), 35 states have return successors, (132), 91 states have call predecessors, (132), 63 states have call successors, (132) [2022-10-16 17:43:14,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 684 transitions. [2022-10-16 17:43:14,040 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 684 transitions. Word has length 86 [2022-10-16 17:43:14,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:14,041 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 684 transitions. [2022-10-16 17:43:14,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 3 states have call successors, (5), 1 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 17:43:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 684 transitions. [2022-10-16 17:43:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 17:43:14,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:14,043 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:14,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 17:43:14,044 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:14,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:14,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1003861772, now seen corresponding path program 1 times [2022-10-16 17:43:14,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:14,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989206386] [2022-10-16 17:43:14,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:14,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 17:43:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 17:43:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-10-16 17:43:14,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:14,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989206386] [2022-10-16 17:43:14,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989206386] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:14,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:43:14,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:43:14,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957072843] [2022-10-16 17:43:14,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:14,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:43:14,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:14,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:43:14,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:14,150 INFO L87 Difference]: Start difference. First operand 529 states and 684 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 17:43:14,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:14,199 INFO L93 Difference]: Finished difference Result 554 states and 717 transitions. [2022-10-16 17:43:14,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:43:14,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2022-10-16 17:43:14,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:14,204 INFO L225 Difference]: With dead ends: 554 [2022-10-16 17:43:14,204 INFO L226 Difference]: Without dead ends: 553 [2022-10-16 17:43:14,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:43:14,206 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:14,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 111 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:43:14,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2022-10-16 17:43:14,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 521. [2022-10-16 17:43:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 419 states have (on average 1.1575178997613365) internal successors, (485), 406 states have internal predecessors, (485), 63 states have call successors, (63), 26 states have call predecessors, (63), 35 states have return successors, (129), 88 states have call predecessors, (129), 62 states have call successors, (129) [2022-10-16 17:43:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 677 transitions. [2022-10-16 17:43:14,283 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 677 transitions. Word has length 87 [2022-10-16 17:43:14,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:14,283 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 677 transitions. [2022-10-16 17:43:14,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 17:43:14,284 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 677 transitions. [2022-10-16 17:43:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 17:43:14,285 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:14,285 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:14,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 17:43:14,286 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:14,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:14,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1669106220, now seen corresponding path program 1 times [2022-10-16 17:43:14,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:14,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808763009] [2022-10-16 17:43:14,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 17:43:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 17:43:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:43:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 177 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 17:43:14,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:14,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808763009] [2022-10-16 17:43:14,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808763009] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:14,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564562056] [2022-10-16 17:43:14,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:14,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:14,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:14,825 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) [2022-10-16 17:43:14,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 17:43:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:14,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-16 17:43:14,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:15,013 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 17:43:15,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:43:15,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564562056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:15,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:43:15,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [24] total 26 [2022-10-16 17:43:15,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702681468] [2022-10-16 17:43:15,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:15,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 17:43:15,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:15,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 17:43:15,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2022-10-16 17:43:15,016 INFO L87 Difference]: Start difference. First operand 521 states and 677 transitions. Second operand has 25 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 14 states have internal predecessors, (79), 12 states have call successors, (15), 12 states have call predecessors, (15), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 17:43:15,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:15,808 INFO L93 Difference]: Finished difference Result 652 states and 814 transitions. [2022-10-16 17:43:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 17:43:15,809 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 14 states have internal predecessors, (79), 12 states have call successors, (15), 12 states have call predecessors, (15), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 109 [2022-10-16 17:43:15,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:15,814 INFO L225 Difference]: With dead ends: 652 [2022-10-16 17:43:15,814 INFO L226 Difference]: Without dead ends: 597 [2022-10-16 17:43:15,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=360, Invalid=1620, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 17:43:15,817 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 332 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:15,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 289 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 17:43:15,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2022-10-16 17:43:15,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 583. [2022-10-16 17:43:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 465 states have (on average 1.1591397849462366) internal successors, (539), 458 states have internal predecessors, (539), 69 states have call successors, (69), 30 states have call predecessors, (69), 45 states have return successors, (138), 94 states have call predecessors, (138), 68 states have call successors, (138) [2022-10-16 17:43:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 746 transitions. [2022-10-16 17:43:15,863 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 746 transitions. Word has length 109 [2022-10-16 17:43:15,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:15,864 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 746 transitions. [2022-10-16 17:43:15,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 14 states have internal predecessors, (79), 12 states have call successors, (15), 12 states have call predecessors, (15), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 17:43:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 746 transitions. [2022-10-16 17:43:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 17:43:15,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:15,865 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:15,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:16,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-10-16 17:43:16,081 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:16,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:16,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1627673271, now seen corresponding path program 1 times [2022-10-16 17:43:16,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:16,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018762375] [2022-10-16 17:43:16,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:16,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:16,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 17:43:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 17:43:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 10 proven. 132 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 17:43:16,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:16,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018762375] [2022-10-16 17:43:16,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018762375] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:16,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503701979] [2022-10-16 17:43:16,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:16,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:16,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:16,489 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) [2022-10-16 17:43:16,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 17:43:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:16,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 17:43:16,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 36 proven. 122 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 17:43:16,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 13 proven. 135 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 17:43:17,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503701979] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:17,031 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:17,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 28 [2022-10-16 17:43:17,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85591911] [2022-10-16 17:43:17,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:17,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 17:43:17,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:17,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 17:43:17,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2022-10-16 17:43:17,034 INFO L87 Difference]: Start difference. First operand 583 states and 746 transitions. Second operand has 28 states, 27 states have (on average 4.074074074074074) internal successors, (110), 21 states have internal predecessors, (110), 14 states have call successors, (20), 9 states have call predecessors, (20), 5 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2022-10-16 17:43:17,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:17,765 INFO L93 Difference]: Finished difference Result 1136 states and 1502 transitions. [2022-10-16 17:43:17,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 17:43:17,766 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 4.074074074074074) internal successors, (110), 21 states have internal predecessors, (110), 14 states have call successors, (20), 9 states have call predecessors, (20), 5 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) Word has length 99 [2022-10-16 17:43:17,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:17,771 INFO L225 Difference]: With dead ends: 1136 [2022-10-16 17:43:17,772 INFO L226 Difference]: Without dead ends: 626 [2022-10-16 17:43:17,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 198 SyntacticMatches, 17 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=1199, Unknown=0, NotChecked=0, Total=1406 [2022-10-16 17:43:17,777 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 285 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:17,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 952 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 17:43:17,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-10-16 17:43:17,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 587. [2022-10-16 17:43:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 468 states have (on average 1.1581196581196582) internal successors, (542), 461 states have internal predecessors, (542), 70 states have call successors, (70), 30 states have call predecessors, (70), 45 states have return successors, (131), 95 states have call predecessors, (131), 69 states have call successors, (131) [2022-10-16 17:43:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 743 transitions. [2022-10-16 17:43:17,818 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 743 transitions. Word has length 99 [2022-10-16 17:43:17,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:17,818 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 743 transitions. [2022-10-16 17:43:17,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 4.074074074074074) internal successors, (110), 21 states have internal predecessors, (110), 14 states have call successors, (20), 9 states have call predecessors, (20), 5 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2022-10-16 17:43:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 743 transitions. [2022-10-16 17:43:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 17:43:17,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:17,820 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:17,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:18,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-16 17:43:18,036 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:18,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:18,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1940968624, now seen corresponding path program 1 times [2022-10-16 17:43:18,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:18,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788653219] [2022-10-16 17:43:18,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:18,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 17:43:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:18,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:18,329 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 17 proven. 132 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 17:43:18,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:18,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788653219] [2022-10-16 17:43:18,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788653219] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:18,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974221484] [2022-10-16 17:43:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:18,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:18,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:18,331 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) [2022-10-16 17:43:18,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 17:43:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:18,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 17:43:18,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 17 proven. 132 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 17:43:18,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 17 proven. 132 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 17:43:18,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974221484] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:18,788 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:18,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 21 [2022-10-16 17:43:18,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041324631] [2022-10-16 17:43:18,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:18,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 17:43:18,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:18,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 17:43:18,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2022-10-16 17:43:18,795 INFO L87 Difference]: Start difference. First operand 587 states and 743 transitions. Second operand has 21 states, 20 states have (on average 3.95) internal successors, (79), 14 states have internal predecessors, (79), 9 states have call successors, (13), 8 states have call predecessors, (13), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 17:43:19,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:19,271 INFO L93 Difference]: Finished difference Result 1108 states and 1408 transitions. [2022-10-16 17:43:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 17:43:19,271 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.95) internal successors, (79), 14 states have internal predecessors, (79), 9 states have call successors, (13), 8 states have call predecessors, (13), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 100 [2022-10-16 17:43:19,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:19,278 INFO L225 Difference]: With dead ends: 1108 [2022-10-16 17:43:19,278 INFO L226 Difference]: Without dead ends: 601 [2022-10-16 17:43:19,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 200 SyntacticMatches, 16 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=678, Unknown=0, NotChecked=0, Total=812 [2022-10-16 17:43:19,284 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 240 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:19,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 658 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 17:43:19,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2022-10-16 17:43:19,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 587. [2022-10-16 17:43:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 468 states have (on average 1.1559829059829059) internal successors, (541), 461 states have internal predecessors, (541), 70 states have call successors, (70), 30 states have call predecessors, (70), 45 states have return successors, (129), 95 states have call predecessors, (129), 69 states have call successors, (129) [2022-10-16 17:43:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 740 transitions. [2022-10-16 17:43:19,327 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 740 transitions. Word has length 100 [2022-10-16 17:43:19,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:19,327 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 740 transitions. [2022-10-16 17:43:19,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.95) internal successors, (79), 14 states have internal predecessors, (79), 9 states have call successors, (13), 8 states have call predecessors, (13), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 17:43:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 740 transitions. [2022-10-16 17:43:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 17:43:19,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:19,329 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:19,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-10-16 17:43:19,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-10-16 17:43:19,544 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:19,545 INFO L85 PathProgramCache]: Analyzing trace with hash -576095250, now seen corresponding path program 1 times [2022-10-16 17:43:19,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:19,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761690287] [2022-10-16 17:43:19,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:19,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 17:43:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:19,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:19,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:19,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 17:43:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:19,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:43:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-16 17:43:19,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:19,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761690287] [2022-10-16 17:43:19,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761690287] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:19,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479458327] [2022-10-16 17:43:19,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:19,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:19,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:19,962 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) [2022-10-16 17:43:19,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 17:43:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:20,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 17:43:20,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 17:43:20,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:43:20,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479458327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:43:20,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:43:20,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23] total 33 [2022-10-16 17:43:20,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389390547] [2022-10-16 17:43:20,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:43:20,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 17:43:20,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:20,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 17:43:20,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 17:43:20,258 INFO L87 Difference]: Start difference. First operand 587 states and 740 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 17:43:20,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:20,406 INFO L93 Difference]: Finished difference Result 801 states and 1083 transitions. [2022-10-16 17:43:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 17:43:20,407 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 104 [2022-10-16 17:43:20,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:20,413 INFO L225 Difference]: With dead ends: 801 [2022-10-16 17:43:20,413 INFO L226 Difference]: Without dead ends: 800 [2022-10-16 17:43:20,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 17:43:20,416 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 18 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:20,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 324 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:43:20,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-10-16 17:43:20,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 710. [2022-10-16 17:43:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 567 states have (on average 1.1393298059964727) internal successors, (646), 553 states have internal predecessors, (646), 83 states have call successors, (83), 30 states have call predecessors, (83), 56 states have return successors, (223), 126 states have call predecessors, (223), 82 states have call successors, (223) [2022-10-16 17:43:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 952 transitions. [2022-10-16 17:43:20,478 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 952 transitions. Word has length 104 [2022-10-16 17:43:20,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:20,478 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 952 transitions. [2022-10-16 17:43:20,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-10-16 17:43:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 952 transitions. [2022-10-16 17:43:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 17:43:20,481 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:20,482 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:20,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:20,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 17:43:20,696 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting fibo2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:20,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:20,697 INFO L85 PathProgramCache]: Analyzing trace with hash -679083495, now seen corresponding path program 1 times [2022-10-16 17:43:20,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:20,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404594564] [2022-10-16 17:43:20,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:20,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 17:43:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:20,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 17:43:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:21,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:43:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-16 17:43:21,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:21,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404594564] [2022-10-16 17:43:21,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404594564] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:21,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930489445] [2022-10-16 17:43:21,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:21,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:21,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:21,089 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) [2022-10-16 17:43:21,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 17:43:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:21,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:43:21,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-10-16 17:43:21,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-10-16 17:43:21,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930489445] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:21,543 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:21,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 8, 7] total 35 [2022-10-16 17:43:21,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833829801] [2022-10-16 17:43:21,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:21,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 17:43:21,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:21,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 17:43:21,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 17:43:21,546 INFO L87 Difference]: Start difference. First operand 710 states and 952 transitions. Second operand has 35 states, 34 states have (on average 3.2941176470588234) internal successors, (112), 27 states have internal predecessors, (112), 15 states have call successors, (20), 9 states have call predecessors, (20), 6 states have return successors, (14), 11 states have call predecessors, (14), 7 states have call successors, (14) [2022-10-16 17:43:24,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:24,129 INFO L93 Difference]: Finished difference Result 1491 states and 2167 transitions. [2022-10-16 17:43:24,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-16 17:43:24,130 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 3.2941176470588234) internal successors, (112), 27 states have internal predecessors, (112), 15 states have call successors, (20), 9 states have call predecessors, (20), 6 states have return successors, (14), 11 states have call predecessors, (14), 7 states have call successors, (14) Word has length 105 [2022-10-16 17:43:24,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:24,137 INFO L225 Difference]: With dead ends: 1491 [2022-10-16 17:43:24,137 INFO L226 Difference]: Without dead ends: 843 [2022-10-16 17:43:24,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 220 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2276 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1217, Invalid=7339, Unknown=0, NotChecked=0, Total=8556 [2022-10-16 17:43:24,149 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 448 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 2425 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 2425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:24,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 257 Invalid, 2668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 2425 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 17:43:24,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-10-16 17:43:24,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 702. [2022-10-16 17:43:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 557 states have (on average 1.1292639138240574) internal successors, (629), 550 states have internal predecessors, (629), 84 states have call successors, (84), 30 states have call predecessors, (84), 57 states have return successors, (251), 121 states have call predecessors, (251), 83 states have call successors, (251) [2022-10-16 17:43:24,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 964 transitions. [2022-10-16 17:43:24,202 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 964 transitions. Word has length 105 [2022-10-16 17:43:24,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:24,202 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 964 transitions. [2022-10-16 17:43:24,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 3.2941176470588234) internal successors, (112), 27 states have internal predecessors, (112), 15 states have call successors, (20), 9 states have call predecessors, (20), 6 states have return successors, (14), 11 states have call predecessors, (14), 7 states have call successors, (14) [2022-10-16 17:43:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 964 transitions. [2022-10-16 17:43:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 17:43:24,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:24,205 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:24,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:24,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:24,420 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:24,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:24,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1479751422, now seen corresponding path program 1 times [2022-10-16 17:43:24,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:24,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457086476] [2022-10-16 17:43:24,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:24,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 17:43:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-10-16 17:43:24,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:24,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457086476] [2022-10-16 17:43:24,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457086476] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:24,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429194650] [2022-10-16 17:43:24,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:24,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:24,771 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) [2022-10-16 17:43:24,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 17:43:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:24,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 17:43:24,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-10-16 17:43:24,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 23 proven. 12 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-10-16 17:43:25,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429194650] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:25,497 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:25,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 16] total 26 [2022-10-16 17:43:25,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997880744] [2022-10-16 17:43:25,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:25,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-16 17:43:25,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:25,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-16 17:43:25,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2022-10-16 17:43:25,500 INFO L87 Difference]: Start difference. First operand 702 states and 964 transitions. Second operand has 27 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 27 states have internal predecessors, (73), 7 states have call successors, (9), 1 states have call predecessors, (9), 8 states have return successors, (17), 17 states have call predecessors, (17), 7 states have call successors, (17) [2022-10-16 17:43:25,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:25,937 INFO L93 Difference]: Finished difference Result 1101 states and 1654 transitions. [2022-10-16 17:43:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-16 17:43:25,938 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 27 states have internal predecessors, (73), 7 states have call successors, (9), 1 states have call predecessors, (9), 8 states have return successors, (17), 17 states have call predecessors, (17), 7 states have call successors, (17) Word has length 119 [2022-10-16 17:43:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:25,952 INFO L225 Difference]: With dead ends: 1101 [2022-10-16 17:43:25,952 INFO L226 Difference]: Without dead ends: 1099 [2022-10-16 17:43:25,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 237 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=1510, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 17:43:25,955 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 61 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:25,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 555 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 17:43:25,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2022-10-16 17:43:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 797. [2022-10-16 17:43:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 635 states have (on average 1.1196850393700788) internal successors, (711), 622 states have internal predecessors, (711), 92 states have call successors, (92), 30 states have call predecessors, (92), 66 states have return successors, (328), 144 states have call predecessors, (328), 91 states have call successors, (328) [2022-10-16 17:43:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1131 transitions. [2022-10-16 17:43:26,029 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1131 transitions. Word has length 119 [2022-10-16 17:43:26,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:26,029 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1131 transitions. [2022-10-16 17:43:26,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 27 states have internal predecessors, (73), 7 states have call successors, (9), 1 states have call predecessors, (9), 8 states have return successors, (17), 17 states have call predecessors, (17), 7 states have call successors, (17) [2022-10-16 17:43:26,030 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1131 transitions. [2022-10-16 17:43:26,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 17:43:26,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:26,032 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:26,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:26,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 17:43:26,246 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting fibo1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:26,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:26,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1372346271, now seen corresponding path program 1 times [2022-10-16 17:43:26,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:26,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795192724] [2022-10-16 17:43:26,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:26,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 17:43:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-10-16 17:43:26,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:26,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795192724] [2022-10-16 17:43:26,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795192724] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:26,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13230451] [2022-10-16 17:43:26,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:26,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:26,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:26,691 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) [2022-10-16 17:43:26,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 17:43:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:26,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 17:43:26,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-10-16 17:43:26,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-10-16 17:43:27,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13230451] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:27,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:27,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 15] total 28 [2022-10-16 17:43:27,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853935066] [2022-10-16 17:43:27,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:27,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 17:43:27,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:27,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 17:43:27,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2022-10-16 17:43:27,445 INFO L87 Difference]: Start difference. First operand 797 states and 1131 transitions. Second operand has 29 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 29 states have internal predecessors, (82), 7 states have call successors, (9), 1 states have call predecessors, (9), 10 states have return successors, (17), 16 states have call predecessors, (17), 7 states have call successors, (17) [2022-10-16 17:43:28,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:28,058 INFO L93 Difference]: Finished difference Result 2014 states and 3453 transitions. [2022-10-16 17:43:28,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-16 17:43:28,059 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 29 states have internal predecessors, (82), 7 states have call successors, (9), 1 states have call predecessors, (9), 10 states have return successors, (17), 16 states have call predecessors, (17), 7 states have call successors, (17) Word has length 120 [2022-10-16 17:43:28,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:28,080 INFO L225 Difference]: With dead ends: 2014 [2022-10-16 17:43:28,081 INFO L226 Difference]: Without dead ends: 2005 [2022-10-16 17:43:28,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 239 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=369, Invalid=1983, Unknown=0, NotChecked=0, Total=2352 [2022-10-16 17:43:28,086 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 61 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:28,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 707 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 17:43:28,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2022-10-16 17:43:28,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1298. [2022-10-16 17:43:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 1030 states have (on average 1.0961165048543688) internal successors, (1129), 1004 states have internal predecessors, (1129), 145 states have call successors, (145), 30 states have call predecessors, (145), 119 states have return successors, (969), 263 states have call predecessors, (969), 144 states have call successors, (969) [2022-10-16 17:43:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 2243 transitions. [2022-10-16 17:43:28,227 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 2243 transitions. Word has length 120 [2022-10-16 17:43:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:28,228 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 2243 transitions. [2022-10-16 17:43:28,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 29 states have internal predecessors, (82), 7 states have call successors, (9), 1 states have call predecessors, (9), 10 states have return successors, (17), 16 states have call predecessors, (17), 7 states have call successors, (17) [2022-10-16 17:43:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 2243 transitions. [2022-10-16 17:43:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 17:43:28,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:28,231 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:28,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:28,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 17:43:28,446 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:28,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:28,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1981294226, now seen corresponding path program 1 times [2022-10-16 17:43:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:28,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335194745] [2022-10-16 17:43:28,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:28,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:43:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 17:43:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 66 proven. 187 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-10-16 17:43:28,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:28,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335194745] [2022-10-16 17:43:28,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335194745] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:28,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896631895] [2022-10-16 17:43:28,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:28,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:28,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:28,834 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) [2022-10-16 17:43:28,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 17:43:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:28,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 17:43:28,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 66 proven. 187 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-10-16 17:43:29,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 66 proven. 187 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-10-16 17:43:29,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896631895] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:29,372 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:29,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 24 [2022-10-16 17:43:29,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103526834] [2022-10-16 17:43:29,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:29,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 17:43:29,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:29,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 17:43:29,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2022-10-16 17:43:29,376 INFO L87 Difference]: Start difference. First operand 1298 states and 2243 transitions. Second operand has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 18 states have internal predecessors, (100), 13 states have call successors, (17), 7 states have call predecessors, (17), 3 states have return successors, (11), 5 states have call predecessors, (11), 7 states have call successors, (11) [2022-10-16 17:43:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:30,051 INFO L93 Difference]: Finished difference Result 2791 states and 5012 transitions. [2022-10-16 17:43:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 17:43:30,052 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 18 states have internal predecessors, (100), 13 states have call successors, (17), 7 states have call predecessors, (17), 3 states have return successors, (11), 5 states have call predecessors, (11), 7 states have call successors, (11) Word has length 153 [2022-10-16 17:43:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:30,070 INFO L225 Difference]: With dead ends: 2791 [2022-10-16 17:43:30,070 INFO L226 Difference]: Without dead ends: 1580 [2022-10-16 17:43:30,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 316 SyntacticMatches, 15 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=789, Unknown=0, NotChecked=0, Total=930 [2022-10-16 17:43:30,087 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 234 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:30,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 643 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 17:43:30,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2022-10-16 17:43:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1516. [2022-10-16 17:43:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1516 states, 1204 states have (on average 1.0938538205980066) internal successors, (1317), 1174 states have internal predecessors, (1317), 163 states have call successors, (163), 35 states have call predecessors, (163), 145 states have return successors, (1090), 306 states have call predecessors, (1090), 162 states have call successors, (1090) [2022-10-16 17:43:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 2570 transitions. [2022-10-16 17:43:30,218 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 2570 transitions. Word has length 153 [2022-10-16 17:43:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:30,219 INFO L495 AbstractCegarLoop]: Abstraction has 1516 states and 2570 transitions. [2022-10-16 17:43:30,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 18 states have internal predecessors, (100), 13 states have call successors, (17), 7 states have call predecessors, (17), 3 states have return successors, (11), 5 states have call predecessors, (11), 7 states have call successors, (11) [2022-10-16 17:43:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2570 transitions. [2022-10-16 17:43:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-10-16 17:43:30,222 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:30,223 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-10-16 17:43:30,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:30,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 17:43:30,439 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:30,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:30,439 INFO L85 PathProgramCache]: Analyzing trace with hash -724612837, now seen corresponding path program 2 times [2022-10-16 17:43:30,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:30,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028963325] [2022-10-16 17:43:30,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:30,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:43:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 17:43:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:43:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 17:43:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 17:43:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 155 proven. 203 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-10-16 17:43:30,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:30,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028963325] [2022-10-16 17:43:30,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028963325] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:30,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558231857] [2022-10-16 17:43:30,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:43:30,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:30,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:30,949 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) [2022-10-16 17:43:30,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 17:43:31,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:43:31,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:31,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 17:43:31,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 162 proven. 207 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-10-16 17:43:31,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 162 proven. 208 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-10-16 17:43:31,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558231857] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:31,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:31,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 21] total 27 [2022-10-16 17:43:31,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635354743] [2022-10-16 17:43:31,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:31,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-16 17:43:31,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:31,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-16 17:43:31,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-10-16 17:43:31,721 INFO L87 Difference]: Start difference. First operand 1516 states and 2570 transitions. Second operand has 27 states, 26 states have (on average 4.884615384615385) internal successors, (127), 21 states have internal predecessors, (127), 15 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-10-16 17:43:32,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:32,585 INFO L93 Difference]: Finished difference Result 2272 states and 3962 transitions. [2022-10-16 17:43:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-16 17:43:32,586 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.884615384615385) internal successors, (127), 21 states have internal predecessors, (127), 15 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 190 [2022-10-16 17:43:32,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:32,594 INFO L225 Difference]: With dead ends: 2272 [2022-10-16 17:43:32,594 INFO L226 Difference]: Without dead ends: 835 [2022-10-16 17:43:32,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 397 SyntacticMatches, 16 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=367, Invalid=1889, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 17:43:32,616 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 422 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:32,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 235 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 17:43:32,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-10-16 17:43:32,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 795. [2022-10-16 17:43:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 627 states have (on average 1.0701754385964912) internal successors, (671), 626 states have internal predecessors, (671), 94 states have call successors, (94), 39 states have call predecessors, (94), 72 states have return successors, (282), 129 states have call predecessors, (282), 93 states have call successors, (282) [2022-10-16 17:43:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1047 transitions. [2022-10-16 17:43:32,671 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1047 transitions. Word has length 190 [2022-10-16 17:43:32,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:32,672 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 1047 transitions. [2022-10-16 17:43:32,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.884615384615385) internal successors, (127), 21 states have internal predecessors, (127), 15 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-10-16 17:43:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1047 transitions. [2022-10-16 17:43:32,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-16 17:43:32,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:32,675 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 17:43:32,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:32,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-16 17:43:32,890 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:32,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:32,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1868095742, now seen corresponding path program 3 times [2022-10-16 17:43:32,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:32,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709903991] [2022-10-16 17:43:32,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:32,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:43:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 17:43:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 45 proven. 56 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-10-16 17:43:33,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:33,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709903991] [2022-10-16 17:43:33,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709903991] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:33,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978527773] [2022-10-16 17:43:33,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 17:43:33,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:33,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:33,668 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) [2022-10-16 17:43:33,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 17:43:33,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-10-16 17:43:33,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:33,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-16 17:43:33,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 45 proven. 56 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-10-16 17:43:33,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-10-16 17:43:35,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978527773] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:35,263 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:35,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 22] total 36 [2022-10-16 17:43:35,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867770481] [2022-10-16 17:43:35,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:35,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-10-16 17:43:35,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:35,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-10-16 17:43:35,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1152, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 17:43:35,266 INFO L87 Difference]: Start difference. First operand 795 states and 1047 transitions. Second operand has 37 states, 36 states have (on average 2.6944444444444446) internal successors, (97), 37 states have internal predecessors, (97), 9 states have call successors, (11), 1 states have call predecessors, (11), 11 states have return successors, (24), 24 states have call predecessors, (24), 9 states have call successors, (24) [2022-10-16 17:43:35,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:35,950 INFO L93 Difference]: Finished difference Result 1390 states and 1990 transitions. [2022-10-16 17:43:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 17:43:35,951 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 2.6944444444444446) internal successors, (97), 37 states have internal predecessors, (97), 9 states have call successors, (11), 1 states have call predecessors, (11), 11 states have return successors, (24), 24 states have call predecessors, (24), 9 states have call successors, (24) Word has length 172 [2022-10-16 17:43:35,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:35,963 INFO L225 Difference]: With dead ends: 1390 [2022-10-16 17:43:35,963 INFO L226 Difference]: Without dead ends: 1388 [2022-10-16 17:43:35,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 348 SyntacticMatches, 16 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1323 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=396, Invalid=2466, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 17:43:35,967 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 63 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:35,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 825 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 17:43:35,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2022-10-16 17:43:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 983. [2022-10-16 17:43:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 774 states have (on average 1.0516795865633075) internal successors, (814), 772 states have internal predecessors, (814), 113 states have call successors, (113), 39 states have call predecessors, (113), 94 states have return successors, (459), 171 states have call predecessors, (459), 112 states have call successors, (459) [2022-10-16 17:43:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1386 transitions. [2022-10-16 17:43:36,054 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1386 transitions. Word has length 172 [2022-10-16 17:43:36,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:36,055 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1386 transitions. [2022-10-16 17:43:36,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 2.6944444444444446) internal successors, (97), 37 states have internal predecessors, (97), 9 states have call successors, (11), 1 states have call predecessors, (11), 11 states have return successors, (24), 24 states have call predecessors, (24), 9 states have call successors, (24) [2022-10-16 17:43:36,055 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1386 transitions. [2022-10-16 17:43:36,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-16 17:43:36,058 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:36,058 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 10, 10, 9, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1] [2022-10-16 17:43:36,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-10-16 17:43:36,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:36,272 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:36,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:36,273 INFO L85 PathProgramCache]: Analyzing trace with hash -764828206, now seen corresponding path program 2 times [2022-10-16 17:43:36,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:36,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759964925] [2022-10-16 17:43:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:36,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 17:43:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 17:43:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 17:43:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 175 proven. 245 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-10-16 17:43:36,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:36,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759964925] [2022-10-16 17:43:36,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759964925] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:36,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089466082] [2022-10-16 17:43:36,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:43:36,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:36,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:36,824 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:43:36,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 17:43:36,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:43:36,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:36,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 17:43:36,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 406 proven. 239 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-10-16 17:43:37,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 121 proven. 362 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-10-16 17:43:38,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089466082] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:38,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:38,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 21] total 41 [2022-10-16 17:43:38,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338309645] [2022-10-16 17:43:38,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:38,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-10-16 17:43:38,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:38,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-10-16 17:43:38,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1479, Unknown=0, NotChecked=0, Total=1640 [2022-10-16 17:43:38,105 INFO L87 Difference]: Start difference. First operand 983 states and 1386 transitions. Second operand has 41 states, 39 states have (on average 5.0) internal successors, (195), 31 states have internal predecessors, (195), 24 states have call successors, (36), 12 states have call predecessors, (36), 9 states have return successors, (27), 14 states have call predecessors, (27), 14 states have call successors, (27) [2022-10-16 17:43:40,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:40,079 INFO L93 Difference]: Finished difference Result 2237 states and 3908 transitions. [2022-10-16 17:43:40,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-16 17:43:40,080 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 5.0) internal successors, (195), 31 states have internal predecessors, (195), 24 states have call successors, (36), 12 states have call predecessors, (36), 9 states have return successors, (27), 14 states have call predecessors, (27), 14 states have call successors, (27) Word has length 225 [2022-10-16 17:43:40,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:40,093 INFO L225 Difference]: With dead ends: 2237 [2022-10-16 17:43:40,093 INFO L226 Difference]: Without dead ends: 1200 [2022-10-16 17:43:40,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 463 SyntacticMatches, 15 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1650 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=574, Invalid=4538, Unknown=0, NotChecked=0, Total=5112 [2022-10-16 17:43:40,109 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 722 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 2421 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 2756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 2421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:40,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 989 Invalid, 2756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 2421 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 17:43:40,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2022-10-16 17:43:40,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1091. [2022-10-16 17:43:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 865 states have (on average 1.0485549132947978) internal successors, (907), 853 states have internal predecessors, (907), 128 states have call successors, (128), 49 states have call predecessors, (128), 96 states have return successors, (582), 188 states have call predecessors, (582), 127 states have call successors, (582) [2022-10-16 17:43:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1617 transitions. [2022-10-16 17:43:40,197 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1617 transitions. Word has length 225 [2022-10-16 17:43:40,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:40,198 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1617 transitions. [2022-10-16 17:43:40,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 5.0) internal successors, (195), 31 states have internal predecessors, (195), 24 states have call successors, (36), 12 states have call predecessors, (36), 9 states have return successors, (27), 14 states have call predecessors, (27), 14 states have call successors, (27) [2022-10-16 17:43:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1617 transitions. [2022-10-16 17:43:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-10-16 17:43:40,200 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:40,200 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 12, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1] [2022-10-16 17:43:40,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:40,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-10-16 17:43:40,416 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:40,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:40,417 INFO L85 PathProgramCache]: Analyzing trace with hash -36076856, now seen corresponding path program 3 times [2022-10-16 17:43:40,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:40,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303609302] [2022-10-16 17:43:40,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:40,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 17:43:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-10-16 17:43:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:40,971 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 241 proven. 268 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-10-16 17:43:40,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:40,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303609302] [2022-10-16 17:43:40,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303609302] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:40,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692586516] [2022-10-16 17:43:40,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 17:43:40,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:40,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:40,974 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:43:40,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-10-16 17:43:41,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-10-16 17:43:41,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:41,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:43:41,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 223 proven. 7 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2022-10-16 17:43:41,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 223 proven. 7 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2022-10-16 17:43:41,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692586516] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:41,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:41,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 9, 9] total 29 [2022-10-16 17:43:41,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98468236] [2022-10-16 17:43:41,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:41,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 17:43:41,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:41,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 17:43:41,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2022-10-16 17:43:41,577 INFO L87 Difference]: Start difference. First operand 1091 states and 1617 transitions. Second operand has 29 states, 28 states have (on average 4.357142857142857) internal successors, (122), 24 states have internal predecessors, (122), 13 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (17), 10 states have call predecessors, (17), 8 states have call successors, (17) [2022-10-16 17:43:42,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:42,243 INFO L93 Difference]: Finished difference Result 2211 states and 3720 transitions. [2022-10-16 17:43:42,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 17:43:42,244 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.357142857142857) internal successors, (122), 24 states have internal predecessors, (122), 13 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (17), 10 states have call predecessors, (17), 8 states have call successors, (17) Word has length 244 [2022-10-16 17:43:42,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:42,258 INFO L225 Difference]: With dead ends: 2211 [2022-10-16 17:43:42,259 INFO L226 Difference]: Without dead ends: 1208 [2022-10-16 17:43:42,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 526 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=1061, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 17:43:42,279 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 237 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:42,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 572 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 17:43:42,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-10-16 17:43:42,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1012. [2022-10-16 17:43:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 804 states have (on average 1.0522388059701493) internal successors, (846), 793 states have internal predecessors, (846), 120 states have call successors, (120), 54 states have call predecessors, (120), 86 states have return successors, (450), 164 states have call predecessors, (450), 119 states have call successors, (450) [2022-10-16 17:43:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1416 transitions. [2022-10-16 17:43:42,360 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1416 transitions. Word has length 244 [2022-10-16 17:43:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:42,360 INFO L495 AbstractCegarLoop]: Abstraction has 1012 states and 1416 transitions. [2022-10-16 17:43:42,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.357142857142857) internal successors, (122), 24 states have internal predecessors, (122), 13 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (17), 10 states have call predecessors, (17), 8 states have call successors, (17) [2022-10-16 17:43:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1416 transitions. [2022-10-16 17:43:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-10-16 17:43:42,363 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:42,363 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 13, 12, 12, 12, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1] [2022-10-16 17:43:42,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:42,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:42,578 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:42,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:42,578 INFO L85 PathProgramCache]: Analyzing trace with hash 749884, now seen corresponding path program 4 times [2022-10-16 17:43:42,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:42,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411896681] [2022-10-16 17:43:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:42,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 17:43:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 17:43:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 17:43:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 17:43:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 248 proven. 280 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2022-10-16 17:43:43,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:43,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411896681] [2022-10-16 17:43:43,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411896681] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:43,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612377329] [2022-10-16 17:43:43,133 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 17:43:43,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:43,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:43,135 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:43:43,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-16 17:43:43,250 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 17:43:43,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:43,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 17:43:43,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 289 proven. 300 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2022-10-16 17:43:43,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 293 proven. 302 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-10-16 17:43:44,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612377329] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:44,169 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:44,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 21] total 27 [2022-10-16 17:43:44,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026707370] [2022-10-16 17:43:44,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:44,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-16 17:43:44,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:44,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-16 17:43:44,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2022-10-16 17:43:44,173 INFO L87 Difference]: Start difference. First operand 1012 states and 1416 transitions. Second operand has 27 states, 26 states have (on average 5.230769230769231) internal successors, (136), 22 states have internal predecessors, (136), 16 states have call successors, (23), 6 states have call predecessors, (23), 7 states have return successors, (23), 9 states have call predecessors, (23), 11 states have call successors, (23) [2022-10-16 17:43:44,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:44,989 INFO L93 Difference]: Finished difference Result 1938 states and 3083 transitions. [2022-10-16 17:43:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-16 17:43:44,990 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 5.230769230769231) internal successors, (136), 22 states have internal predecessors, (136), 16 states have call successors, (23), 6 states have call predecessors, (23), 7 states have return successors, (23), 9 states have call predecessors, (23), 11 states have call successors, (23) Word has length 265 [2022-10-16 17:43:44,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:44,998 INFO L225 Difference]: With dead ends: 1938 [2022-10-16 17:43:44,998 INFO L226 Difference]: Without dead ends: 1008 [2022-10-16 17:43:45,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 561 SyntacticMatches, 15 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892 [2022-10-16 17:43:45,005 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 286 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:45,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 409 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 17:43:45,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2022-10-16 17:43:45,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 983. [2022-10-16 17:43:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 781 states have (on average 1.0473751600512164) internal successors, (818), 770 states have internal predecessors, (818), 116 states have call successors, (116), 50 states have call predecessors, (116), 84 states have return successors, (451), 162 states have call predecessors, (451), 115 states have call successors, (451) [2022-10-16 17:43:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1385 transitions. [2022-10-16 17:43:45,077 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1385 transitions. Word has length 265 [2022-10-16 17:43:45,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:45,078 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1385 transitions. [2022-10-16 17:43:45,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 5.230769230769231) internal successors, (136), 22 states have internal predecessors, (136), 16 states have call successors, (23), 6 states have call predecessors, (23), 7 states have return successors, (23), 9 states have call predecessors, (23), 11 states have call successors, (23) [2022-10-16 17:43:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1385 transitions. [2022-10-16 17:43:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-10-16 17:43:45,081 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:45,081 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 12, 12, 12, 12, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1] [2022-10-16 17:43:45,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:45,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:45,296 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:45,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:45,297 INFO L85 PathProgramCache]: Analyzing trace with hash -316832171, now seen corresponding path program 5 times [2022-10-16 17:43:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:45,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131408092] [2022-10-16 17:43:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 17:43:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 17:43:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 148 proven. 176 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2022-10-16 17:43:46,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:46,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131408092] [2022-10-16 17:43:46,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131408092] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:46,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740215600] [2022-10-16 17:43:46,909 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 17:43:46,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:46,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:46,910 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:43:46,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-16 17:43:47,043 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2022-10-16 17:43:47,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:47,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-16 17:43:47,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 148 proven. 176 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2022-10-16 17:43:47,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 218 proven. 155 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-10-16 17:43:50,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740215600] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:50,362 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:50,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 29] total 47 [2022-10-16 17:43:50,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073866074] [2022-10-16 17:43:50,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:50,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-10-16 17:43:50,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:50,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-10-16 17:43:50,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1969, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 17:43:50,365 INFO L87 Difference]: Start difference. First operand 983 states and 1385 transitions. Second operand has 48 states, 47 states have (on average 2.6382978723404253) internal successors, (124), 48 states have internal predecessors, (124), 12 states have call successors, (14), 1 states have call predecessors, (14), 14 states have return successors, (32), 32 states have call predecessors, (32), 12 states have call successors, (32) [2022-10-16 17:43:51,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:51,067 INFO L93 Difference]: Finished difference Result 1470 states and 2163 transitions. [2022-10-16 17:43:51,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-16 17:43:51,068 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.6382978723404253) internal successors, (124), 48 states have internal predecessors, (124), 12 states have call successors, (14), 1 states have call predecessors, (14), 14 states have return successors, (32), 32 states have call predecessors, (32), 12 states have call successors, (32) Word has length 264 [2022-10-16 17:43:51,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:51,081 INFO L225 Difference]: With dead ends: 1470 [2022-10-16 17:43:51,082 INFO L226 Difference]: Without dead ends: 1456 [2022-10-16 17:43:51,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 544 SyntacticMatches, 33 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2746 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=551, Invalid=3609, Unknown=0, NotChecked=0, Total=4160 [2022-10-16 17:43:51,087 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 64 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:51,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 928 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 17:43:51,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2022-10-16 17:43:51,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1081. [2022-10-16 17:43:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 858 states have (on average 1.0384615384615385) internal successors, (891), 848 states have internal predecessors, (891), 121 states have call successors, (121), 50 states have call predecessors, (121), 100 states have return successors, (520), 182 states have call predecessors, (520), 120 states have call successors, (520) [2022-10-16 17:43:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1532 transitions. [2022-10-16 17:43:51,181 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1532 transitions. Word has length 264 [2022-10-16 17:43:51,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:51,181 INFO L495 AbstractCegarLoop]: Abstraction has 1081 states and 1532 transitions. [2022-10-16 17:43:51,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.6382978723404253) internal successors, (124), 48 states have internal predecessors, (124), 12 states have call successors, (14), 1 states have call predecessors, (14), 14 states have return successors, (32), 32 states have call predecessors, (32), 12 states have call successors, (32) [2022-10-16 17:43:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1532 transitions. [2022-10-16 17:43:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-10-16 17:43:51,186 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:51,186 INFO L195 NwaCegarLoop]: trace histogram [24, 22, 22, 20, 19, 19, 13, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 6, 5, 3, 1, 1, 1, 1] [2022-10-16 17:43:51,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:51,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:51,400 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:51,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1173516225, now seen corresponding path program 4 times [2022-10-16 17:43:51,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:51,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358815369] [2022-10-16 17:43:51,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:51,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:43:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:43:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-16 17:43:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 17:43:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 17:43:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3288 backedges. 604 proven. 492 refuted. 0 times theorem prover too weak. 2192 trivial. 0 not checked. [2022-10-16 17:43:52,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:52,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358815369] [2022-10-16 17:43:52,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358815369] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:52,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861997525] [2022-10-16 17:43:52,441 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 17:43:52,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:52,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:52,442 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:43:52,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-16 17:43:52,590 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 17:43:52,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:52,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 17:43:52,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3288 backedges. 709 proven. 543 refuted. 0 times theorem prover too weak. 2036 trivial. 0 not checked. [2022-10-16 17:43:52,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:43:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3288 backedges. 709 proven. 565 refuted. 0 times theorem prover too weak. 2014 trivial. 0 not checked. [2022-10-16 17:43:54,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861997525] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:43:54,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:43:54,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 23] total 32 [2022-10-16 17:43:54,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056990389] [2022-10-16 17:43:54,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:43:54,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 17:43:54,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:43:54,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 17:43:54,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=874, Unknown=0, NotChecked=0, Total=992 [2022-10-16 17:43:54,314 INFO L87 Difference]: Start difference. First operand 1081 states and 1532 transitions. Second operand has 32 states, 31 states have (on average 5.290322580645161) internal successors, (164), 28 states have internal predecessors, (164), 23 states have call successors, (29), 5 states have call predecessors, (29), 9 states have return successors, (32), 11 states have call predecessors, (32), 19 states have call successors, (32) [2022-10-16 17:43:55,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:43:55,282 INFO L93 Difference]: Finished difference Result 2196 states and 3478 transitions. [2022-10-16 17:43:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-16 17:43:55,285 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.290322580645161) internal successors, (164), 28 states have internal predecessors, (164), 23 states have call successors, (29), 5 states have call predecessors, (29), 9 states have return successors, (32), 11 states have call predecessors, (32), 19 states have call successors, (32) Word has length 435 [2022-10-16 17:43:55,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:43:55,298 INFO L225 Difference]: With dead ends: 2196 [2022-10-16 17:43:55,298 INFO L226 Difference]: Without dead ends: 1221 [2022-10-16 17:43:55,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1000 GetRequests, 932 SyntacticMatches, 15 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=452, Invalid=2518, Unknown=0, NotChecked=0, Total=2970 [2022-10-16 17:43:55,305 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 337 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 17:43:55,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 375 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 17:43:55,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-10-16 17:43:55,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1170. [2022-10-16 17:43:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 930 states have (on average 1.032258064516129) internal successors, (960), 918 states have internal predecessors, (960), 129 states have call successors, (129), 55 states have call predecessors, (129), 109 states have return successors, (584), 196 states have call predecessors, (584), 128 states have call successors, (584) [2022-10-16 17:43:55,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1673 transitions. [2022-10-16 17:43:55,394 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1673 transitions. Word has length 435 [2022-10-16 17:43:55,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:43:55,395 INFO L495 AbstractCegarLoop]: Abstraction has 1170 states and 1673 transitions. [2022-10-16 17:43:55,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.290322580645161) internal successors, (164), 28 states have internal predecessors, (164), 23 states have call successors, (29), 5 states have call predecessors, (29), 9 states have return successors, (32), 11 states have call predecessors, (32), 19 states have call successors, (32) [2022-10-16 17:43:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1673 transitions. [2022-10-16 17:43:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-10-16 17:43:55,400 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:43:55,400 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 20, 20, 18, 18, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 6, 4, 4, 1, 1, 1, 1] [2022-10-16 17:43:55,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-10-16 17:43:55,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:55,614 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:43:55,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:43:55,615 INFO L85 PathProgramCache]: Analyzing trace with hash -332991782, now seen corresponding path program 5 times [2022-10-16 17:43:55,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:43:55,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716507029] [2022-10-16 17:43:55,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:43:55,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:43:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:57,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:43:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:43:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-16 17:43:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:43:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:43:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:43:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:43:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:43:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:43:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2974 backedges. 432 proven. 516 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2022-10-16 17:43:59,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:43:59,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716507029] [2022-10-16 17:43:59,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716507029] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:43:59,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016942489] [2022-10-16 17:43:59,013 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 17:43:59,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:43:59,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:43:59,015 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:43:59,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-16 17:43:59,217 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2022-10-16 17:43:59,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:43:59,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 81 conjunts are in the unsatisfiable core [2022-10-16 17:43:59,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:43:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2974 backedges. 432 proven. 516 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2022-10-16 17:43:59,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:44:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2974 backedges. 585 proven. 459 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2022-10-16 17:44:07,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016942489] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:44:07,274 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:44:07,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 37] total 58 [2022-10-16 17:44:07,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015412042] [2022-10-16 17:44:07,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:44:07,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-10-16 17:44:07,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:44:07,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-10-16 17:44:07,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=3007, Unknown=0, NotChecked=0, Total=3422 [2022-10-16 17:44:07,278 INFO L87 Difference]: Start difference. First operand 1170 states and 1673 transitions. Second operand has 59 states, 58 states have (on average 2.603448275862069) internal successors, (151), 59 states have internal predecessors, (151), 15 states have call successors, (17), 1 states have call predecessors, (17), 17 states have return successors, (40), 40 states have call predecessors, (40), 15 states have call successors, (40) [2022-10-16 17:44:08,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:44:08,338 INFO L93 Difference]: Finished difference Result 1999 states and 3122 transitions. [2022-10-16 17:44:08,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-10-16 17:44:08,340 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 2.603448275862069) internal successors, (151), 59 states have internal predecessors, (151), 15 states have call successors, (17), 1 states have call predecessors, (17), 17 states have return successors, (40), 40 states have call predecessors, (40), 15 states have call successors, (40) Word has length 415 [2022-10-16 17:44:08,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:44:08,358 INFO L225 Difference]: With dead ends: 1999 [2022-10-16 17:44:08,359 INFO L226 Difference]: Without dead ends: 1981 [2022-10-16 17:44:08,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1018 GetRequests, 870 SyntacticMatches, 62 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5994 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1009, Invalid=6647, Unknown=0, NotChecked=0, Total=7656 [2022-10-16 17:44:08,364 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 103 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 17:44:08,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1034 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 17:44:08,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2022-10-16 17:44:08,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1356. [2022-10-16 17:44:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1075 states have (on average 1.0213953488372094) internal successors, (1098), 1064 states have internal predecessors, (1098), 146 states have call successors, (146), 55 states have call predecessors, (146), 133 states have return successors, (775), 236 states have call predecessors, (775), 145 states have call successors, (775) [2022-10-16 17:44:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 2019 transitions. [2022-10-16 17:44:08,492 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 2019 transitions. Word has length 415 [2022-10-16 17:44:08,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:44:08,493 INFO L495 AbstractCegarLoop]: Abstraction has 1356 states and 2019 transitions. [2022-10-16 17:44:08,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 2.603448275862069) internal successors, (151), 59 states have internal predecessors, (151), 15 states have call successors, (17), 1 states have call predecessors, (17), 17 states have return successors, (40), 40 states have call predecessors, (40), 15 states have call successors, (40) [2022-10-16 17:44:08,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 2019 transitions. [2022-10-16 17:44:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-10-16 17:44:08,497 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:44:08,498 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 23, 22, 22, 19, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 6, 5, 1, 1, 1, 1, 1] [2022-10-16 17:44:08,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-10-16 17:44:08,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-10-16 17:44:08,713 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:44:08,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:44:08,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1974810246, now seen corresponding path program 6 times [2022-10-16 17:44:08,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:44:08,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432698379] [2022-10-16 17:44:08,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:44:08,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:44:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:44:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-16 17:44:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 17:44:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 951 proven. 587 refuted. 0 times theorem prover too weak. 2106 trivial. 0 not checked. [2022-10-16 17:44:09,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:44:09,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432698379] [2022-10-16 17:44:09,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432698379] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:44:09,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615175686] [2022-10-16 17:44:09,755 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-10-16 17:44:09,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:44:09,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:44:09,758 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:44:09,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-10-16 17:44:09,939 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-10-16 17:44:09,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:44:09,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 17:44:09,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:44:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 423 proven. 4 refuted. 0 times theorem prover too weak. 3217 trivial. 0 not checked. [2022-10-16 17:44:10,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:44:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 423 proven. 4 refuted. 0 times theorem prover too weak. 3217 trivial. 0 not checked. [2022-10-16 17:44:10,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615175686] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:44:10,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:44:10,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 7, 7] total 35 [2022-10-16 17:44:10,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676863140] [2022-10-16 17:44:10,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:44:10,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 17:44:10,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:44:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 17:44:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1032, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 17:44:10,554 INFO L87 Difference]: Start difference. First operand 1356 states and 2019 transitions. Second operand has 35 states, 34 states have (on average 4.117647058823529) internal successors, (140), 31 states have internal predecessors, (140), 16 states have call successors, (22), 5 states have call predecessors, (22), 11 states have return successors, (24), 17 states have call predecessors, (24), 12 states have call successors, (24) [2022-10-16 17:44:11,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:44:11,738 INFO L93 Difference]: Finished difference Result 2467 states and 3998 transitions. [2022-10-16 17:44:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 17:44:11,738 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.117647058823529) internal successors, (140), 31 states have internal predecessors, (140), 16 states have call successors, (22), 5 states have call predecessors, (22), 11 states have return successors, (24), 17 states have call predecessors, (24), 12 states have call successors, (24) Word has length 457 [2022-10-16 17:44:11,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:44:11,748 INFO L225 Difference]: With dead ends: 2467 [2022-10-16 17:44:11,748 INFO L226 Difference]: Without dead ends: 1156 [2022-10-16 17:44:11,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1058 GetRequests, 995 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=609, Invalid=3173, Unknown=0, NotChecked=0, Total=3782 [2022-10-16 17:44:11,759 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 337 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:44:11,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 532 Invalid, 1568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 17:44:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2022-10-16 17:44:11,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1078. [2022-10-16 17:44:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 858 states have (on average 1.0233100233100234) internal successors, (878), 848 states have internal predecessors, (878), 128 states have call successors, (128), 63 states have call predecessors, (128), 90 states have return successors, (328), 166 states have call predecessors, (328), 127 states have call successors, (328) [2022-10-16 17:44:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1334 transitions. [2022-10-16 17:44:11,832 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1334 transitions. Word has length 457 [2022-10-16 17:44:11,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:44:11,833 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1334 transitions. [2022-10-16 17:44:11,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 4.117647058823529) internal successors, (140), 31 states have internal predecessors, (140), 16 states have call successors, (22), 5 states have call predecessors, (22), 11 states have return successors, (24), 17 states have call predecessors, (24), 12 states have call successors, (24) [2022-10-16 17:44:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1334 transitions. [2022-10-16 17:44:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2022-10-16 17:44:11,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:44:11,841 INFO L195 NwaCegarLoop]: trace histogram [36, 35, 34, 34, 29, 29, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 11, 11, 7, 6, 1, 1, 1, 1] [2022-10-16 17:44:11,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-10-16 17:44:12,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-10-16 17:44:12,056 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:44:12,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:44:12,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1826303687, now seen corresponding path program 6 times [2022-10-16 17:44:12,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:44:12,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633531014] [2022-10-16 17:44:12,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:44:12,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:44:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 17:44:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:44:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-10-16 17:44:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-16 17:44:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 8312 backedges. 1720 proven. 650 refuted. 0 times theorem prover too weak. 5942 trivial. 0 not checked. [2022-10-16 17:44:13,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:44:13,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633531014] [2022-10-16 17:44:13,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633531014] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:44:13,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015736889] [2022-10-16 17:44:13,288 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-10-16 17:44:13,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:44:13,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:44:13,290 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:44:13,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-10-16 17:44:13,606 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-10-16 17:44:13,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:44:13,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 17:44:13,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:44:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8312 backedges. 1434 proven. 117 refuted. 0 times theorem prover too weak. 6761 trivial. 0 not checked. [2022-10-16 17:44:13,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:44:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8312 backedges. 1434 proven. 123 refuted. 0 times theorem prover too weak. 6755 trivial. 0 not checked. [2022-10-16 17:44:15,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015736889] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:44:15,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:44:15,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 13, 15] total 36 [2022-10-16 17:44:15,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706591948] [2022-10-16 17:44:15,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:44:15,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 17:44:15,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:44:15,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 17:44:15,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1101, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 17:44:15,188 INFO L87 Difference]: Start difference. First operand 1078 states and 1334 transitions. Second operand has 36 states, 35 states have (on average 5.257142857142857) internal successors, (184), 33 states have internal predecessors, (184), 22 states have call successors, (33), 4 states have call predecessors, (33), 11 states have return successors, (35), 21 states have call predecessors, (35), 19 states have call successors, (35) [2022-10-16 17:44:16,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:44:16,102 INFO L93 Difference]: Finished difference Result 2100 states and 2751 transitions. [2022-10-16 17:44:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-16 17:44:16,102 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.257142857142857) internal successors, (184), 33 states have internal predecessors, (184), 22 states have call successors, (33), 4 states have call predecessors, (33), 11 states have return successors, (35), 21 states have call predecessors, (35), 19 states have call successors, (35) Word has length 684 [2022-10-16 17:44:16,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:44:16,113 INFO L225 Difference]: With dead ends: 2100 [2022-10-16 17:44:16,113 INFO L226 Difference]: Without dead ends: 1161 [2022-10-16 17:44:16,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1540 GetRequests, 1488 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=308, Invalid=1854, Unknown=0, NotChecked=0, Total=2162 [2022-10-16 17:44:16,120 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 286 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 17:44:16,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 595 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 17:44:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-10-16 17:44:16,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1068. [2022-10-16 17:44:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 851 states have (on average 1.0235017626321974) internal successors, (871), 841 states have internal predecessors, (871), 127 states have call successors, (127), 65 states have call predecessors, (127), 88 states have return successors, (313), 161 states have call predecessors, (313), 126 states have call successors, (313) [2022-10-16 17:44:16,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1311 transitions. [2022-10-16 17:44:16,209 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1311 transitions. Word has length 684 [2022-10-16 17:44:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:44:16,210 INFO L495 AbstractCegarLoop]: Abstraction has 1068 states and 1311 transitions. [2022-10-16 17:44:16,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.257142857142857) internal successors, (184), 33 states have internal predecessors, (184), 22 states have call successors, (33), 4 states have call predecessors, (33), 11 states have return successors, (35), 21 states have call predecessors, (35), 19 states have call successors, (35) [2022-10-16 17:44:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1311 transitions. [2022-10-16 17:44:16,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2022-10-16 17:44:16,218 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:44:16,219 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 34, 30, 29, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 8, 6, 1, 1, 1, 1] [2022-10-16 17:44:16,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-10-16 17:44:16,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-10-16 17:44:16,434 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:44:16,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:44:16,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1269524229, now seen corresponding path program 7 times [2022-10-16 17:44:16,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:44:16,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918920744] [2022-10-16 17:44:16,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:44:16,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:44:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 17:44:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:44:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-10-16 17:44:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-16 17:44:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 17:44:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 8793 backedges. 1251 proven. 760 refuted. 0 times theorem prover too weak. 6782 trivial. 0 not checked. [2022-10-16 17:44:17,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:44:17,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918920744] [2022-10-16 17:44:17,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918920744] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:44:17,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643510938] [2022-10-16 17:44:17,822 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-10-16 17:44:17,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:44:17,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:44:17,824 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:44:17,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-10-16 17:44:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:18,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 17:44:18,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:44:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8793 backedges. 1375 proven. 915 refuted. 0 times theorem prover too weak. 6503 trivial. 0 not checked. [2022-10-16 17:44:18,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:44:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 8793 backedges. 1375 proven. 948 refuted. 0 times theorem prover too weak. 6470 trivial. 0 not checked. [2022-10-16 17:44:20,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643510938] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:44:20,622 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:44:20,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 23] total 34 [2022-10-16 17:44:20,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526100581] [2022-10-16 17:44:20,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:44:20,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 17:44:20,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:44:20,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 17:44:20,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=980, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 17:44:20,626 INFO L87 Difference]: Start difference. First operand 1068 states and 1311 transitions. Second operand has 34 states, 33 states have (on average 5.545454545454546) internal successors, (183), 31 states have internal predecessors, (183), 24 states have call successors, (31), 4 states have call predecessors, (31), 12 states have return successors, (37), 15 states have call predecessors, (37), 21 states have call successors, (37) [2022-10-16 17:44:21,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:44:21,647 INFO L93 Difference]: Finished difference Result 2066 states and 2638 transitions. [2022-10-16 17:44:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-16 17:44:21,647 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 5.545454545454546) internal successors, (183), 31 states have internal predecessors, (183), 24 states have call successors, (31), 4 states have call predecessors, (31), 12 states have return successors, (37), 15 states have call predecessors, (37), 21 states have call successors, (37) Word has length 703 [2022-10-16 17:44:21,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:44:21,653 INFO L225 Difference]: With dead ends: 2066 [2022-10-16 17:44:21,653 INFO L226 Difference]: Without dead ends: 1116 [2022-10-16 17:44:21,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1587 GetRequests, 1521 SyntacticMatches, 14 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=429, Invalid=2433, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 17:44:21,658 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 302 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 17:44:21,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 484 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 17:44:21,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-10-16 17:44:21,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1014. [2022-10-16 17:44:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 808 states have (on average 1.0222772277227723) internal successors, (826), 800 states have internal predecessors, (826), 122 states have call successors, (122), 64 states have call predecessors, (122), 82 states have return successors, (271), 149 states have call predecessors, (271), 121 states have call successors, (271) [2022-10-16 17:44:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1219 transitions. [2022-10-16 17:44:21,727 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1219 transitions. Word has length 703 [2022-10-16 17:44:21,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:44:21,727 INFO L495 AbstractCegarLoop]: Abstraction has 1014 states and 1219 transitions. [2022-10-16 17:44:21,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 5.545454545454546) internal successors, (183), 31 states have internal predecessors, (183), 24 states have call successors, (31), 4 states have call predecessors, (31), 12 states have return successors, (37), 15 states have call predecessors, (37), 21 states have call successors, (37) [2022-10-16 17:44:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1219 transitions. [2022-10-16 17:44:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2022-10-16 17:44:21,734 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:44:21,734 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 32, 28, 28, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1] [2022-10-16 17:44:21,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-10-16 17:44:21,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-10-16 17:44:21,948 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:44:21,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:44:21,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2033245214, now seen corresponding path program 8 times [2022-10-16 17:44:21,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:44:21,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80253440] [2022-10-16 17:44:21,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:44:21,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:44:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 17:44:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:44:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-10-16 17:44:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 7825 backedges. 1237 proven. 1424 refuted. 0 times theorem prover too weak. 5164 trivial. 0 not checked. [2022-10-16 17:44:27,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:44:27,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80253440] [2022-10-16 17:44:27,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80253440] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:44:27,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785357512] [2022-10-16 17:44:27,967 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:44:27,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:44:27,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:44:27,968 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:44:27,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-10-16 17:44:28,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:44:28,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:44:28,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 133 conjunts are in the unsatisfiable core [2022-10-16 17:44:28,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:44:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7825 backedges. 1237 proven. 1424 refuted. 0 times theorem prover too weak. 5164 trivial. 0 not checked. [2022-10-16 17:44:29,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:44:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 7825 backedges. 1543 proven. 1300 refuted. 0 times theorem prover too weak. 4982 trivial. 0 not checked. [2022-10-16 17:44:47,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785357512] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:44:47,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:44:47,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 46] total 69 [2022-10-16 17:44:47,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897612432] [2022-10-16 17:44:47,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:44:47,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-10-16 17:44:47,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:44:47,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-10-16 17:44:47,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=4261, Unknown=0, NotChecked=0, Total=4830 [2022-10-16 17:44:47,353 INFO L87 Difference]: Start difference. First operand 1014 states and 1219 transitions. Second operand has 70 states, 69 states have (on average 2.579710144927536) internal successors, (178), 70 states have internal predecessors, (178), 18 states have call successors, (20), 1 states have call predecessors, (20), 20 states have return successors, (48), 48 states have call predecessors, (48), 18 states have call successors, (48) [2022-10-16 17:44:47,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:44:47,793 INFO L93 Difference]: Finished difference Result 1115 states and 1325 transitions. [2022-10-16 17:44:47,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-10-16 17:44:47,794 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 69 states have (on average 2.579710144927536) internal successors, (178), 70 states have internal predecessors, (178), 18 states have call successors, (20), 1 states have call predecessors, (20), 20 states have return successors, (48), 48 states have call predecessors, (48), 18 states have call successors, (48) Word has length 664 [2022-10-16 17:44:47,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:44:47,800 INFO L225 Difference]: With dead ends: 1115 [2022-10-16 17:44:47,801 INFO L226 Difference]: Without dead ends: 1031 [2022-10-16 17:44:47,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1599 GetRequests, 1412 SyntacticMatches, 111 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9130 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=721, Invalid=5285, Unknown=0, NotChecked=0, Total=6006 [2022-10-16 17:44:47,804 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 73 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:44:47,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 639 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 17:44:47,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2022-10-16 17:44:47,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 928. [2022-10-16 17:44:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 739 states have (on average 1.0162381596752368) internal successors, (751), 734 states have internal predecessors, (751), 113 states have call successors, (113), 62 states have call predecessors, (113), 74 states have return successors, (216), 131 states have call predecessors, (216), 112 states have call successors, (216) [2022-10-16 17:44:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1080 transitions. [2022-10-16 17:44:47,867 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1080 transitions. Word has length 664 [2022-10-16 17:44:47,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:44:47,868 INFO L495 AbstractCegarLoop]: Abstraction has 928 states and 1080 transitions. [2022-10-16 17:44:47,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 69 states have (on average 2.579710144927536) internal successors, (178), 70 states have internal predecessors, (178), 18 states have call successors, (20), 1 states have call predecessors, (20), 20 states have return successors, (48), 48 states have call predecessors, (48), 18 states have call successors, (48) [2022-10-16 17:44:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1080 transitions. [2022-10-16 17:44:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1012 [2022-10-16 17:44:47,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:44:47,883 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 51, 50, 42, 42, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 24, 24, 17, 15, 11, 9, 1, 1, 1, 1] [2022-10-16 17:44:47,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-10-16 17:44:48,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-10-16 17:44:48,099 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:44:48,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:44:48,100 INFO L85 PathProgramCache]: Analyzing trace with hash -2014030869, now seen corresponding path program 7 times [2022-10-16 17:44:48,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:44:48,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141433419] [2022-10-16 17:44:48,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:44:48,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:44:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:44:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 17:44:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2022-10-16 17:44:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:44:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18434 backedges. 2970 proven. 864 refuted. 0 times theorem prover too weak. 14600 trivial. 0 not checked. [2022-10-16 17:44:50,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:44:50,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141433419] [2022-10-16 17:44:50,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141433419] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:44:50,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300650044] [2022-10-16 17:44:50,125 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-10-16 17:44:50,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:44:50,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:44:50,127 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:44:50,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-10-16 17:44:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:50,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1892 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 17:44:50,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:44:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 18434 backedges. 1859 proven. 578 refuted. 0 times theorem prover too weak. 15997 trivial. 0 not checked. [2022-10-16 17:44:50,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:44:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 18434 backedges. 1863 proven. 588 refuted. 0 times theorem prover too weak. 15983 trivial. 0 not checked. [2022-10-16 17:44:52,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300650044] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:44:52,615 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:44:52,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14, 17] total 33 [2022-10-16 17:44:52,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018444745] [2022-10-16 17:44:52,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:44:52,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-10-16 17:44:52,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:44:52,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-10-16 17:44:52,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=907, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 17:44:52,619 INFO L87 Difference]: Start difference. First operand 928 states and 1080 transitions. Second operand has 33 states, 32 states have (on average 5.3125) internal successors, (170), 31 states have internal predecessors, (170), 22 states have call successors, (30), 3 states have call predecessors, (30), 11 states have return successors, (36), 21 states have call predecessors, (36), 20 states have call successors, (36) [2022-10-16 17:44:53,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:44:53,565 INFO L93 Difference]: Finished difference Result 1822 states and 2156 transitions. [2022-10-16 17:44:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 17:44:53,566 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.3125) internal successors, (170), 31 states have internal predecessors, (170), 22 states have call successors, (30), 3 states have call predecessors, (30), 11 states have return successors, (36), 21 states have call predecessors, (36), 20 states have call successors, (36) Word has length 1011 [2022-10-16 17:44:53,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:44:53,573 INFO L225 Difference]: With dead ends: 1822 [2022-10-16 17:44:53,573 INFO L226 Difference]: Without dead ends: 1076 [2022-10-16 17:44:53,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2262 GetRequests, 2209 SyntacticMatches, 10 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=292, Invalid=1688, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 17:44:53,577 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 299 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:44:53,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 628 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 17:44:53,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2022-10-16 17:44:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 973. [2022-10-16 17:44:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 973 states, 774 states have (on average 1.0155038759689923) internal successors, (786), 770 states have internal predecessors, (786), 120 states have call successors, (120), 64 states have call predecessors, (120), 77 states have return successors, (242), 138 states have call predecessors, (242), 119 states have call successors, (242) [2022-10-16 17:44:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1148 transitions. [2022-10-16 17:44:53,646 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1148 transitions. Word has length 1011 [2022-10-16 17:44:53,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:44:53,647 INFO L495 AbstractCegarLoop]: Abstraction has 973 states and 1148 transitions. [2022-10-16 17:44:53,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.3125) internal successors, (170), 31 states have internal predecessors, (170), 22 states have call successors, (30), 3 states have call predecessors, (30), 11 states have return successors, (36), 21 states have call predecessors, (36), 20 states have call successors, (36) [2022-10-16 17:44:53,648 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1148 transitions. [2022-10-16 17:44:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2022-10-16 17:44:53,662 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:44:53,663 INFO L195 NwaCegarLoop]: trace histogram [53, 53, 52, 52, 44, 42, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 17, 16, 11, 9, 1, 1, 1, 1] [2022-10-16 17:44:53,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-10-16 17:44:53,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-10-16 17:44:53,876 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:44:53,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:44:53,877 INFO L85 PathProgramCache]: Analyzing trace with hash -891881942, now seen corresponding path program 8 times [2022-10-16 17:44:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:44:53,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119359628] [2022-10-16 17:44:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:44:53,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:44:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:44:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 17:44:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:44:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2022-10-16 17:44:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 17:44:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-16 17:44:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:44:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:44:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:44:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:44:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:44:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:44:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 19176 backedges. 2626 proven. 1164 refuted. 0 times theorem prover too weak. 15386 trivial. 0 not checked. [2022-10-16 17:44:56,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:44:56,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119359628] [2022-10-16 17:44:56,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119359628] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:44:56,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937063010] [2022-10-16 17:44:56,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:44:56,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:44:56,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:44:56,017 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:44:56,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-10-16 17:44:56,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:44:56,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:44:56,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 17:44:56,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:44:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 19176 backedges. 1811 proven. 1090 refuted. 0 times theorem prover too weak. 16275 trivial. 0 not checked. [2022-10-16 17:44:56,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:44:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 19176 backedges. 1811 proven. 1114 refuted. 0 times theorem prover too weak. 16251 trivial. 0 not checked. [2022-10-16 17:44:58,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937063010] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:44:58,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:44:58,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 15, 19] total 34 [2022-10-16 17:44:58,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535275588] [2022-10-16 17:44:58,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:44:58,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 17:44:58,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:44:58,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 17:44:58,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=964, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 17:44:58,870 INFO L87 Difference]: Start difference. First operand 973 states and 1148 transitions. Second operand has 34 states, 33 states have (on average 5.393939393939394) internal successors, (178), 32 states have internal predecessors, (178), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (38), 18 states have call predecessors, (38), 24 states have call successors, (38) [2022-10-16 17:44:59,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:44:59,861 INFO L93 Difference]: Finished difference Result 1847 states and 2256 transitions. [2022-10-16 17:44:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 17:44:59,861 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 5.393939393939394) internal successors, (178), 32 states have internal predecessors, (178), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (38), 18 states have call predecessors, (38), 24 states have call successors, (38) Word has length 1031 [2022-10-16 17:44:59,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:44:59,868 INFO L225 Difference]: With dead ends: 1847 [2022-10-16 17:44:59,868 INFO L226 Difference]: Without dead ends: 959 [2022-10-16 17:44:59,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2306 GetRequests, 2251 SyntacticMatches, 11 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=321, Invalid=1749, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 17:44:59,874 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 358 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:44:59,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 403 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 17:44:59,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-10-16 17:44:59,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 937. [2022-10-16 17:44:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 751 states have (on average 1.0199733688415447) internal successors, (766), 743 states have internal predecessors, (766), 118 states have call successors, (118), 76 states have call predecessors, (118), 66 states have return successors, (176), 117 states have call predecessors, (176), 117 states have call successors, (176) [2022-10-16 17:44:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1060 transitions. [2022-10-16 17:44:59,940 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1060 transitions. Word has length 1031 [2022-10-16 17:44:59,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:44:59,941 INFO L495 AbstractCegarLoop]: Abstraction has 937 states and 1060 transitions. [2022-10-16 17:44:59,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 5.393939393939394) internal successors, (178), 32 states have internal predecessors, (178), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (38), 18 states have call predecessors, (38), 24 states have call successors, (38) [2022-10-16 17:44:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1060 transitions. [2022-10-16 17:44:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2022-10-16 17:44:59,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:44:59,956 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 54, 54, 45, 44, 28, 28, 28, 28, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 26, 17, 17, 11, 10, 1, 1, 1, 1] [2022-10-16 17:44:59,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-10-16 17:45:00,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:45:00,170 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:45:00,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:45:00,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1920191915, now seen corresponding path program 9 times [2022-10-16 17:45:00,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:45:00,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943003836] [2022-10-16 17:45:00,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:45:00,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:45:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:45:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:45:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:45:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:45:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:45:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:45:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:45:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 17:45:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:45:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:45:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:45:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:45:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2022-10-16 17:45:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:45:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:45:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:45:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:45:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:45:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:45:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:45:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:45:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:45:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:45:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:45:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 20675 backedges. 3416 proven. 3817 refuted. 0 times theorem prover too weak. 13442 trivial. 0 not checked. [2022-10-16 17:45:14,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:45:14,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943003836] [2022-10-16 17:45:14,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943003836] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:45:14,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619088311] [2022-10-16 17:45:14,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 17:45:14,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:45:14,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:45:14,836 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:45:14,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-10-16 17:45:15,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 38 check-sat command(s) [2022-10-16 17:45:15,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:45:15,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 217 conjunts are in the unsatisfiable core [2022-10-16 17:45:15,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:45:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20675 backedges. 3416 proven. 3817 refuted. 0 times theorem prover too weak. 13442 trivial. 0 not checked. [2022-10-16 17:45:16,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:46:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 20675 backedges. 3991 proven. 3572 refuted. 0 times theorem prover too weak. 13112 trivial. 0 not checked. [2022-10-16 17:46:02,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619088311] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:46:02,521 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:46:02,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 55] total 80 [2022-10-16 17:46:02,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969657446] [2022-10-16 17:46:02,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:46:02,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-10-16 17:46:02,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:46:02,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-10-16 17:46:02,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=5736, Unknown=0, NotChecked=0, Total=6480 [2022-10-16 17:46:02,526 INFO L87 Difference]: Start difference. First operand 937 states and 1060 transitions. Second operand has 81 states, 80 states have (on average 2.5625) internal successors, (205), 81 states have internal predecessors, (205), 21 states have call successors, (23), 1 states have call predecessors, (23), 23 states have return successors, (56), 56 states have call predecessors, (56), 21 states have call successors, (56) [2022-10-16 17:46:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:46:03,057 INFO L93 Difference]: Finished difference Result 1018 states and 1151 transitions. [2022-10-16 17:46:03,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-10-16 17:46:03,058 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 80 states have (on average 2.5625) internal successors, (205), 81 states have internal predecessors, (205), 21 states have call successors, (23), 1 states have call predecessors, (23), 23 states have return successors, (56), 56 states have call predecessors, (56), 21 states have call successors, (56) Word has length 1070 [2022-10-16 17:46:03,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:46:03,065 INFO L225 Difference]: With dead ends: 1018 [2022-10-16 17:46:03,065 INFO L226 Difference]: Without dead ends: 934 [2022-10-16 17:46:03,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2579 GetRequests, 2300 SyntacticMatches, 192 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16818 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=904, Invalid=6928, Unknown=0, NotChecked=0, Total=7832 [2022-10-16 17:46:03,068 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 80 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:46:03,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 907 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 17:46:03,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2022-10-16 17:46:03,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 859. [2022-10-16 17:46:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 688 states have (on average 1.0188953488372092) internal successors, (701), 682 states have internal predecessors, (701), 109 states have call successors, (109), 70 states have call predecessors, (109), 61 states have return successors, (149), 106 states have call predecessors, (149), 108 states have call successors, (149) [2022-10-16 17:46:03,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 959 transitions. [2022-10-16 17:46:03,132 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 959 transitions. Word has length 1070 [2022-10-16 17:46:03,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:46:03,134 INFO L495 AbstractCegarLoop]: Abstraction has 859 states and 959 transitions. [2022-10-16 17:46:03,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 80 states have (on average 2.5625) internal successors, (205), 81 states have internal predecessors, (205), 21 states have call successors, (23), 1 states have call predecessors, (23), 23 states have return successors, (56), 56 states have call predecessors, (56), 21 states have call successors, (56) [2022-10-16 17:46:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 959 transitions. [2022-10-16 17:46:03,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1536 [2022-10-16 17:46:03,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:46:03,159 INFO L195 NwaCegarLoop]: trace histogram [79, 78, 78, 78, 64, 63, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 38, 38, 25, 24, 15, 15, 1, 1, 1, 1] [2022-10-16 17:46:03,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-10-16 17:46:03,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:46:03,372 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:46:03,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:46:03,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1410255590, now seen corresponding path program 9 times [2022-10-16 17:46:03,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:46:03,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369753867] [2022-10-16 17:46:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:46:03,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:46:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 17:46:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:46:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 17:46:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-10-16 17:46:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:46:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1076 [2022-10-16 17:46:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:46:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 42931 backedges. 6871 proven. 1245 refuted. 0 times theorem prover too weak. 34815 trivial. 0 not checked. [2022-10-16 17:46:07,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:46:07,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369753867] [2022-10-16 17:46:07,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369753867] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:46:07,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879812722] [2022-10-16 17:46:07,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 17:46:07,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:46:07,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:46:07,396 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:46:07,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-10-16 17:46:08,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-10-16 17:46:08,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:46:08,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 17:46:08,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:46:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 42931 backedges. 3845 proven. 106 refuted. 0 times theorem prover too weak. 38980 trivial. 0 not checked. [2022-10-16 17:46:08,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:46:10,973 INFO L134 CoverageAnalysis]: Checked inductivity of 42931 backedges. 3845 proven. 113 refuted. 0 times theorem prover too weak. 38973 trivial. 0 not checked. [2022-10-16 17:46:10,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879812722] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:46:10,973 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:46:10,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 13, 15] total 39 [2022-10-16 17:46:10,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051392750] [2022-10-16 17:46:10,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:46:10,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-10-16 17:46:10,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:46:10,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-10-16 17:46:10,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1290, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 17:46:10,977 INFO L87 Difference]: Start difference. First operand 859 states and 959 transitions. Second operand has 39 states, 38 states have (on average 5.131578947368421) internal successors, (195), 38 states have internal predecessors, (195), 23 states have call successors, (34), 2 states have call predecessors, (34), 14 states have return successors, (42), 26 states have call predecessors, (42), 22 states have call successors, (42) [2022-10-16 17:46:12,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:46:12,238 INFO L93 Difference]: Finished difference Result 1640 states and 1882 transitions. [2022-10-16 17:46:12,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-16 17:46:12,239 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 5.131578947368421) internal successors, (195), 38 states have internal predecessors, (195), 23 states have call successors, (34), 2 states have call predecessors, (34), 14 states have return successors, (42), 26 states have call predecessors, (42), 22 states have call successors, (42) Word has length 1535 [2022-10-16 17:46:12,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:46:12,245 INFO L225 Difference]: With dead ends: 1640 [2022-10-16 17:46:12,245 INFO L226 Difference]: Without dead ends: 857 [2022-10-16 17:46:12,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3440 GetRequests, 3368 SyntacticMatches, 7 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1373 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=603, Invalid=3819, Unknown=0, NotChecked=0, Total=4422 [2022-10-16 17:46:12,247 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 527 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:46:12,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 402 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 17:46:12,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2022-10-16 17:46:12,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 805. [2022-10-16 17:46:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 646 states have (on average 1.0139318885448916) internal successors, (655), 641 states have internal predecessors, (655), 103 states have call successors, (103), 69 states have call predecessors, (103), 55 states have return successors, (122), 94 states have call predecessors, (122), 102 states have call successors, (122) [2022-10-16 17:46:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 880 transitions. [2022-10-16 17:46:12,303 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 880 transitions. Word has length 1535 [2022-10-16 17:46:12,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:46:12,304 INFO L495 AbstractCegarLoop]: Abstraction has 805 states and 880 transitions. [2022-10-16 17:46:12,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 5.131578947368421) internal successors, (195), 38 states have internal predecessors, (195), 23 states have call successors, (34), 2 states have call predecessors, (34), 14 states have return successors, (42), 26 states have call predecessors, (42), 22 states have call successors, (42) [2022-10-16 17:46:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 880 transitions. [2022-10-16 17:46:12,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1634 [2022-10-16 17:46:12,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:46:12,331 INFO L195 NwaCegarLoop]: trace histogram [84, 84, 83, 82, 68, 67, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 26, 26, 17, 15, 1, 1, 1, 1] [2022-10-16 17:46:12,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-10-16 17:46:12,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-10-16 17:46:12,544 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:46:12,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:46:12,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1876138489, now seen corresponding path program 10 times [2022-10-16 17:46:12,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:46:12,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839832875] [2022-10-16 17:46:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:46:12,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:46:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 17:46:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:46:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 17:46:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-10-16 17:46:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:46:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1076 [2022-10-16 17:46:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 17:46:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:46:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 17:46:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:46:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 17:46:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 17:46:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 17:46:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 17:46:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:46:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 48650 backedges. 6027 proven. 1380 refuted. 0 times theorem prover too weak. 41243 trivial. 0 not checked. [2022-10-16 17:46:16,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:46:16,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839832875] [2022-10-16 17:46:16,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839832875] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:46:16,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9200855] [2022-10-16 17:46:16,029 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 17:46:16,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:46:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:46:16,035 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:46:16,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-10-16 17:46:16,939 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 17:46:16,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:46:16,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 17:46:16,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:46:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 48650 backedges. 3728 proven. 656 refuted. 0 times theorem prover too weak. 44266 trivial. 0 not checked. [2022-10-16 17:46:17,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:46:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 48650 backedges. 3736 proven. 672 refuted. 0 times theorem prover too weak. 44242 trivial. 0 not checked. [2022-10-16 17:46:19,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9200855] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:46:19,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:46:19,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13, 17] total 36 [2022-10-16 17:46:19,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689827265] [2022-10-16 17:46:19,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:46:19,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 17:46:19,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:46:19,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 17:46:19,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1077, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 17:46:19,915 INFO L87 Difference]: Start difference. First operand 805 states and 880 transitions. Second operand has 36 states, 35 states have (on average 5.3428571428571425) internal successors, (187), 35 states have internal predecessors, (187), 25 states have call successors, (33), 2 states have call predecessors, (33), 13 states have return successors, (43), 25 states have call predecessors, (43), 24 states have call successors, (43) [2022-10-16 17:46:21,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:46:21,054 INFO L93 Difference]: Finished difference Result 852 states and 931 transitions. [2022-10-16 17:46:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 17:46:21,055 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.3428571428571425) internal successors, (187), 35 states have internal predecessors, (187), 25 states have call successors, (33), 2 states have call predecessors, (33), 13 states have return successors, (43), 25 states have call predecessors, (43), 24 states have call successors, (43) Word has length 1633 [2022-10-16 17:46:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:46:21,059 INFO L225 Difference]: With dead ends: 852 [2022-10-16 17:46:21,059 INFO L226 Difference]: Without dead ends: 783 [2022-10-16 17:46:21,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3639 GetRequests, 3580 SyntacticMatches, 9 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=383, Invalid=2269, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 17:46:21,060 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 249 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 17:46:21,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 793 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 17:46:21,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-10-16 17:46:21,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 757. [2022-10-16 17:46:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 607 states have (on average 1.0115321252059308) internal successors, (614), 604 states have internal predecessors, (614), 98 states have call successors, (98), 65 states have call predecessors, (98), 51 states have return successors, (113), 87 states have call predecessors, (113), 97 states have call successors, (113) [2022-10-16 17:46:21,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 825 transitions. [2022-10-16 17:46:21,110 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 825 transitions. Word has length 1633 [2022-10-16 17:46:21,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:46:21,112 INFO L495 AbstractCegarLoop]: Abstraction has 757 states and 825 transitions. [2022-10-16 17:46:21,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.3428571428571425) internal successors, (187), 35 states have internal predecessors, (187), 25 states have call successors, (33), 2 states have call predecessors, (33), 13 states have return successors, (43), 25 states have call predecessors, (43), 24 states have call successors, (43) [2022-10-16 17:46:21,112 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 825 transitions. [2022-10-16 17:46:21,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1732 [2022-10-16 17:46:21,139 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:46:21,140 INFO L195 NwaCegarLoop]: trace histogram [89, 88, 88, 88, 72, 71, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 43, 43, 28, 27, 17, 17, 1, 1, 1, 1] [2022-10-16 17:46:21,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-10-16 17:46:21,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:46:21,353 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibo2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 17:46:21,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:46:21,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1680976764, now seen corresponding path program 11 times [2022-10-16 17:46:21,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:46:21,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600947024] [2022-10-16 17:46:21,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:46:21,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:46:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat