./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6546395432109233bf3e1991428a566548dd822bb23ca198622322bf4db5a8a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:10:54,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:10:54,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:10:54,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:10:54,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:10:54,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:10:54,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:10:54,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:10:54,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:10:54,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:10:54,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:10:54,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:10:54,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:10:54,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:10:54,801 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:10:54,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:10:54,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:10:54,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:10:54,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:10:54,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:10:54,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:10:54,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:10:54,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:10:54,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:10:54,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:10:54,807 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:10:54,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:10:54,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:10:54,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:10:54,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:10:54,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:10:54,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:10:54,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:10:54,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:10:54,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:10:54,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:10:54,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:10:54,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:10:54,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:10:54,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:10:54,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:10:54,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:10:54,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:10:54,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:10:54,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6546395432109233bf3e1991428a566548dd822bb23ca198622322bf4db5a8a [2024-10-14 21:10:55,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:10:55,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:10:55,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:10:55,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:10:55,070 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:10:55,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2024-10-14 21:10:56,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:10:56,611 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:10:56,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2024-10-14 21:10:56,621 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61276a20/f5dce06929d14321852dd2e1c43b958d/FLAG063e2f197 [2024-10-14 21:10:56,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61276a20/f5dce06929d14321852dd2e1c43b958d [2024-10-14 21:10:56,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:10:56,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:10:56,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:10:56,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:10:56,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:10:56,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e44ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56, skipping insertion in model container [2024-10-14 21:10:56,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:10:56,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:10:56,851 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:10:56,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:10:56,882 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:10:56,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56 WrapperNode [2024-10-14 21:10:56,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:10:56,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:10:56,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:10:56,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:10:56,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,912 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-10-14 21:10:56,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:10:56,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:10:56,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:10:56,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:10:56,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,938 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 21:10:56,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:10:56,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:10:56,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:10:56,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:10:56,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (1/1) ... [2024-10-14 21:10:56,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:10:56,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:56,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 21:10:57,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 21:10:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:10:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:10:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:10:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:10:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2024-10-14 21:10:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2024-10-14 21:10:57,107 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:10:57,109 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:10:57,262 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 21:10:57,263 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:10:57,300 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:10:57,300 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 21:10:57,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:10:57 BoogieIcfgContainer [2024-10-14 21:10:57,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:10:57,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:10:57,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:10:57,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:10:57,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:10:56" (1/3) ... [2024-10-14 21:10:57,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7689cedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:10:57, skipping insertion in model container [2024-10-14 21:10:57,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:10:56" (2/3) ... [2024-10-14 21:10:57,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7689cedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:10:57, skipping insertion in model container [2024-10-14 21:10:57,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:10:57" (3/3) ... [2024-10-14 21:10:57,311 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_10-2.c [2024-10-14 21:10:57,326 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:10:57,326 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 21:10:57,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:10:57,404 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3aaf363b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:10:57,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 21:10:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.5625) internal successors, (25), 22 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:10:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 21:10:57,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:57,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 21:10:57,419 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:57,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:57,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1905229472, now seen corresponding path program 1 times [2024-10-14 21:10:57,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:57,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818494796] [2024-10-14 21:10:57,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:57,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:57,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:57,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818494796] [2024-10-14 21:10:57,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818494796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:57,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:10:57,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:10:57,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516384253] [2024-10-14 21:10:57,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:57,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:10:57,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:57,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:10:57,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:10:57,637 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.5625) internal successors, (25), 22 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:57,689 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-10-14 21:10:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:10:57,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 21:10:57,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:57,699 INFO L225 Difference]: With dead ends: 31 [2024-10-14 21:10:57,699 INFO L226 Difference]: Without dead ends: 23 [2024-10-14 21:10:57,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:10:57,705 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:57,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 30 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:57,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-14 21:10:57,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-10-14 21:10:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:10:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-10-14 21:10:57,738 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 6 [2024-10-14 21:10:57,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:57,739 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-10-14 21:10:57,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-10-14 21:10:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 21:10:57,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:57,740 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:57,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:10:57,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:57,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:57,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1067428573, now seen corresponding path program 1 times [2024-10-14 21:10:57,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:57,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848544302] [2024-10-14 21:10:57,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:57,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:57,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:57,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848544302] [2024-10-14 21:10:57,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848544302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:57,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:10:57,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:10:57,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917198247] [2024-10-14 21:10:57,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:57,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:10:57,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:57,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:10:57,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:10:57,861 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:57,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:57,937 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2024-10-14 21:10:57,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:10:57,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-14 21:10:57,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:57,939 INFO L225 Difference]: With dead ends: 23 [2024-10-14 21:10:57,939 INFO L226 Difference]: Without dead ends: 21 [2024-10-14 21:10:57,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:10:57,941 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:57,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 22 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:10:57,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-14 21:10:57,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-10-14 21:10:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 15 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:10:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-10-14 21:10:57,948 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2024-10-14 21:10:57,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:57,948 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-14 21:10:57,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-10-14 21:10:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 21:10:57,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:57,953 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:57,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 21:10:57,953 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:57,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:57,954 INFO L85 PathProgramCache]: Analyzing trace with hash 803661136, now seen corresponding path program 1 times [2024-10-14 21:10:57,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:57,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107910915] [2024-10-14 21:10:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:57,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 21:10:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 21:10:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 21:10:58,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:58,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107910915] [2024-10-14 21:10:58,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107910915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:58,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:10:58,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 21:10:58,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033833073] [2024-10-14 21:10:58,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:58,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:10:58,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:58,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:10:58,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:10:58,218 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:10:58,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:58,265 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2024-10-14 21:10:58,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:10:58,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2024-10-14 21:10:58,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:58,267 INFO L225 Difference]: With dead ends: 33 [2024-10-14 21:10:58,267 INFO L226 Difference]: Without dead ends: 31 [2024-10-14 21:10:58,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:10:58,268 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:58,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 46 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:58,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-10-14 21:10:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2024-10-14 21:10:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 21:10:58,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-10-14 21:10:58,285 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 22 [2024-10-14 21:10:58,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:58,286 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-10-14 21:10:58,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:10:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-10-14 21:10:58,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 21:10:58,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:58,288 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:58,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:10:58,288 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:58,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:58,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1946561503, now seen corresponding path program 1 times [2024-10-14 21:10:58,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:58,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850422615] [2024-10-14 21:10:58,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:58,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:10:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 21:10:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 21:10:58,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:58,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850422615] [2024-10-14 21:10:58,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850422615] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:58,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704171264] [2024-10-14 21:10:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:58,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:58,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:58,472 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:58,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:10:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:58,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:10:58,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:58,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 21:10:58,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704171264] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:58,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:58,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-10-14 21:10:58,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269278275] [2024-10-14 21:10:58,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:58,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 21:10:58,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:58,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 21:10:58,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-10-14 21:10:58,873 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 19 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 15 states have internal predecessors, (53), 9 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 21:10:59,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:59,422 INFO L93 Difference]: Finished difference Result 177 states and 257 transitions. [2024-10-14 21:10:59,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 21:10:59,424 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 15 states have internal predecessors, (53), 9 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) Word has length 29 [2024-10-14 21:10:59,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:59,427 INFO L225 Difference]: With dead ends: 177 [2024-10-14 21:10:59,427 INFO L226 Difference]: Without dead ends: 144 [2024-10-14 21:10:59,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2024-10-14 21:10:59,434 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 154 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:59,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 301 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:10:59,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-10-14 21:10:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 128. [2024-10-14 21:10:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 99 states have (on average 1.1111111111111112) internal successors, (110), 101 states have internal predecessors, (110), 17 states have call successors, (17), 5 states have call predecessors, (17), 10 states have return successors, (46), 21 states have call predecessors, (46), 16 states have call successors, (46) [2024-10-14 21:10:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 173 transitions. [2024-10-14 21:10:59,471 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 173 transitions. Word has length 29 [2024-10-14 21:10:59,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:59,471 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 173 transitions. [2024-10-14 21:10:59,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 15 states have internal predecessors, (53), 9 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 21:10:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 173 transitions. [2024-10-14 21:10:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-14 21:10:59,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:59,473 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:10:59,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:10:59,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:59,679 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:10:59,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:59,679 INFO L85 PathProgramCache]: Analyzing trace with hash -239885825, now seen corresponding path program 2 times [2024-10-14 21:10:59,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:59,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337697367] [2024-10-14 21:10:59,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:59,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 21:10:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 21:10:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-14 21:10:59,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:59,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337697367] [2024-10-14 21:10:59,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337697367] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:59,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907434903] [2024-10-14 21:10:59,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:10:59,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:59,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:59,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:59,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:10:59,853 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:10:59,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:59,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 21:10:59,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-14 21:10:59,903 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:10:59,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907434903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:10:59,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:10:59,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-14 21:10:59,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119295272] [2024-10-14 21:10:59,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:10:59,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:10:59,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:59,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:10:59,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:10:59,909 INFO L87 Difference]: Start difference. First operand 128 states and 173 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:10:59,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:59,956 INFO L93 Difference]: Finished difference Result 151 states and 209 transitions. [2024-10-14 21:10:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:10:59,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-10-14 21:10:59,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:59,959 INFO L225 Difference]: With dead ends: 151 [2024-10-14 21:10:59,959 INFO L226 Difference]: Without dead ends: 150 [2024-10-14 21:10:59,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:10:59,965 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:59,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 42 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:10:59,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-14 21:10:59,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 136. [2024-10-14 21:10:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 106 states have (on average 1.1037735849056605) internal successors, (117), 106 states have internal predecessors, (117), 17 states have call successors, (17), 5 states have call predecessors, (17), 11 states have return successors, (55), 24 states have call predecessors, (55), 16 states have call successors, (55) [2024-10-14 21:10:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 189 transitions. [2024-10-14 21:10:59,990 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 189 transitions. Word has length 41 [2024-10-14 21:10:59,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:59,990 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 189 transitions. [2024-10-14 21:10:59,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:10:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2024-10-14 21:10:59,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 21:10:59,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:59,992 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:11:00,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 21:11:00,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:00,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting fiboErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:00,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:00,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1153474090, now seen corresponding path program 1 times [2024-10-14 21:11:00,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:00,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171948108] [2024-10-14 21:11:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:00,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 21:11:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:00,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 21:11:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-14 21:11:00,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:00,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171948108] [2024-10-14 21:11:00,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171948108] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:00,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390715425] [2024-10-14 21:11:00,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:00,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:00,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:00,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:00,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:11:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:00,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 21:11:00,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:11:00,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 21:11:00,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390715425] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:00,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:00,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 27 [2024-10-14 21:11:00,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971431199] [2024-10-14 21:11:00,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:00,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-14 21:11:00,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:00,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-14 21:11:00,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2024-10-14 21:11:00,811 INFO L87 Difference]: Start difference. First operand 136 states and 189 transitions. Second operand has 27 states, 25 states have (on average 3.04) internal successors, (76), 19 states have internal predecessors, (76), 13 states have call successors, (15), 10 states have call predecessors, (15), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 21:11:01,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:01,908 INFO L93 Difference]: Finished difference Result 451 states and 714 transitions. [2024-10-14 21:11:01,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-14 21:11:01,909 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.04) internal successors, (76), 19 states have internal predecessors, (76), 13 states have call successors, (15), 10 states have call predecessors, (15), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) Word has length 42 [2024-10-14 21:11:01,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:01,917 INFO L225 Difference]: With dead ends: 451 [2024-10-14 21:11:01,917 INFO L226 Difference]: Without dead ends: 329 [2024-10-14 21:11:01,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=321, Invalid=1571, Unknown=0, NotChecked=0, Total=1892 [2024-10-14 21:11:01,925 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 248 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:01,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 706 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 21:11:01,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-10-14 21:11:01,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 294. [2024-10-14 21:11:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 231 states have (on average 1.0995670995670996) internal successors, (254), 231 states have internal predecessors, (254), 37 states have call successors, (37), 11 states have call predecessors, (37), 24 states have return successors, (109), 51 states have call predecessors, (109), 36 states have call successors, (109) [2024-10-14 21:11:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 400 transitions. [2024-10-14 21:11:01,984 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 400 transitions. Word has length 42 [2024-10-14 21:11:01,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:01,984 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 400 transitions. [2024-10-14 21:11:01,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.04) internal successors, (76), 19 states have internal predecessors, (76), 13 states have call successors, (15), 10 states have call predecessors, (15), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-14 21:11:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 400 transitions. [2024-10-14 21:11:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-14 21:11:01,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:01,988 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:11:02,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 21:11:02,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:02,189 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fiboErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:02,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:02,190 INFO L85 PathProgramCache]: Analyzing trace with hash 948409523, now seen corresponding path program 1 times [2024-10-14 21:11:02,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:02,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450511362] [2024-10-14 21:11:02,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:02,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 21:11:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 21:11:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-10-14 21:11:02,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:02,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450511362] [2024-10-14 21:11:02,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450511362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:11:02,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:11:02,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 21:11:02,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709592633] [2024-10-14 21:11:02,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:11:02,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:11:02,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:02,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:11:02,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:11:02,338 INFO L87 Difference]: Start difference. First operand 294 states and 400 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:11:02,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:02,387 INFO L93 Difference]: Finished difference Result 308 states and 422 transitions. [2024-10-14 21:11:02,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:11:02,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2024-10-14 21:11:02,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:02,392 INFO L225 Difference]: With dead ends: 308 [2024-10-14 21:11:02,392 INFO L226 Difference]: Without dead ends: 307 [2024-10-14 21:11:02,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:11:02,395 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:02,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 77 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:11:02,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-14 21:11:02,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2024-10-14 21:11:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 237 states have (on average 1.0970464135021096) internal successors, (260), 236 states have internal predecessors, (260), 38 states have call successors, (38), 11 states have call predecessors, (38), 24 states have return successors, (115), 53 states have call predecessors, (115), 37 states have call successors, (115) [2024-10-14 21:11:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 413 transitions. [2024-10-14 21:11:02,433 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 413 transitions. Word has length 73 [2024-10-14 21:11:02,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:02,435 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 413 transitions. [2024-10-14 21:11:02,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:11:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 413 transitions. [2024-10-14 21:11:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 21:11:02,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:02,441 INFO L215 NwaCegarLoop]: trace histogram [13, 11, 10, 10, 10, 10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-14 21:11:02,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 21:11:02,441 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:02,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:02,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1587495797, now seen corresponding path program 1 times [2024-10-14 21:11:02,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:02,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417530793] [2024-10-14 21:11:02,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:02,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 21:11:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 21:11:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-10-14 21:11:02,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:02,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417530793] [2024-10-14 21:11:02,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417530793] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:02,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467287689] [2024-10-14 21:11:02,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:02,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:02,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:02,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:02,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:11:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:02,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 21:11:02,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 111 proven. 234 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-14 21:11:02,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 2 proven. 346 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 21:11:03,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467287689] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:03,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:03,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 23, 23] total 27 [2024-10-14 21:11:03,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732309020] [2024-10-14 21:11:03,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:03,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-14 21:11:03,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:03,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-14 21:11:03,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2024-10-14 21:11:03,331 INFO L87 Difference]: Start difference. First operand 301 states and 413 transitions. Second operand has 27 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 18 states have internal predecessors, (88), 13 states have call successors, (17), 11 states have call predecessors, (17), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 21:11:04,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:04,029 INFO L93 Difference]: Finished difference Result 652 states and 942 transitions. [2024-10-14 21:11:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-14 21:11:04,030 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 18 states have internal predecessors, (88), 13 states have call successors, (17), 11 states have call predecessors, (17), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 90 [2024-10-14 21:11:04,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:04,032 INFO L225 Difference]: With dead ends: 652 [2024-10-14 21:11:04,033 INFO L226 Difference]: Without dead ends: 365 [2024-10-14 21:11:04,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 154 SyntacticMatches, 20 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=314, Invalid=1168, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 21:11:04,039 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 297 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:04,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 544 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:11:04,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-10-14 21:11:04,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 331. [2024-10-14 21:11:04,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 261 states have (on average 1.0957854406130267) internal successors, (286), 259 states have internal predecessors, (286), 42 states have call successors, (42), 12 states have call predecessors, (42), 26 states have return successors, (130), 59 states have call predecessors, (130), 41 states have call successors, (130) [2024-10-14 21:11:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 458 transitions. [2024-10-14 21:11:04,073 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 458 transitions. Word has length 90 [2024-10-14 21:11:04,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:04,073 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 458 transitions. [2024-10-14 21:11:04,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 18 states have internal predecessors, (88), 13 states have call successors, (17), 11 states have call predecessors, (17), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 21:11:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 458 transitions. [2024-10-14 21:11:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-14 21:11:04,075 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:04,076 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 10, 10, 10, 10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-14 21:11:04,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 21:11:04,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:04,281 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:04,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:04,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1754244090, now seen corresponding path program 2 times [2024-10-14 21:11:04,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:04,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737813554] [2024-10-14 21:11:04,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:04,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:04,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 21:11:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 21:11:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:04,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:04,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:11:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-10-14 21:11:04,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:04,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737813554] [2024-10-14 21:11:04,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737813554] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:04,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905403021] [2024-10-14 21:11:04,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:11:04,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:04,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:04,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:04,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:11:04,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:11:04,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:11:04,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 21:11:04,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-10-14 21:11:04,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-10-14 21:11:04,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905403021] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:04,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:04,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-14 21:11:04,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528920373] [2024-10-14 21:11:04,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:04,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 21:11:04,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:04,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 21:11:04,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:11:04,539 INFO L87 Difference]: Start difference. First operand 331 states and 458 transitions. Second operand has 11 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 21:11:04,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:04,612 INFO L93 Difference]: Finished difference Result 352 states and 483 transitions. [2024-10-14 21:11:04,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 21:11:04,613 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 91 [2024-10-14 21:11:04,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:04,616 INFO L225 Difference]: With dead ends: 352 [2024-10-14 21:11:04,616 INFO L226 Difference]: Without dead ends: 351 [2024-10-14 21:11:04,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:11:04,617 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:04,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 98 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:11:04,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-14 21:11:04,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 331. [2024-10-14 21:11:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 261 states have (on average 1.0957854406130267) internal successors, (286), 259 states have internal predecessors, (286), 42 states have call successors, (42), 12 states have call predecessors, (42), 26 states have return successors, (130), 59 states have call predecessors, (130), 41 states have call successors, (130) [2024-10-14 21:11:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 458 transitions. [2024-10-14 21:11:04,644 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 458 transitions. Word has length 91 [2024-10-14 21:11:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:04,644 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 458 transitions. [2024-10-14 21:11:04,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 21:11:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 458 transitions. [2024-10-14 21:11:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 21:11:04,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:04,646 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 10, 10, 10, 10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 21:11:04,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 21:11:04,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:04,847 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting fiboErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:04,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:04,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1453008131, now seen corresponding path program 1 times [2024-10-14 21:11:04,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:04,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497724340] [2024-10-14 21:11:04,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:04,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:05,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 21:11:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:05,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 21:11:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:05,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:11:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 231 proven. 130 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 21:11:05,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:05,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497724340] [2024-10-14 21:11:05,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497724340] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:05,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961214500] [2024-10-14 21:11:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:05,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:05,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:05,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:05,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:11:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:05,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 21:11:05,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 227 proven. 133 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 21:11:05,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 227 proven. 133 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 21:11:05,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961214500] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:05,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:05,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 23] total 28 [2024-10-14 21:11:05,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372925891] [2024-10-14 21:11:05,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:05,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-14 21:11:05,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:05,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-14 21:11:05,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2024-10-14 21:11:05,853 INFO L87 Difference]: Start difference. First operand 331 states and 458 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, (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) [2024-10-14 21:11:06,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:06,715 INFO L93 Difference]: Finished difference Result 532 states and 737 transitions. [2024-10-14 21:11:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-14 21:11:06,716 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, (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 [2024-10-14 21:11:06,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:06,717 INFO L225 Difference]: With dead ends: 532 [2024-10-14 21:11:06,717 INFO L226 Difference]: Without dead ends: 203 [2024-10-14 21:11:06,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 177 SyntacticMatches, 20 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1007, Invalid=2899, Unknown=0, NotChecked=0, Total=3906 [2024-10-14 21:11:06,723 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 746 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:06,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 156 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:11:06,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-10-14 21:11:06,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 178. [2024-10-14 21:11:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 141 states have (on average 1.1347517730496455) internal successors, (160), 141 states have internal predecessors, (160), 23 states have call successors, (23), 14 states have call predecessors, (23), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 21:11:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 205 transitions. [2024-10-14 21:11:06,734 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 205 transitions. Word has length 92 [2024-10-14 21:11:06,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:06,734 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 205 transitions. [2024-10-14 21:11:06,735 INFO L472 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, (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) [2024-10-14 21:11:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 205 transitions. [2024-10-14 21:11:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 21:11:06,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:06,736 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 9, 9, 9, 9, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 21:11:06,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 21:11:06,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:06,940 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fiboErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:06,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:06,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1790678057, now seen corresponding path program 2 times [2024-10-14 21:11:06,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:06,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963557376] [2024-10-14 21:11:06,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:06,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-14 21:11:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 21:11:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-10-14 21:11:07,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:07,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963557376] [2024-10-14 21:11:07,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963557376] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:07,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483258820] [2024-10-14 21:11:07,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:11:07,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:07,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:07,107 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:07,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 21:11:07,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:11:07,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:11:07,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 21:11:07,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-10-14 21:11:07,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-10-14 21:11:07,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483258820] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:07,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:07,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-10-14 21:11:07,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907109060] [2024-10-14 21:11:07,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:07,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 21:11:07,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:07,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 21:11:07,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-10-14 21:11:07,388 INFO L87 Difference]: Start difference. First operand 178 states and 205 transitions. Second operand has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 21:11:07,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:07,457 INFO L93 Difference]: Finished difference Result 179 states and 205 transitions. [2024-10-14 21:11:07,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 21:11:07,457 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) Word has length 86 [2024-10-14 21:11:07,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:07,459 INFO L225 Difference]: With dead ends: 179 [2024-10-14 21:11:07,459 INFO L226 Difference]: Without dead ends: 178 [2024-10-14 21:11:07,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-10-14 21:11:07,459 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:07,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:11:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-14 21:11:07,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-10-14 21:11:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 141 states have (on average 1.1205673758865249) internal successors, (158), 141 states have internal predecessors, (158), 23 states have call successors, (23), 14 states have call predecessors, (23), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 21:11:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 203 transitions. [2024-10-14 21:11:07,473 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 203 transitions. Word has length 86 [2024-10-14 21:11:07,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:07,473 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 203 transitions. [2024-10-14 21:11:07,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 14 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 21:11:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 203 transitions. [2024-10-14 21:11:07,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-14 21:11:07,476 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:07,476 INFO L215 NwaCegarLoop]: trace histogram [15, 13, 10, 10, 10, 10, 8, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1] [2024-10-14 21:11:07,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 21:11:07,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:07,681 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:07,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:07,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1426265217, now seen corresponding path program 3 times [2024-10-14 21:11:07,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:07,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394767026] [2024-10-14 21:11:07,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:07,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:11:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 21:11:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:07,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 35 proven. 23 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-10-14 21:11:08,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:08,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394767026] [2024-10-14 21:11:08,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394767026] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:08,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808403069] [2024-10-14 21:11:08,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:11:08,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:08,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:08,016 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:08,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 21:11:08,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-14 21:11:08,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:11:08,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:11:08,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-10-14 21:11:08,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:08,303 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-10-14 21:11:08,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808403069] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:08,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:08,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 14 [2024-10-14 21:11:08,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783111034] [2024-10-14 21:11:08,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:08,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 21:11:08,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:08,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 21:11:08,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-14 21:11:08,305 INFO L87 Difference]: Start difference. First operand 178 states and 203 transitions. Second operand has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 21:11:08,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:08,383 INFO L93 Difference]: Finished difference Result 178 states and 203 transitions. [2024-10-14 21:11:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:11:08,384 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) Word has length 118 [2024-10-14 21:11:08,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:08,385 INFO L225 Difference]: With dead ends: 178 [2024-10-14 21:11:08,385 INFO L226 Difference]: Without dead ends: 177 [2024-10-14 21:11:08,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 249 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-14 21:11:08,386 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:08,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 146 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:11:08,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-10-14 21:11:08,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-10-14 21:11:08,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 141 states have (on average 1.0567375886524824) internal successors, (149), 140 states have internal predecessors, (149), 23 states have call successors, (23), 14 states have call predecessors, (23), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 21:11:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 194 transitions. [2024-10-14 21:11:08,399 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 194 transitions. Word has length 118 [2024-10-14 21:11:08,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:08,399 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 194 transitions. [2024-10-14 21:11:08,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 21:11:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 194 transitions. [2024-10-14 21:11:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 21:11:08,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:08,402 INFO L215 NwaCegarLoop]: trace histogram [20, 17, 14, 12, 12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 3, 1, 1, 1] [2024-10-14 21:11:08,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 21:11:08,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 21:11:08,607 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fiboErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:08,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:08,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1914996354, now seen corresponding path program 3 times [2024-10-14 21:11:08,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:08,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158860416] [2024-10-14 21:11:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:08,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 21:11:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 21:11:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:09,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 78 proven. 135 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2024-10-14 21:11:09,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:09,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158860416] [2024-10-14 21:11:09,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158860416] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:09,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745152823] [2024-10-14 21:11:09,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:11:09,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:09,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:09,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:09,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 21:11:09,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-14 21:11:09,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:11:09,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-14 21:11:09,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 78 proven. 135 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2024-10-14 21:11:09,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 144 proven. 128 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2024-10-14 21:11:10,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745152823] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:10,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:10,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 17] total 26 [2024-10-14 21:11:10,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865570185] [2024-10-14 21:11:10,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:10,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-14 21:11:10,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:10,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-14 21:11:10,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2024-10-14 21:11:10,838 INFO L87 Difference]: Start difference. First operand 177 states and 194 transitions. Second operand has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-14 21:11:10,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:10,916 INFO L93 Difference]: Finished difference Result 178 states and 194 transitions. [2024-10-14 21:11:10,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 21:11:10,917 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) Word has length 172 [2024-10-14 21:11:10,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:10,918 INFO L225 Difference]: With dead ends: 178 [2024-10-14 21:11:10,918 INFO L226 Difference]: Without dead ends: 177 [2024-10-14 21:11:10,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 358 SyntacticMatches, 16 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-10-14 21:11:10,919 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 4 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:10,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 100 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:11:10,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-10-14 21:11:10,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-10-14 21:11:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 141 states have (on average 1.0354609929078014) internal successors, (146), 140 states have internal predecessors, (146), 23 states have call successors, (23), 14 states have call predecessors, (23), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 21:11:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 191 transitions. [2024-10-14 21:11:10,929 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 191 transitions. Word has length 172 [2024-10-14 21:11:10,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:10,929 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 191 transitions. [2024-10-14 21:11:10,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 27 states have internal predecessors, (70), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-14 21:11:10,930 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 191 transitions. [2024-10-14 21:11:10,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2024-10-14 21:11:10,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:10,934 INFO L215 NwaCegarLoop]: trace histogram [44, 40, 36, 23, 23, 23, 23, 20, 20, 20, 20, 20, 20, 20, 20, 19, 13, 8, 1, 1, 1] [2024-10-14 21:11:10,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 21:11:11,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 21:11:11,139 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fiboErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:11,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:11,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1438043800, now seen corresponding path program 4 times [2024-10-14 21:11:11,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:11,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608630984] [2024-10-14 21:11:11,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:11,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 21:11:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:11:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:11:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 21:11:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:11:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:14,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6171 backedges. 820 proven. 1112 refuted. 0 times theorem prover too weak. 4239 trivial. 0 not checked. [2024-10-14 21:11:14,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:14,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608630984] [2024-10-14 21:11:14,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608630984] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:14,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218741785] [2024-10-14 21:11:14,001 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:11:14,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:14,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:14,003 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:14,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 21:11:14,158 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:11:14,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:11:14,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-10-14 21:11:14,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6171 backedges. 820 proven. 1112 refuted. 0 times theorem prover too weak. 4239 trivial. 0 not checked. [2024-10-14 21:11:14,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:11:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6171 backedges. 1149 proven. 1015 refuted. 0 times theorem prover too weak. 4007 trivial. 0 not checked. [2024-10-14 21:11:21,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218741785] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:11:21,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:11:21,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 29] total 40 [2024-10-14 21:11:21,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080296440] [2024-10-14 21:11:21,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:11:21,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-14 21:11:21,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:11:21,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-14 21:11:21,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-10-14 21:11:21,369 INFO L87 Difference]: Start difference. First operand 177 states and 191 transitions. Second operand has 41 states, 40 states have (on average 2.6) internal successors, (104), 41 states have internal predecessors, (104), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-14 21:11:21,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:11:21,459 INFO L93 Difference]: Finished difference Result 178 states and 191 transitions. [2024-10-14 21:11:21,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 21:11:21,460 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.6) internal successors, (104), 41 states have internal predecessors, (104), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) Word has length 415 [2024-10-14 21:11:21,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:11:21,462 INFO L225 Difference]: With dead ends: 178 [2024-10-14 21:11:21,462 INFO L226 Difference]: Without dead ends: 177 [2024-10-14 21:11:21,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 888 SyntacticMatches, 62 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2223 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=381, Invalid=1341, Unknown=0, NotChecked=0, Total=1722 [2024-10-14 21:11:21,463 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 6 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:11:21,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 109 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:11:21,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-10-14 21:11:21,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-10-14 21:11:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 141 states have (on average 1.0141843971631206) internal successors, (143), 140 states have internal predecessors, (143), 23 states have call successors, (23), 14 states have call predecessors, (23), 12 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 21:11:21,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 188 transitions. [2024-10-14 21:11:21,474 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 188 transitions. Word has length 415 [2024-10-14 21:11:21,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:11:21,474 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 188 transitions. [2024-10-14 21:11:21,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.6) internal successors, (104), 41 states have internal predecessors, (104), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-14 21:11:21,475 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 188 transitions. [2024-10-14 21:11:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2024-10-14 21:11:21,500 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:11:21,500 INFO L215 NwaCegarLoop]: trace histogram [110, 108, 89, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 54, 53, 34, 21, 1, 1, 1] [2024-10-14 21:11:21,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 21:11:21,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 21:11:21,701 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fiboErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:11:21,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:11:21,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1534660571, now seen corresponding path program 5 times [2024-10-14 21:11:21,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:11:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286348051] [2024-10-14 21:11:21,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:11:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:11:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:29,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 21:11:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:31,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:11:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:11:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:11:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:11:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-14 21:11:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:11:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:11:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2024-10-14 21:11:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:11:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:11:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 21:11:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 21:11:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 21:11:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 21:11:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:11:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 21:11:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:11:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 41934 backedges. 6686 proven. 7855 refuted. 0 times theorem prover too weak. 27393 trivial. 0 not checked. [2024-10-14 21:11:34,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:11:34,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286348051] [2024-10-14 21:11:34,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286348051] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:11:34,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201993480] [2024-10-14 21:11:34,714 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 21:11:34,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:11:34,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:11:34,717 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:11:34,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 21:11:35,235 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 76 check-sat command(s) [2024-10-14 21:11:35,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:11:35,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 217 conjuncts are in the unsatisfiable core [2024-10-14 21:11:35,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:11:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 41934 backedges. 6686 proven. 7855 refuted. 0 times theorem prover too weak. 27393 trivial. 0 not checked. [2024-10-14 21:11:36,154 INFO L311 TraceCheckSpWp]: Computing backward predicates...