./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/fibo_10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/recursive-simple/fibo_10-1.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 acde98dd01af02b5a508b32116f1b2c3612f1f84e6ba2fe02fc76c333a1d32d3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:56:50,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:56:50,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:56:50,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:56:50,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:56:50,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:56:50,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:56:50,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:56:50,731 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:56:50,732 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:56:50,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:56:50,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:56:50,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:56:50,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:56:50,735 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:56:50,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:56:50,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:56:50,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:56:50,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:56:50,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:56:50,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:56:50,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:56:50,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:56:50,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:56:50,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:56:50,739 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:56:50,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:56:50,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:56:50,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:56:50,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:56:50,740 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:56:50,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:56:50,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:56:50,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:56:50,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:56:50,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:56:50,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:56:50,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:56:50,743 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:56:50,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:56:50,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:56:50,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:56:50,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:56:50,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:56:50,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acde98dd01af02b5a508b32116f1b2c3612f1f84e6ba2fe02fc76c333a1d32d3 [2024-11-17 04:56:50,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:56:51,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:56:51,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:56:51,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:56:51,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:56:51,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_10-1.c [2024-11-17 04:56:52,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:56:52,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:56:52,581 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-1.c [2024-11-17 04:56:52,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52605befc/ab9cf36270784275983b62131445de63/FLAG26c72f530 [2024-11-17 04:56:52,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52605befc/ab9cf36270784275983b62131445de63 [2024-11-17 04:56:52,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:56:52,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:56:52,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:56:52,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:56:52,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:56:52,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:56:52" (1/1) ... [2024-11-17 04:56:52,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad5c0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:52, skipping insertion in model container [2024-11-17 04:56:52,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:56:52" (1/1) ... [2024-11-17 04:56:53,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:56:53,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:56:53,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:56:53,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:56:53,274 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:56:53,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53 WrapperNode [2024-11-17 04:56:53,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:56:53,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:56:53,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:56:53,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:56:53,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,299 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-17 04:56:53,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:56:53,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:56:53,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:56:53,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:56:53,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,310 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,319 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]. [2024-11-17 04:56:53,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,322 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:56:53,326 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:56:53,326 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:56:53,327 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:56:53,327 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (1/1) ... [2024-11-17 04:56:53,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:56:53,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:56:53,358 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) [2024-11-17 04:56:53,365 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 [2024-11-17 04:56:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:56:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:56:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:56:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:56:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2024-11-17 04:56:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2024-11-17 04:56:53,478 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:56:53,481 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:56:53,616 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L13: havoc #t~ret4;havoc #t~ret5; [2024-11-17 04:56:53,628 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-17 04:56:53,628 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:56:53,641 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:56:53,641 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:56:53,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:56:53 BoogieIcfgContainer [2024-11-17 04:56:53,642 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:56:53,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:56:53,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:56:53,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:56:53,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:56:52" (1/3) ... [2024-11-17 04:56:53,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61568f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:56:53, skipping insertion in model container [2024-11-17 04:56:53,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:56:53" (2/3) ... [2024-11-17 04:56:53,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61568f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:56:53, skipping insertion in model container [2024-11-17 04:56:53,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:56:53" (3/3) ... [2024-11-17 04:56:53,650 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_10-1.c [2024-11-17 04:56:53,665 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:56:53,666 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 04:56:53,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:56:53,727 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;@791db064, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:56:53,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 04:56:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 28 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:56:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:56:53,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:53,739 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:56:53,739 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fiboErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:53,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:53,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1975099998, now seen corresponding path program 1 times [2024-11-17 04:56:53,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:53,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258003605] [2024-11-17 04:56:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:56:53,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:53,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258003605] [2024-11-17 04:56:53,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258003605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:56:53,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:56:53,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:56:53,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094279198] [2024-11-17 04:56:53,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:56:53,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:56:53,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:53,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:56:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:56:53,941 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 28 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:56:53,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:53,980 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-17 04:56:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:56:53,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:56:53,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:53,988 INFO L225 Difference]: With dead ends: 39 [2024-11-17 04:56:53,988 INFO L226 Difference]: Without dead ends: 25 [2024-11-17 04:56:53,990 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 [2024-11-17 04:56:53,993 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:53,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 43 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:56:54,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-17 04:56:54,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-11-17 04:56:54,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-11-17 04:56:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-17 04:56:54,021 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 7 [2024-11-17 04:56:54,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:54,022 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-17 04:56:54,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:56:54,022 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-17 04:56:54,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:56:54,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:54,024 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:56:54,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:56:54,024 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:54,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:54,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1098557796, now seen corresponding path program 1 times [2024-11-17 04:56:54,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:54,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638881232] [2024-11-17 04:56:54,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:54,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:56:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638881232] [2024-11-17 04:56:54,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638881232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:56:54,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:56:54,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:56:54,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345026753] [2024-11-17 04:56:54,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:56:54,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:56:54,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:54,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:56:54,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:56:54,093 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:56:54,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:54,169 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-17 04:56:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:56:54,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 04:56:54,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:54,171 INFO L225 Difference]: With dead ends: 25 [2024-11-17 04:56:54,171 INFO L226 Difference]: Without dead ends: 23 [2024-11-17 04:56:54,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:56:54,173 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 28 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:54,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 31 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:56:54,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-17 04:56:54,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-11-17 04:56:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.2666666666666666) 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) [2024-11-17 04:56:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-17 04:56:54,182 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 8 [2024-11-17 04:56:54,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:54,183 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-17 04:56:54,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:56:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-17 04:56:54,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:56:54,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:54,184 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:56:54,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:56:54,185 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:54,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:54,186 INFO L85 PathProgramCache]: Analyzing trace with hash 480852129, now seen corresponding path program 1 times [2024-11-17 04:56:54,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:54,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900806620] [2024-11-17 04:56:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:54,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:56:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:54,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:56:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:56:54,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:54,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900806620] [2024-11-17 04:56:54,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900806620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:56:54,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:56:54,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:56:54,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607177952] [2024-11-17 04:56:54,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:56:54,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:56:54,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:54,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:56:54,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:56:54,505 INFO L87 Difference]: Start difference. First operand 21 states and 24 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) [2024-11-17 04:56:54,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:54,582 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2024-11-17 04:56:54,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:56:54,585 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 29 [2024-11-17 04:56:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:54,586 INFO L225 Difference]: With dead ends: 37 [2024-11-17 04:56:54,587 INFO L226 Difference]: Without dead ends: 35 [2024-11-17 04:56:54,587 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 [2024-11-17 04:56:54,588 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:54,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 69 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:56:54,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-17 04:56:54,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2024-11-17 04:56:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 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) [2024-11-17 04:56:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2024-11-17 04:56:54,600 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 29 [2024-11-17 04:56:54,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:54,601 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2024-11-17 04:56:54,601 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) [2024-11-17 04:56:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-17 04:56:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 04:56:54,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:54,602 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:56:54,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:56:54,603 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:54,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:54,605 INFO L85 PathProgramCache]: Analyzing trace with hash 36634658, now seen corresponding path program 1 times [2024-11-17 04:56:54,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:54,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722431909] [2024-11-17 04:56:54,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:54,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:56:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:54,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-17 04:56:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-17 04:56:54,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:54,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722431909] [2024-11-17 04:56:54,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722431909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:56:54,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689187348] [2024-11-17 04:56:54,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:54,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:56:54,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:56:54,785 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) [2024-11-17 04:56:54,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:56:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:54,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:56:54,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:56:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:56:54,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:56:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:56:55,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689187348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:56:55,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:56:55,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-11-17 04:56:55,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449208040] [2024-11-17 04:56:55,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:56:55,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:56:55,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:55,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:56:55,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:56:55,116 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 15 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 7 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:56:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:55,748 INFO L93 Difference]: Finished difference Result 155 states and 227 transitions. [2024-11-17 04:56:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 04:56:55,749 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 7 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) Word has length 24 [2024-11-17 04:56:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:55,752 INFO L225 Difference]: With dead ends: 155 [2024-11-17 04:56:55,752 INFO L226 Difference]: Without dead ends: 117 [2024-11-17 04:56:55,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:56:55,755 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 93 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:55,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 245 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:56:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-17 04:56:55,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 95. [2024-11-17 04:56:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 74 states have (on average 1.0945945945945945) internal successors, (81), 76 states have internal predecessors, (81), 12 states have call successors, (12), 3 states have call predecessors, (12), 7 states have return successors, (43), 15 states have call predecessors, (43), 11 states have call successors, (43) [2024-11-17 04:56:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2024-11-17 04:56:55,797 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 24 [2024-11-17 04:56:55,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:55,797 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2024-11-17 04:56:55,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 7 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:56:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2024-11-17 04:56:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:56:55,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:55,801 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] [2024-11-17 04:56:55,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:56:56,006 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 [2024-11-17 04:56:56,006 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:56,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:56,007 INFO L85 PathProgramCache]: Analyzing trace with hash -910322325, now seen corresponding path program 2 times [2024-11-17 04:56:56,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:56,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262097023] [2024-11-17 04:56:56,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:56,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:56:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:56,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:56:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-17 04:56:56,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:56,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262097023] [2024-11-17 04:56:56,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262097023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:56:56,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968679935] [2024-11-17 04:56:56,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:56:56,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:56:56,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:56:56,154 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) [2024-11-17 04:56:56,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:56:56,210 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:56:56,211 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:56:56,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:56:56,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:56:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-17 04:56:56,254 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:56:56,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968679935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:56:56,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:56:56,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-17 04:56:56,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444473673] [2024-11-17 04:56:56,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:56:56,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:56:56,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:56,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:56:56,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:56:56,257 INFO L87 Difference]: Start difference. First operand 95 states and 136 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:56:56,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:56,294 INFO L93 Difference]: Finished difference Result 105 states and 149 transitions. [2024-11-17 04:56:56,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:56:56,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-17 04:56:56,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:56,297 INFO L225 Difference]: With dead ends: 105 [2024-11-17 04:56:56,298 INFO L226 Difference]: Without dead ends: 104 [2024-11-17 04:56:56,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:56:56,299 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 5 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:56,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:56:56,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-17 04:56:56,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2024-11-17 04:56:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 78 states have (on average 1.0897435897435896) internal successors, (85), 78 states have internal predecessors, (85), 12 states have call successors, (12), 3 states have call predecessors, (12), 7 states have return successors, (43), 17 states have call predecessors, (43), 11 states have call successors, (43) [2024-11-17 04:56:56,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 140 transitions. [2024-11-17 04:56:56,319 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 140 transitions. Word has length 42 [2024-11-17 04:56:56,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:56,320 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 140 transitions. [2024-11-17 04:56:56,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:56:56,320 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2024-11-17 04:56:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:56:56,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:56,321 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:56:56,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:56:56,525 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 [2024-11-17 04:56:56,526 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:56,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:56,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1541805986, now seen corresponding path program 1 times [2024-11-17 04:56:56,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:56,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258321544] [2024-11-17 04:56:56,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:56,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:56:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-17 04:56:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-17 04:56:56,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:56,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258321544] [2024-11-17 04:56:56,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258321544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:56:56,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332025449] [2024-11-17 04:56:56,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:56,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:56:56,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:56:56,665 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) [2024-11-17 04:56:56,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:56:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:56,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:56:56,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:56:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:56:56,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:56:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:56:57,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332025449] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:56:57,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:56:57,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 23 [2024-11-17 04:56:57,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971595315] [2024-11-17 04:56:57,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:56:57,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 04:56:57,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:57,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 04:56:57,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:56:57,050 INFO L87 Difference]: Start difference. First operand 99 states and 140 transitions. Second operand has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 17 states have internal predecessors, (66), 11 states have call successors, (13), 8 states have call predecessors, (13), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:56:57,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:57,684 INFO L93 Difference]: Finished difference Result 360 states and 564 transitions. [2024-11-17 04:56:57,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 04:56:57,685 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 17 states have internal predecessors, (66), 11 states have call successors, (13), 8 states have call predecessors, (13), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) Word has length 37 [2024-11-17 04:56:57,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:57,688 INFO L225 Difference]: With dead ends: 360 [2024-11-17 04:56:57,688 INFO L226 Difference]: Without dead ends: 270 [2024-11-17 04:56:57,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=870, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:56:57,692 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 261 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:57,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 517 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:56:57,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-17 04:56:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 241. [2024-11-17 04:56:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 193 states have (on average 1.0880829015544042) internal successors, (210), 192 states have internal predecessors, (210), 28 states have call successors, (28), 8 states have call predecessors, (28), 18 states have return successors, (94), 40 states have call predecessors, (94), 27 states have call successors, (94) [2024-11-17 04:56:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 332 transitions. [2024-11-17 04:56:57,747 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 332 transitions. Word has length 37 [2024-11-17 04:56:57,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:57,747 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 332 transitions. [2024-11-17 04:56:57,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 17 states have internal predecessors, (66), 11 states have call successors, (13), 8 states have call predecessors, (13), 5 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:56:57,747 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 332 transitions. [2024-11-17 04:56:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:56:57,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:57,749 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:56:57,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:56:57,953 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 [2024-11-17 04:56:57,954 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:57,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:57,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1018396343, now seen corresponding path program 1 times [2024-11-17 04:56:57,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:57,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577429833] [2024-11-17 04:56:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:57,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 04:56:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:56:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-17 04:56:58,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:58,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577429833] [2024-11-17 04:56:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577429833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:56:58,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:56:58,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:56:58,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42257095] [2024-11-17 04:56:58,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:56:58,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:56:58,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:58,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:56:58,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:56:58,088 INFO L87 Difference]: Start difference. First operand 241 states and 332 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:56:58,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:58,124 INFO L93 Difference]: Finished difference Result 273 states and 381 transitions. [2024-11-17 04:56:58,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:56:58,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2024-11-17 04:56:58,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:58,127 INFO L225 Difference]: With dead ends: 273 [2024-11-17 04:56:58,127 INFO L226 Difference]: Without dead ends: 272 [2024-11-17 04:56:58,128 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 [2024-11-17 04:56:58,128 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:58,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 59 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:56:58,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-17 04:56:58,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 252. [2024-11-17 04:56:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 202 states have (on average 1.0841584158415842) internal successors, (219), 200 states have internal predecessors, (219), 30 states have call successors, (30), 8 states have call predecessors, (30), 18 states have return successors, (106), 43 states have call predecessors, (106), 29 states have call successors, (106) [2024-11-17 04:56:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 355 transitions. [2024-11-17 04:56:58,157 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 355 transitions. Word has length 56 [2024-11-17 04:56:58,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:58,157 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 355 transitions. [2024-11-17 04:56:58,158 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), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:56:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 355 transitions. [2024-11-17 04:56:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:56:58,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:58,160 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:56:58,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:56:58,161 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:58,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:58,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1518789919, now seen corresponding path program 1 times [2024-11-17 04:56:58,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:58,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445390328] [2024-11-17 04:56:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:58,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 04:56:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:56:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:56:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:56:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-17 04:56:58,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:58,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445390328] [2024-11-17 04:56:58,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445390328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:56:58,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967590714] [2024-11-17 04:56:58,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:58,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:56:58,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:56:58,277 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) [2024-11-17 04:56:58,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:56:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:58,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:56:58,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:56:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 87 proven. 108 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 04:56:58,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:56:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 2 proven. 196 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:56:58,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967590714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:56:58,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:56:58,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 17, 17] total 26 [2024-11-17 04:56:58,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38399701] [2024-11-17 04:56:58,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:56:58,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:56:58,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:58,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:56:58,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:56:58,848 INFO L87 Difference]: Start difference. First operand 252 states and 355 transitions. Second operand has 26 states, 24 states have (on average 3.625) internal successors, (87), 18 states have internal predecessors, (87), 13 states have call successors, (18), 10 states have call predecessors, (18), 4 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:56:59,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:59,532 INFO L93 Difference]: Finished difference Result 642 states and 971 transitions. [2024-11-17 04:56:59,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:56:59,533 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 3.625) internal successors, (87), 18 states have internal predecessors, (87), 13 states have call successors, (18), 10 states have call predecessors, (18), 4 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) Word has length 76 [2024-11-17 04:56:59,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:59,536 INFO L225 Difference]: With dead ends: 642 [2024-11-17 04:56:59,536 INFO L226 Difference]: Without dead ends: 411 [2024-11-17 04:56:59,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 137 SyntacticMatches, 9 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=266, Invalid=1066, Unknown=0, NotChecked=0, Total=1332 [2024-11-17 04:56:59,540 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 264 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:59,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 681 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:56:59,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-17 04:56:59,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 376. [2024-11-17 04:56:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 302 states have (on average 1.0894039735099337) internal successors, (329), 301 states have internal predecessors, (329), 44 states have call successors, (44), 13 states have call predecessors, (44), 28 states have return successors, (131), 61 states have call predecessors, (131), 43 states have call successors, (131) [2024-11-17 04:56:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 504 transitions. [2024-11-17 04:56:59,582 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 504 transitions. Word has length 76 [2024-11-17 04:56:59,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:59,583 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 504 transitions. [2024-11-17 04:56:59,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 3.625) internal successors, (87), 18 states have internal predecessors, (87), 13 states have call successors, (18), 10 states have call predecessors, (18), 4 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:56:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 504 transitions. [2024-11-17 04:56:59,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 04:56:59,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:59,586 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 12, 12, 12, 12, 5, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:56:59,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:56:59,790 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 [2024-11-17 04:56:59,791 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:56:59,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:59,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1064045988, now seen corresponding path program 1 times [2024-11-17 04:56:59,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:59,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441749318] [2024-11-17 04:56:59,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:59,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 04:56:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:59,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:56:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:59,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 04:56:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:56:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:59,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:56:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2024-11-17 04:56:59,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:59,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441749318] [2024-11-17 04:56:59,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441749318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:56:59,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937989003] [2024-11-17 04:56:59,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:59,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:56:59,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:56:59,938 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) [2024-11-17 04:56:59,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:57:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:00,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:57:00,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:57:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 492 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-17 04:57:00,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:57:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 335 proven. 207 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-17 04:57:00,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937989003] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:57:00,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:57:00,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 25, 25] total 29 [2024-11-17 04:57:00,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866914760] [2024-11-17 04:57:00,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:57:00,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 04:57:00,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:57:00,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 04:57:00,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2024-11-17 04:57:00,734 INFO L87 Difference]: Start difference. First operand 376 states and 504 transitions. Second operand has 29 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 19 states have internal predecessors, (97), 14 states have call successors, (19), 12 states have call predecessors, (19), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-17 04:57:01,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:57:01,651 INFO L93 Difference]: Finished difference Result 740 states and 1044 transitions. [2024-11-17 04:57:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-17 04:57:01,652 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 19 states have internal predecessors, (97), 14 states have call successors, (19), 12 states have call predecessors, (19), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 114 [2024-11-17 04:57:01,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:57:01,655 INFO L225 Difference]: With dead ends: 740 [2024-11-17 04:57:01,656 INFO L226 Difference]: Without dead ends: 381 [2024-11-17 04:57:01,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 199 SyntacticMatches, 22 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=849, Invalid=2343, Unknown=0, NotChecked=0, Total=3192 [2024-11-17 04:57:01,661 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 692 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:57:01,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 231 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:57:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-17 04:57:01,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 359. [2024-11-17 04:57:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 288 states have (on average 1.0868055555555556) internal successors, (313), 289 states have internal predecessors, (313), 42 states have call successors, (42), 14 states have call predecessors, (42), 27 states have return successors, (80), 55 states have call predecessors, (80), 41 states have call successors, (80) [2024-11-17 04:57:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 435 transitions. [2024-11-17 04:57:01,683 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 435 transitions. Word has length 114 [2024-11-17 04:57:01,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:57:01,683 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 435 transitions. [2024-11-17 04:57:01,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 19 states have internal predecessors, (97), 14 states have call successors, (19), 12 states have call predecessors, (19), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-17 04:57:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 435 transitions. [2024-11-17 04:57:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-17 04:57:01,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:57:01,689 INFO L215 NwaCegarLoop]: trace histogram [12, 10, 9, 9, 9, 9, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:57:01,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:57:01,893 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 [2024-11-17 04:57:01,894 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:57:01,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:57:01,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1964044243, now seen corresponding path program 1 times [2024-11-17 04:57:01,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:57:01,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074326059] [2024-11-17 04:57:01,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:57:01,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:57:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:57:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:01,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:57:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:02,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:57:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 45 proven. 9 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-17 04:57:02,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:57:02,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074326059] [2024-11-17 04:57:02,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074326059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:57:02,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274795598] [2024-11-17 04:57:02,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:57:02,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:57:02,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:57:02,006 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) [2024-11-17 04:57:02,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:57:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:02,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:57:02,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:57:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 46 proven. 254 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:57:02,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:57:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 9 proven. 286 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 04:57:02,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274795598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:57:02,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:57:02,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 22, 23] total 27 [2024-11-17 04:57:02,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307491107] [2024-11-17 04:57:02,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:57:02,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-17 04:57:02,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:57:02,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-17 04:57:02,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=550, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:57:02,691 INFO L87 Difference]: Start difference. First operand 359 states and 435 transitions. Second operand has 27 states, 26 states have (on average 3.5) internal successors, (91), 19 states have internal predecessors, (91), 15 states have call successors, (17), 10 states have call predecessors, (17), 4 states have return successors, (8), 2 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:57:03,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:57:03,085 INFO L93 Difference]: Finished difference Result 571 states and 710 transitions. [2024-11-17 04:57:03,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:57:03,086 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.5) internal successors, (91), 19 states have internal predecessors, (91), 15 states have call successors, (17), 10 states have call predecessors, (17), 4 states have return successors, (8), 2 states have call predecessors, (8), 7 states have call successors, (8) Word has length 87 [2024-11-17 04:57:03,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:57:03,088 INFO L225 Difference]: With dead ends: 571 [2024-11-17 04:57:03,088 INFO L226 Difference]: Without dead ends: 230 [2024-11-17 04:57:03,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 152 SyntacticMatches, 19 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=348, Invalid=984, Unknown=0, NotChecked=0, Total=1332 [2024-11-17 04:57:03,091 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 356 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:57:03,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 455 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:57:03,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-17 04:57:03,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 217. [2024-11-17 04:57:03,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 174 states have (on average 1.132183908045977) internal successors, (197), 176 states have internal predecessors, (197), 27 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-17 04:57:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 250 transitions. [2024-11-17 04:57:03,104 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 250 transitions. Word has length 87 [2024-11-17 04:57:03,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:57:03,105 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 250 transitions. [2024-11-17 04:57:03,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.5) internal successors, (91), 19 states have internal predecessors, (91), 15 states have call successors, (17), 10 states have call predecessors, (17), 4 states have return successors, (8), 2 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:57:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 250 transitions. [2024-11-17 04:57:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 04:57:03,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:57:03,106 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, 1, 1] [2024-11-17 04:57:03,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:57:03,310 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 [2024-11-17 04:57:03,311 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:57:03,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:57:03,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1274836237, now seen corresponding path program 2 times [2024-11-17 04:57:03,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:57:03,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525029494] [2024-11-17 04:57:03,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:57:03,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:57:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:03,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:57:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:03,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:03,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-17 04:57:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-17 04:57:03,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:57:03,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525029494] [2024-11-17 04:57:03,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525029494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:57:03,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157864868] [2024-11-17 04:57:03,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:57:03,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:57:03,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:57:03,470 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) [2024-11-17 04:57:03,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:57:03,527 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:57:03,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:57:03,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:57:03,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:57:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-17 04:57:03,588 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:57:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-17 04:57:03,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157864868] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:57:03,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:57:03,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-17 04:57:03,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434675569] [2024-11-17 04:57:03,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:57:03,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:57:03,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:57:03,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:57:03,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:57:03,744 INFO L87 Difference]: Start difference. First operand 217 states and 250 transitions. Second operand has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 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) [2024-11-17 04:57:03,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:57:03,813 INFO L93 Difference]: Finished difference Result 218 states and 250 transitions. [2024-11-17 04:57:03,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:57:03,813 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 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 88 [2024-11-17 04:57:03,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:57:03,815 INFO L225 Difference]: With dead ends: 218 [2024-11-17 04:57:03,815 INFO L226 Difference]: Without dead ends: 217 [2024-11-17 04:57:03,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 177 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:57:03,816 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:57:03,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 125 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:57:03,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-17 04:57:03,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-17 04:57:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 174 states have (on average 1.1149425287356323) internal successors, (194), 176 states have internal predecessors, (194), 27 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-17 04:57:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 247 transitions. [2024-11-17 04:57:03,828 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 247 transitions. Word has length 88 [2024-11-17 04:57:03,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:57:03,828 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 247 transitions. [2024-11-17 04:57:03,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 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) [2024-11-17 04:57:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 247 transitions. [2024-11-17 04:57:03,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-17 04:57:03,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:57:03,831 INFO L215 NwaCegarLoop]: trace histogram [15, 13, 10, 10, 10, 10, 8, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-17 04:57:03,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:57:04,031 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 [2024-11-17 04:57:04,032 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:57:04,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:57:04,032 INFO L85 PathProgramCache]: Analyzing trace with hash 663307472, now seen corresponding path program 2 times [2024-11-17 04:57:04,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:57:04,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013750465] [2024-11-17 04:57:04,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:57:04,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:57:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:57:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:57:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2024-11-17 04:57:04,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:57:04,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013750465] [2024-11-17 04:57:04,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013750465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:57:04,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758264387] [2024-11-17 04:57:04,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:57:04,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:57:04,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:57:04,356 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) [2024-11-17 04:57:04,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:57:04,418 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:57:04,418 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:57:04,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:57:04,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:57:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 26 proven. 56 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-11-17 04:57:04,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:57:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-17 04:57:04,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758264387] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:57:04,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:57:04,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-17 04:57:04,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587375167] [2024-11-17 04:57:04,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:57:04,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 04:57:04,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:57:04,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 04:57:04,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:57:04,868 INFO L87 Difference]: Start difference. First operand 217 states and 247 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (15), 12 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-17 04:57:04,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:57:04,938 INFO L93 Difference]: Finished difference Result 217 states and 247 transitions. [2024-11-17 04:57:04,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:57:04,939 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (15), 12 states have call predecessors, (15), 5 states have call successors, (15) Word has length 122 [2024-11-17 04:57:04,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:57:04,940 INFO L225 Difference]: With dead ends: 217 [2024-11-17 04:57:04,940 INFO L226 Difference]: Without dead ends: 216 [2024-11-17 04:57:04,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 255 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:57:04,941 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:57:04,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 145 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:57:04,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-17 04:57:04,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-17 04:57:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 174 states have (on average 1.0517241379310345) internal successors, (183), 175 states have internal predecessors, (183), 27 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-17 04:57:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 236 transitions. [2024-11-17 04:57:04,971 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 236 transitions. Word has length 122 [2024-11-17 04:57:04,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:57:04,971 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 236 transitions. [2024-11-17 04:57:04,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (15), 12 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-17 04:57:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 236 transitions. [2024-11-17 04:57:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-17 04:57:04,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:57:04,975 INFO L215 NwaCegarLoop]: trace histogram [20, 17, 14, 12, 12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 3, 1, 1, 1, 1] [2024-11-17 04:57:04,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:57:05,179 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 [2024-11-17 04:57:05,180 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:57:05,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:57:05,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1883415309, now seen corresponding path program 3 times [2024-11-17 04:57:05,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:57:05,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931449883] [2024-11-17 04:57:05,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:57:05,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:57:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 04:57:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-17 04:57:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 82 proven. 142 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-11-17 04:57:05,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:57:05,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931449883] [2024-11-17 04:57:05,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931449883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:57:05,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248060689] [2024-11-17 04:57:05,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:57:05,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:57:05,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:57:05,862 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) [2024-11-17 04:57:05,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:57:05,940 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 04:57:05,941 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:57:05,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 04:57:05,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:57:06,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 82 proven. 142 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-11-17 04:57:06,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:57:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 152 proven. 134 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2024-11-17 04:57:07,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248060689] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:57:07,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:57:07,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 17] total 26 [2024-11-17 04:57:07,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008550529] [2024-11-17 04:57:07,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:57:07,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-17 04:57:07,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:57:07,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-17 04:57:07,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:57:07,278 INFO L87 Difference]: Start difference. First operand 216 states and 236 transitions. Second operand has 27 states, 26 states have (on average 3.076923076923077) internal successors, (80), 27 states have internal predecessors, (80), 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) [2024-11-17 04:57:07,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:57:07,360 INFO L93 Difference]: Finished difference Result 217 states and 236 transitions. [2024-11-17 04:57:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 04:57:07,360 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.076923076923077) internal successors, (80), 27 states have internal predecessors, (80), 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 179 [2024-11-17 04:57:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:57:07,362 INFO L225 Difference]: With dead ends: 217 [2024-11-17 04:57:07,362 INFO L226 Difference]: Without dead ends: 216 [2024-11-17 04:57:07,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 372 SyntacticMatches, 16 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-11-17 04:57:07,363 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:57:07,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 161 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:57:07,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-17 04:57:07,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-17 04:57:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 174 states have (on average 1.028735632183908) internal successors, (179), 175 states have internal predecessors, (179), 27 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-17 04:57:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 232 transitions. [2024-11-17 04:57:07,373 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 232 transitions. Word has length 179 [2024-11-17 04:57:07,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:57:07,373 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 232 transitions. [2024-11-17 04:57:07,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.076923076923077) internal successors, (80), 27 states have internal predecessors, (80), 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) [2024-11-17 04:57:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 232 transitions. [2024-11-17 04:57:07,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2024-11-17 04:57:07,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:57:07,379 INFO L215 NwaCegarLoop]: trace histogram [44, 40, 36, 23, 23, 23, 23, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 13, 8, 1, 1, 1, 1] [2024-11-17 04:57:07,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:57:07,582 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 [2024-11-17 04:57:07,583 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:57:07,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:57:07,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1681005855, now seen corresponding path program 4 times [2024-11-17 04:57:07,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:57:07,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838046659] [2024-11-17 04:57:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:57:07,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:57:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:08,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:57:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:57:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 04:57:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-17 04:57:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:09,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:57:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6342 backedges. 872 proven. 1189 refuted. 0 times theorem prover too weak. 4281 trivial. 0 not checked. [2024-11-17 04:57:10,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:57:10,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838046659] [2024-11-17 04:57:10,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838046659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:57:10,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043851430] [2024-11-17 04:57:10,207 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:57:10,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:57:10,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:57:10,208 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) [2024-11-17 04:57:10,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:57:10,361 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:57:10,361 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:57:10,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-17 04:57:10,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:57:10,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6342 backedges. 872 proven. 1189 refuted. 0 times theorem prover too weak. 4281 trivial. 0 not checked. [2024-11-17 04:57:10,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:57:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6342 backedges. 1226 proven. 1081 refuted. 0 times theorem prover too weak. 4035 trivial. 0 not checked. [2024-11-17 04:57:17,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043851430] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:57:17,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:57:17,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 29] total 40 [2024-11-17 04:57:17,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468159645] [2024-11-17 04:57:17,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:57:17,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-17 04:57:17,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:57:17,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-17 04:57:17,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:57:17,616 INFO L87 Difference]: Start difference. First operand 216 states and 232 transitions. Second operand has 41 states, 40 states have (on average 3.0) internal successors, (120), 41 states have internal predecessors, (120), 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) [2024-11-17 04:57:17,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:57:17,724 INFO L93 Difference]: Finished difference Result 217 states and 232 transitions. [2024-11-17 04:57:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 04:57:17,725 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.0) internal successors, (120), 41 states have internal predecessors, (120), 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 435 [2024-11-17 04:57:17,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:57:17,728 INFO L225 Difference]: With dead ends: 217 [2024-11-17 04:57:17,728 INFO L226 Difference]: Without dead ends: 216 [2024-11-17 04:57:17,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1030 GetRequests, 928 SyntacticMatches, 62 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2223 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=381, Invalid=1341, Unknown=0, NotChecked=0, Total=1722 [2024-11-17 04:57:17,730 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:57:17,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 198 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:57:17,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-17 04:57:17,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-17 04:57:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 174 states have (on average 1.0114942528735633) internal successors, (176), 175 states have internal predecessors, (176), 27 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-17 04:57:17,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 229 transitions. [2024-11-17 04:57:17,743 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 229 transitions. Word has length 435 [2024-11-17 04:57:17,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:57:17,744 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 229 transitions. [2024-11-17 04:57:17,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.0) internal successors, (120), 41 states have internal predecessors, (120), 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) [2024-11-17 04:57:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 229 transitions. [2024-11-17 04:57:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2024-11-17 04:57:17,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:57:17,772 INFO L215 NwaCegarLoop]: trace histogram [110, 108, 89, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 54, 53, 53, 34, 21, 1, 1, 1, 1] [2024-11-17 04:57:17,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:57:17,972 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 [2024-11-17 04:57:17,972 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fiboErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:57:17,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:57:17,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1824234877, now seen corresponding path program 5 times [2024-11-17 04:57:17,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:57:17,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55186936] [2024-11-17 04:57:17,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:57:17,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:57:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:26,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:26,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:57:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 04:57:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-17 04:57:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:57:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:27,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-11-17 04:57:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:57:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 04:57:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2024-11-17 04:57:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:57:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 04:57:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-17 04:57:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:57:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:57:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 04:57:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:57:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:57:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 43312 backedges. 7150 proven. 8439 refuted. 0 times theorem prover too weak. 27723 trivial. 0 not checked. [2024-11-17 04:57:29,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:57:29,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55186936] [2024-11-17 04:57:29,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55186936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:57:29,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687212811] [2024-11-17 04:57:29,743 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:57:29,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:57:29,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:57:29,745 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) [2024-11-17 04:57:29,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:57:30,188 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 76 check-sat command(s) [2024-11-17 04:57:30,188 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:57:30,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 217 conjuncts are in the unsatisfiable core [2024-11-17 04:57:30,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:57:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 43312 backedges. 7150 proven. 8439 refuted. 0 times theorem prover too weak. 27723 trivial. 0 not checked. [2024-11-17 04:57:31,202 INFO L311 TraceCheckSpWp]: Computing backward predicates...