./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/Fibonacci01-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/termination-numeric/Fibonacci01-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 14cfbc3a2ba2bfe3a03d4d1ebff24b0baf1851f06dbbd2468b59e09322e4ce16 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:14:26,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:14:26,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 11:14:26,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:14:26,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:14:26,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:14:26,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:14:26,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:14:26,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:14:26,551 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:14:26,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:14:26,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:14:26,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:14:26,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:14:26,553 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:14:26,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:14:26,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:14:26,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:14:26,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:14:26,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:14:26,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:14:26,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:14:26,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:14:26,558 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:14:26,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:14:26,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:14:26,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:14:26,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:14:26,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:14:26,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:14:26,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:14:26,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:14:26,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:14:26,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:14:26,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:14:26,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:14:26,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:14:26,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:14:26,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:14:26,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:14:26,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:14:26,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14cfbc3a2ba2bfe3a03d4d1ebff24b0baf1851f06dbbd2468b59e09322e4ce16 [2024-11-09 11:14:26,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:14:26,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:14:26,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:14:26,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:14:26,852 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:14:26,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Fibonacci01-2.c [2024-11-09 11:14:28,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:14:28,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:14:28,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Fibonacci01-2.c [2024-11-09 11:14:28,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04cc5c1a4/894e3637397044bd9c10601980d86f8e/FLAGeec0c0c74 [2024-11-09 11:14:28,498 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04cc5c1a4/894e3637397044bd9c10601980d86f8e [2024-11-09 11:14:28,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:14:28,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:14:28,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:14:28,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:14:28,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:14:28,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25edb5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28, skipping insertion in model container [2024-11-09 11:14:28,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:14:28,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:14:28,709 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:14:28,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:14:28,745 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:14:28,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28 WrapperNode [2024-11-09 11:14:28,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:14:28,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:14:28,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:14:28,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:14:28,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,777 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-09 11:14:28,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:14:28,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:14:28,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:14:28,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:14:28,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,809 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]. [2024-11-09 11:14:28,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:14:28,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:14:28,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:14:28,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:14:28,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (1/1) ... [2024-11-09 11:14:28,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:14:28,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:28,882 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) [2024-11-09 11:14:28,885 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 [2024-11-09 11:14:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-11-09 11:14:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-11-09 11:14:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:14:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:14:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:14:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:14:29,007 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:14:29,009 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:14:29,167 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 11:14:29,168 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:14:29,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:14:29,184 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 11:14:29,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:14:29 BoogieIcfgContainer [2024-11-09 11:14:29,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:14:29,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:14:29,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:14:29,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:14:29,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:14:28" (1/3) ... [2024-11-09 11:14:29,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1bd7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:14:29, skipping insertion in model container [2024-11-09 11:14:29,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:14:28" (2/3) ... [2024-11-09 11:14:29,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1bd7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:14:29, skipping insertion in model container [2024-11-09 11:14:29,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:14:29" (3/3) ... [2024-11-09 11:14:29,195 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci01-2.c [2024-11-09 11:14:29,214 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:14:29,214 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 11:14:29,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:14:29,297 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;@2a97dc02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:14:29,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 11:14:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:14:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:14:29,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:29,313 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:14:29,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:29,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:29,322 INFO L85 PathProgramCache]: Analyzing trace with hash 629029755, now seen corresponding path program 1 times [2024-11-09 11:14:29,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:29,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616686279] [2024-11-09 11:14:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:29,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:14:29,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:29,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616686279] [2024-11-09 11:14:29,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616686279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:14:29,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:14:29,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:14:29,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239791673] [2024-11-09 11:14:29,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:14:29,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:14:29,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:14:29,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:14:29,558 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:14:29,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:29,611 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2024-11-09 11:14:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:14:29,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:14:29,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:29,620 INFO L225 Difference]: With dead ends: 37 [2024-11-09 11:14:29,621 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 11:14:29,623 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 [2024-11-09 11:14:29,626 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 11 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 44 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 [2024-11-09 11:14:29,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 44 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:14:29,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 11:14:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-11-09 11:14:29,659 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) [2024-11-09 11:14:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-09 11:14:29,662 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 8 [2024-11-09 11:14:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:29,662 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-09 11:14:29,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:14:29,663 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-09 11:14:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:14:29,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:29,664 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:14:29,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:14:29,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:29,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:29,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1974914033, now seen corresponding path program 1 times [2024-11-09 11:14:29,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:29,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952185047] [2024-11-09 11:14:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:29,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:14:29,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:29,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952185047] [2024-11-09 11:14:29,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952185047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:14:29,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:14:29,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:14:29,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745074409] [2024-11-09 11:14:29,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:14:29,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:14:29,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:29,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:14:29,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:14:29,781 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-09 11:14:29,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:29,861 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-09 11:14:29,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:14:29,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 9 [2024-11-09 11:14:29,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:29,863 INFO L225 Difference]: With dead ends: 25 [2024-11-09 11:14:29,863 INFO L226 Difference]: Without dead ends: 23 [2024-11-09 11:14:29,863 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 [2024-11-09 11:14:29,865 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:29,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 29 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:14:29,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-09 11:14:29,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-11-09 11:14:29,874 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) [2024-11-09 11:14:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-09 11:14:29,876 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 9 [2024-11-09 11:14:29,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:29,876 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-09 11:14:29,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-09 11:14:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-09 11:14:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:14:29,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:29,879 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] [2024-11-09 11:14:29,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:14:29,879 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:29,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:29,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1558234811, now seen corresponding path program 1 times [2024-11-09 11:14:29,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:29,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371749427] [2024-11-09 11:14:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:30,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:14:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:30,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:14:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:14:30,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:30,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371749427] [2024-11-09 11:14:30,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371749427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:14:30,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:14:30,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:14:30,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202871600] [2024-11-09 11:14:30,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:14:30,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:14:30,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:30,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:14:30,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:14:30,094 INFO L87 Difference]: Start difference. First operand 21 states and 24 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) [2024-11-09 11:14:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:30,141 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-11-09 11:14:30,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:14:30,142 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 24 [2024-11-09 11:14:30,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:30,143 INFO L225 Difference]: With dead ends: 35 [2024-11-09 11:14:30,143 INFO L226 Difference]: Without dead ends: 33 [2024-11-09 11:14:30,143 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 [2024-11-09 11:14:30,144 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:30,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 55 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:14:30,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-09 11:14:30,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2024-11-09 11:14:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 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) [2024-11-09 11:14:30,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2024-11-09 11:14:30,154 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 24 [2024-11-09 11:14:30,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:30,154 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-09 11:14:30,154 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) [2024-11-09 11:14:30,155 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-09 11:14:30,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:14:30,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:30,156 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:14:30,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:14:30,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:30,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:30,157 INFO L85 PathProgramCache]: Analyzing trace with hash 171916151, now seen corresponding path program 1 times [2024-11-09 11:14:30,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:30,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889965313] [2024-11-09 11:14:30,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:30,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:30,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:30,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:14:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:14:30,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:30,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889965313] [2024-11-09 11:14:30,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889965313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:30,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106275097] [2024-11-09 11:14:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:30,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:30,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:30,416 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) [2024-11-09 11:14:30,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:14:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:30,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:14:30,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:14:30,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:14:30,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106275097] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:30,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:30,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-11-09 11:14:30,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302253500] [2024-11-09 11:14:30,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:30,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:14:30,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:14:30,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:14:30,843 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-09 11:14:31,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:31,150 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2024-11-09 11:14:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:14:31,150 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 31 [2024-11-09 11:14:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:31,152 INFO L225 Difference]: With dead ends: 91 [2024-11-09 11:14:31,152 INFO L226 Difference]: Without dead ends: 65 [2024-11-09 11:14:31,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:14:31,155 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 150 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:31,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 91 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:14:31,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-09 11:14:31,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 53. [2024-11-09 11:14:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 42 states have internal predecessors, (43), 7 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (18), 8 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-09 11:14:31,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2024-11-09 11:14:31,175 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 31 [2024-11-09 11:14:31,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:31,175 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2024-11-09 11:14:31,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-09 11:14:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2024-11-09 11:14:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:14:31,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:31,177 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:14:31,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:14:31,380 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 [2024-11-09 11:14:31,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:31,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:31,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1070767867, now seen corresponding path program 2 times [2024-11-09 11:14:31,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:31,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597962983] [2024-11-09 11:14:31,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:31,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:31,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:14:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:31,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:14:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:14:31,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:31,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597962983] [2024-11-09 11:14:31,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597962983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548457102] [2024-11-09 11:14:31,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:14:31,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:31,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:31,515 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) [2024-11-09 11:14:31,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:14:31,553 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:14:31,553 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:31,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:14:31,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:14:31,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:14:31,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548457102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:14:31,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:14:31,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:14:31,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682084669] [2024-11-09 11:14:31,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:14:31,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:14:31,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:31,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:14:31,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:14:31,642 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:14:31,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:31,682 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2024-11-09 11:14:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:14:31,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2024-11-09 11:14:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:31,685 INFO L225 Difference]: With dead ends: 60 [2024-11-09 11:14:31,687 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 11:14:31,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:14:31,689 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:31,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 65 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:14:31,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 11:14:31,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-11-09 11:14:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 43 states have internal predecessors, (45), 7 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (18), 9 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-09 11:14:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2024-11-09 11:14:31,709 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 25 [2024-11-09 11:14:31,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:31,709 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2024-11-09 11:14:31,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:14:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2024-11-09 11:14:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:14:31,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:31,710 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:14:31,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:14:31,911 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 [2024-11-09 11:14:31,911 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:31,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:31,912 INFO L85 PathProgramCache]: Analyzing trace with hash 999341253, now seen corresponding path program 1 times [2024-11-09 11:14:31,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:31,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832418733] [2024-11-09 11:14:31,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:31,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:31,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:14:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:14:32,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:32,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832418733] [2024-11-09 11:14:32,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832418733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:32,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830995292] [2024-11-09 11:14:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:32,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:32,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:32,023 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) [2024-11-09 11:14:32,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:14:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:32,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:14:32,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:14:32,142 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:14:32,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830995292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:14:32,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:14:32,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 11:14:32,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094147871] [2024-11-09 11:14:32,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:14:32,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:14:32,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:32,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:14:32,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:14:32,146 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2024-11-09 11:14:32,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:32,194 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2024-11-09 11:14:32,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:14:32,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 32 [2024-11-09 11:14:32,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:32,198 INFO L225 Difference]: With dead ends: 82 [2024-11-09 11:14:32,198 INFO L226 Difference]: Without dead ends: 81 [2024-11-09 11:14:32,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:14:32,201 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:32,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 71 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:14:32,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-09 11:14:32,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 64. [2024-11-09 11:14:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 50 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (27), 11 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-09 11:14:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 87 transitions. [2024-11-09 11:14:32,225 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 87 transitions. Word has length 32 [2024-11-09 11:14:32,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:32,226 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 87 transitions. [2024-11-09 11:14:32,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2024-11-09 11:14:32,226 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2024-11-09 11:14:32,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:14:32,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:32,231 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:14:32,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:14:32,435 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 [2024-11-09 11:14:32,436 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:32,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:32,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1613174786, now seen corresponding path program 1 times [2024-11-09 11:14:32,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:32,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953142700] [2024-11-09 11:14:32,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:32,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:32,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:32,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:14:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:14:32,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:32,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953142700] [2024-11-09 11:14:32,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953142700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:32,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748790973] [2024-11-09 11:14:32,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:32,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:32,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:32,653 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) [2024-11-09 11:14:32,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:14:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:32,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:14:32,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:32,801 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-11-09 11:14:32,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:14:33,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748790973] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:33,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:33,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-09 11:14:33,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778101104] [2024-11-09 11:14:33,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:33,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:14:33,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:33,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:14:33,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:14:33,016 INFO L87 Difference]: Start difference. First operand 64 states and 87 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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) [2024-11-09 11:14:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:33,144 INFO L93 Difference]: Finished difference Result 127 states and 197 transitions. [2024-11-09 11:14:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:14:33,145 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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 52 [2024-11-09 11:14:33,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:33,148 INFO L225 Difference]: With dead ends: 127 [2024-11-09 11:14:33,148 INFO L226 Difference]: Without dead ends: 126 [2024-11-09 11:14:33,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:14:33,149 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 10 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:33,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 118 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:14:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-09 11:14:33,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 98. [2024-11-09 11:14:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.0789473684210527) internal successors, (82), 75 states have internal predecessors, (82), 11 states have call successors, (11), 2 states have call predecessors, (11), 9 states have return successors, (66), 20 states have call predecessors, (66), 10 states have call successors, (66) [2024-11-09 11:14:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 159 transitions. [2024-11-09 11:14:33,178 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 159 transitions. Word has length 52 [2024-11-09 11:14:33,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:33,178 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 159 transitions. [2024-11-09 11:14:33,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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) [2024-11-09 11:14:33,179 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 159 transitions. [2024-11-09 11:14:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 11:14:33,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:33,182 INFO L215 NwaCegarLoop]: trace histogram [8, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:14:33,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:14:33,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:33,389 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:33,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:33,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1050980669, now seen corresponding path program 1 times [2024-11-09 11:14:33,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:33,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823969725] [2024-11-09 11:14:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:33,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:33,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:33,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:14:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:33,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:33,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:14:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 42 proven. 39 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:14:33,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823969725] [2024-11-09 11:14:33,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823969725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819949923] [2024-11-09 11:14:33,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:33,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:33,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:33,659 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) [2024-11-09 11:14:33,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:14:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:33,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:14:33,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:14:33,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 11:14:34,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819949923] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:34,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:34,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 5] total 18 [2024-11-09 11:14:34,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563656275] [2024-11-09 11:14:34,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:34,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:14:34,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:34,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:14:34,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:14:34,017 INFO L87 Difference]: Start difference. First operand 98 states and 159 transitions. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 7 states have call successors, (10), 1 states have call predecessors, (10), 6 states have return successors, (14), 11 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:14:34,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:34,523 INFO L93 Difference]: Finished difference Result 255 states and 502 transitions. [2024-11-09 11:14:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 11:14:34,524 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 7 states have call successors, (10), 1 states have call predecessors, (10), 6 states have return successors, (14), 11 states have call predecessors, (14), 7 states have call successors, (14) Word has length 69 [2024-11-09 11:14:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:34,527 INFO L225 Difference]: With dead ends: 255 [2024-11-09 11:14:34,527 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 11:14:34,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 139 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=330, Invalid=1310, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 11:14:34,530 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 69 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:34,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 92 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:14:34,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 11:14:34,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 103. [2024-11-09 11:14:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.05) internal successors, (84), 80 states have internal predecessors, (84), 12 states have call successors, (12), 3 states have call predecessors, (12), 10 states have return successors, (75), 19 states have call predecessors, (75), 11 states have call successors, (75) [2024-11-09 11:14:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 171 transitions. [2024-11-09 11:14:34,562 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 171 transitions. Word has length 69 [2024-11-09 11:14:34,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:34,563 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 171 transitions. [2024-11-09 11:14:34,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 7 states have call successors, (10), 1 states have call predecessors, (10), 6 states have return successors, (14), 11 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:14:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2024-11-09 11:14:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-09 11:14:34,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:34,573 INFO L215 NwaCegarLoop]: trace histogram [19, 17, 14, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 5, 5, 1, 1, 1, 1, 1] [2024-11-09 11:14:34,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:14:34,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:34,774 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:34,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2044509219, now seen corresponding path program 2 times [2024-11-09 11:14:34,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:34,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428681324] [2024-11-09 11:14:34,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:34,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:34,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:14:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:14:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:14:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:14:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:14:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 109 proven. 412 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-09 11:14:35,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:35,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428681324] [2024-11-09 11:14:35,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428681324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:35,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56501013] [2024-11-09 11:14:35,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:14:35,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:35,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:35,270 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) [2024-11-09 11:14:35,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:14:35,357 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:14:35,357 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:35,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:14:35,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 613 proven. 177 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-09 11:14:35,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 116 proven. 495 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-11-09 11:14:36,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56501013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:36,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:36,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 14] total 21 [2024-11-09 11:14:36,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971569649] [2024-11-09 11:14:36,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:36,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 11:14:36,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:36,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 11:14:36,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:14:36,097 INFO L87 Difference]: Start difference. First operand 103 states and 171 transitions. Second operand has 21 states, 21 states have (on average 5.857142857142857) internal successors, (123), 21 states have internal predecessors, (123), 17 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 10 states have call predecessors, (24), 16 states have call successors, (24) [2024-11-09 11:14:36,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:36,300 INFO L93 Difference]: Finished difference Result 204 states and 359 transitions. [2024-11-09 11:14:36,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:14:36,301 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.857142857142857) internal successors, (123), 21 states have internal predecessors, (123), 17 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 10 states have call predecessors, (24), 16 states have call successors, (24) Word has length 177 [2024-11-09 11:14:36,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:36,304 INFO L225 Difference]: With dead ends: 204 [2024-11-09 11:14:36,304 INFO L226 Difference]: Without dead ends: 105 [2024-11-09 11:14:36,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 374 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=231, Invalid=525, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:14:36,309 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 91 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:36,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 88 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:14:36,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-09 11:14:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 94. [2024-11-09 11:14:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.0933333333333333) internal successors, (82), 72 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 8 states have return successors, (36), 15 states have call predecessors, (36), 9 states have call successors, (36) [2024-11-09 11:14:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2024-11-09 11:14:36,330 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 177 [2024-11-09 11:14:36,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:36,330 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2024-11-09 11:14:36,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.857142857142857) internal successors, (123), 21 states have internal predecessors, (123), 17 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 10 states have call predecessors, (24), 16 states have call successors, (24) [2024-11-09 11:14:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2024-11-09 11:14:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:14:36,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:36,332 INFO L215 NwaCegarLoop]: trace histogram [9, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-09 11:14:36,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:14:36,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:36,533 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:36,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:36,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1405523298, now seen corresponding path program 3 times [2024-11-09 11:14:36,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:36,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531906520] [2024-11-09 11:14:36,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:14:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 11:14:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-11-09 11:14:36,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:36,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531906520] [2024-11-09 11:14:36,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531906520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:14:36,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:14:36,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:14:36,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584444679] [2024-11-09 11:14:36,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:14:36,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:14:36,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:36,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:14:36,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:14:36,628 INFO L87 Difference]: Start difference. First operand 94 states and 128 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:14:36,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:36,649 INFO L93 Difference]: Finished difference Result 101 states and 135 transitions. [2024-11-09 11:14:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:14:36,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 85 [2024-11-09 11:14:36,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:36,651 INFO L225 Difference]: With dead ends: 101 [2024-11-09 11:14:36,652 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 11:14:36,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:14:36,652 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:36,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 53 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:14:36,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 11:14:36,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 94. [2024-11-09 11:14:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.0933333333333333) internal successors, (82), 72 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 8 states have return successors, (36), 15 states have call predecessors, (36), 9 states have call successors, (36) [2024-11-09 11:14:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2024-11-09 11:14:36,662 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 85 [2024-11-09 11:14:36,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:36,662 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2024-11-09 11:14:36,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:14:36,663 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2024-11-09 11:14:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:14:36,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:36,664 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2024-11-09 11:14:36,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:14:36,664 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:36,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:36,665 INFO L85 PathProgramCache]: Analyzing trace with hash -379820228, now seen corresponding path program 4 times [2024-11-09 11:14:36,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:36,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011236696] [2024-11-09 11:14:36,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:36,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 11:14:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 101 proven. 39 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 11:14:36,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:36,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011236696] [2024-11-09 11:14:36,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011236696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:36,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110142235] [2024-11-09 11:14:36,869 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:14:36,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:36,873 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) [2024-11-09 11:14:36,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:14:36,921 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:14:36,921 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:36,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:14:36,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 142 proven. 37 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 11:14:37,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 104 proven. 62 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-09 11:14:37,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110142235] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:37,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:37,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 11] total 17 [2024-11-09 11:14:37,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736805597] [2024-11-09 11:14:37,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:37,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 11:14:37,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:37,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 11:14:37,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:14:37,467 INFO L87 Difference]: Start difference. First operand 94 states and 128 transitions. Second operand has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 11 states have call successors, (15), 2 states have call predecessors, (15), 6 states have return successors, (17), 7 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-09 11:14:37,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:37,578 INFO L93 Difference]: Finished difference Result 157 states and 219 transitions. [2024-11-09 11:14:37,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:14:37,578 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 11 states have call successors, (15), 2 states have call predecessors, (15), 6 states have return successors, (17), 7 states have call predecessors, (17), 11 states have call successors, (17) Word has length 92 [2024-11-09 11:14:37,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:37,579 INFO L225 Difference]: With dead ends: 157 [2024-11-09 11:14:37,580 INFO L226 Difference]: Without dead ends: 67 [2024-11-09 11:14:37,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:14:37,581 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 36 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:37,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 85 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:14:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-09 11:14:37,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2024-11-09 11:14:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 50 states have internal predecessors, (55), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (11), 8 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-09 11:14:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2024-11-09 11:14:37,591 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 92 [2024-11-09 11:14:37,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:37,591 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2024-11-09 11:14:37,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 11 states have call successors, (15), 2 states have call predecessors, (15), 6 states have return successors, (17), 7 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-09 11:14:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2024-11-09 11:14:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 11:14:37,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:37,594 INFO L215 NwaCegarLoop]: trace histogram [14, 12, 11, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 1, 1, 1, 1, 1] [2024-11-09 11:14:37,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:14:37,797 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 [2024-11-09 11:14:37,798 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:37,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:37,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1463816598, now seen corresponding path program 5 times [2024-11-09 11:14:37,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:37,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194452830] [2024-11-09 11:14:37,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:37,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:37,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:37,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:37,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:37,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:38,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:38,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 11:14:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:38,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:38,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 219 proven. 68 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-09 11:14:38,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:38,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194452830] [2024-11-09 11:14:38,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194452830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:38,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584502509] [2024-11-09 11:14:38,086 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:14:38,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:38,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:38,088 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) [2024-11-09 11:14:38,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:14:38,160 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-09 11:14:38,161 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:38,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:14:38,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 182 proven. 137 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 11:14:38,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 186 proven. 142 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-09 11:14:38,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584502509] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:38,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:38,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 20 [2024-11-09 11:14:38,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464728551] [2024-11-09 11:14:38,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:38,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 11:14:38,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:38,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 11:14:38,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:14:38,781 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2024-11-09 11:14:38,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:38,991 INFO L93 Difference]: Finished difference Result 132 states and 157 transitions. [2024-11-09 11:14:38,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:14:38,992 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) Word has length 130 [2024-11-09 11:14:38,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:38,993 INFO L225 Difference]: With dead ends: 132 [2024-11-09 11:14:38,993 INFO L226 Difference]: Without dead ends: 73 [2024-11-09 11:14:38,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 269 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2024-11-09 11:14:38,994 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 51 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:38,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 123 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:14:38,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-09 11:14:39,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2024-11-09 11:14:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 55 states have internal predecessors, (60), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 11:14:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 81 transitions. [2024-11-09 11:14:39,002 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 81 transitions. Word has length 130 [2024-11-09 11:14:39,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:39,003 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 81 transitions. [2024-11-09 11:14:39,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2024-11-09 11:14:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2024-11-09 11:14:39,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 11:14:39,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:39,006 INFO L215 NwaCegarLoop]: trace histogram [16, 14, 13, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 3, 1, 1, 1, 1, 1] [2024-11-09 11:14:39,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:14:39,210 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 [2024-11-09 11:14:39,211 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:39,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:39,211 INFO L85 PathProgramCache]: Analyzing trace with hash -728266247, now seen corresponding path program 6 times [2024-11-09 11:14:39,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:39,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894074386] [2024-11-09 11:14:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:39,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 11:14:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 78 proven. 135 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-11-09 11:14:39,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:39,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894074386] [2024-11-09 11:14:39,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894074386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:39,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389733152] [2024-11-09 11:14:39,729 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 11:14:39,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:39,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:39,731 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) [2024-11-09 11:14:39,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:14:39,817 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-11-09 11:14:39,817 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:39,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 11:14:39,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 78 proven. 135 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-11-09 11:14:40,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 144 proven. 128 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-11-09 11:14:41,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389733152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:41,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:41,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 17] total 26 [2024-11-09 11:14:41,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356345067] [2024-11-09 11:14:41,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:41,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 11:14:41,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:41,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 11:14:41,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:14:41,232 INFO L87 Difference]: Start difference. First operand 71 states and 81 transitions. Second operand has 27 states, 26 states have (on average 2.769230769230769) internal successors, (72), 27 states have internal predecessors, (72), 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) [2024-11-09 11:14:41,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:41,408 INFO L93 Difference]: Finished difference Result 117 states and 156 transitions. [2024-11-09 11:14:41,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:14:41,409 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.769230769230769) internal successors, (72), 27 states have internal predecessors, (72), 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 150 [2024-11-09 11:14:41,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:41,410 INFO L225 Difference]: With dead ends: 117 [2024-11-09 11:14:41,410 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 11:14:41,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 314 SyntacticMatches, 16 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:14:41,412 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:41,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 178 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:14:41,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 11:14:41,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2024-11-09 11:14:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 78 states have (on average 1.0384615384615385) internal successors, (81), 76 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 8 states have return successors, (37), 14 states have call predecessors, (37), 10 states have call successors, (37) [2024-11-09 11:14:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 129 transitions. [2024-11-09 11:14:41,424 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 129 transitions. Word has length 150 [2024-11-09 11:14:41,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:41,424 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 129 transitions. [2024-11-09 11:14:41,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.769230769230769) internal successors, (72), 27 states have internal predecessors, (72), 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) [2024-11-09 11:14:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2024-11-09 11:14:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-09 11:14:41,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:41,430 INFO L215 NwaCegarLoop]: trace histogram [39, 38, 31, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 12, 8, 1, 1, 1, 1, 1] [2024-11-09 11:14:41,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:14:41,634 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 [2024-11-09 11:14:41,635 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:41,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:41,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1326333035, now seen corresponding path program 7 times [2024-11-09 11:14:41,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:41,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507181657] [2024-11-09 11:14:41,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:41,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:41,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:14:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:41,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 11:14:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5063 backedges. 373 proven. 1485 refuted. 0 times theorem prover too weak. 3205 trivial. 0 not checked. [2024-11-09 11:14:42,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:42,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507181657] [2024-11-09 11:14:42,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507181657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:42,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970187312] [2024-11-09 11:14:42,445 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 11:14:42,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:42,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:42,448 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) [2024-11-09 11:14:42,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:14:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:42,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:14:42,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:42,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5063 backedges. 389 proven. 1723 refuted. 0 times theorem prover too weak. 2951 trivial. 0 not checked. [2024-11-09 11:14:42,759 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5063 backedges. 389 proven. 1762 refuted. 0 times theorem prover too weak. 2912 trivial. 0 not checked. [2024-11-09 11:14:44,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970187312] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:44,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:44,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 19] total 29 [2024-11-09 11:14:44,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920534435] [2024-11-09 11:14:44,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:44,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-09 11:14:44,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:44,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-09 11:14:44,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:14:44,006 INFO L87 Difference]: Start difference. First operand 98 states and 129 transitions. Second operand has 29 states, 29 states have (on average 5.206896551724138) internal successors, (151), 29 states have internal predecessors, (151), 24 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (36), 16 states have call predecessors, (36), 24 states have call successors, (36) [2024-11-09 11:14:44,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:44,329 INFO L93 Difference]: Finished difference Result 214 states and 308 transitions. [2024-11-09 11:14:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 11:14:44,330 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.206896551724138) internal successors, (151), 29 states have internal predecessors, (151), 24 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (36), 16 states have call predecessors, (36), 24 states have call successors, (36) Word has length 379 [2024-11-09 11:14:44,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:44,331 INFO L225 Difference]: With dead ends: 214 [2024-11-09 11:14:44,332 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 11:14:44,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 814 SyntacticMatches, 9 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=453, Invalid=1187, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 11:14:44,334 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 191 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:44,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 142 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:14:44,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 11:14:44,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 104. [2024-11-09 11:14:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.036144578313253) internal successors, (86), 81 states have internal predecessors, (86), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (34), 14 states have call predecessors, (34), 11 states have call successors, (34) [2024-11-09 11:14:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2024-11-09 11:14:44,348 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 379 [2024-11-09 11:14:44,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:44,348 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2024-11-09 11:14:44,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.206896551724138) internal successors, (151), 29 states have internal predecessors, (151), 24 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (36), 16 states have call predecessors, (36), 24 states have call successors, (36) [2024-11-09 11:14:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-09 11:14:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-11-09 11:14:44,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:44,357 INFO L215 NwaCegarLoop]: trace histogram [48, 45, 39, 24, 24, 24, 24, 23, 23, 23, 23, 23, 22, 22, 22, 21, 15, 9, 1, 1, 1, 1, 1] [2024-11-09 11:14:44,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 11:14:44,558 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 [2024-11-09 11:14:44,559 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:44,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:44,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1499990629, now seen corresponding path program 8 times [2024-11-09 11:14:44,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:44,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656757392] [2024-11-09 11:14:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:44,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:44,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:44,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 11:14:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-09 11:14:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 7510 backedges. 650 proven. 2180 refuted. 0 times theorem prover too weak. 4680 trivial. 0 not checked. [2024-11-09 11:14:45,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:45,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656757392] [2024-11-09 11:14:45,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656757392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:45,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741514940] [2024-11-09 11:14:45,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:14:45,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:45,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:45,452 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) [2024-11-09 11:14:45,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:14:45,641 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:14:45,641 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:45,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:14:45,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 7510 backedges. 3970 proven. 1245 refuted. 0 times theorem prover too weak. 2295 trivial. 0 not checked. [2024-11-09 11:14:45,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 7510 backedges. 706 proven. 2493 refuted. 0 times theorem prover too weak. 4311 trivial. 0 not checked. [2024-11-09 11:14:47,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741514940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:47,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:47,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 22] total 33 [2024-11-09 11:14:47,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424076231] [2024-11-09 11:14:47,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:47,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 11:14:47,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:47,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 11:14:47,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=796, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 11:14:47,391 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand has 33 states, 33 states have (on average 5.545454545454546) internal successors, (183), 33 states have internal predecessors, (183), 29 states have call successors, (35), 3 states have call predecessors, (35), 11 states have return successors, (44), 18 states have call predecessors, (44), 28 states have call successors, (44) [2024-11-09 11:14:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:47,797 INFO L93 Difference]: Finished difference Result 245 states and 334 transitions. [2024-11-09 11:14:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 11:14:47,798 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 5.545454545454546) internal successors, (183), 33 states have internal predecessors, (183), 29 states have call successors, (35), 3 states have call predecessors, (35), 11 states have return successors, (44), 18 states have call predecessors, (44), 28 states have call successors, (44) Word has length 459 [2024-11-09 11:14:47,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:47,800 INFO L225 Difference]: With dead ends: 245 [2024-11-09 11:14:47,800 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 11:14:47,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1046 GetRequests, 986 SyntacticMatches, 12 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=661, Invalid=1789, Unknown=0, NotChecked=0, Total=2450 [2024-11-09 11:14:47,806 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 175 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:47,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 163 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:14:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 11:14:47,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 131. [2024-11-09 11:14:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 106 states have (on average 1.0471698113207548) internal successors, (111), 102 states have internal predecessors, (111), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (37), 17 states have call predecessors, (37), 14 states have call successors, (37) [2024-11-09 11:14:47,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 163 transitions. [2024-11-09 11:14:47,821 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 163 transitions. Word has length 459 [2024-11-09 11:14:47,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:47,821 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 163 transitions. [2024-11-09 11:14:47,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.545454545454546) internal successors, (183), 33 states have internal predecessors, (183), 29 states have call successors, (35), 3 states have call predecessors, (35), 11 states have return successors, (44), 18 states have call predecessors, (44), 28 states have call successors, (44) [2024-11-09 11:14:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 163 transitions. [2024-11-09 11:14:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-09 11:14:47,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:47,826 INFO L215 NwaCegarLoop]: trace histogram [32, 30, 26, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 14, 10, 6, 1, 1, 1, 1, 1] [2024-11-09 11:14:47,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:14:48,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:14:48,030 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:48,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:48,031 INFO L85 PathProgramCache]: Analyzing trace with hash -198377129, now seen corresponding path program 9 times [2024-11-09 11:14:48,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:48,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258183058] [2024-11-09 11:14:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:48,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:14:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-09 11:14:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 622 proven. 736 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2024-11-09 11:14:48,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:48,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258183058] [2024-11-09 11:14:48,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258183058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:48,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97030467] [2024-11-09 11:14:48,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:14:48,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:48,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:48,650 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:14:48,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:14:48,803 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-11-09 11:14:48,804 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:48,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:14:48,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 1890 proven. 173 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2024-11-09 11:14:48,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 583 proven. 538 refuted. 0 times theorem prover too weak. 2161 trivial. 0 not checked. [2024-11-09 11:14:49,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97030467] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:49,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:49,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 13] total 24 [2024-11-09 11:14:49,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418428172] [2024-11-09 11:14:49,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:49,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 11:14:49,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:49,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 11:14:49,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:14:49,671 INFO L87 Difference]: Start difference. First operand 131 states and 163 transitions. Second operand has 24 states, 24 states have (on average 5.583333333333333) internal successors, (134), 24 states have internal predecessors, (134), 13 states have call successors, (24), 2 states have call predecessors, (24), 10 states have return successors, (29), 19 states have call predecessors, (29), 13 states have call successors, (29) [2024-11-09 11:14:49,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:49,936 INFO L93 Difference]: Finished difference Result 244 states and 317 transitions. [2024-11-09 11:14:49,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:14:49,937 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.583333333333333) internal successors, (134), 24 states have internal predecessors, (134), 13 states have call successors, (24), 2 states have call predecessors, (24), 10 states have return successors, (29), 19 states have call predecessors, (29), 13 states have call successors, (29) Word has length 307 [2024-11-09 11:14:49,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:49,938 INFO L225 Difference]: With dead ends: 244 [2024-11-09 11:14:49,938 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 11:14:49,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 660 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=274, Invalid=718, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:14:49,940 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 81 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:49,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 163 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:14:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 11:14:49,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 107. [2024-11-09 11:14:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 86 states have (on average 1.0348837209302326) internal successors, (89), 84 states have internal predecessors, (89), 13 states have call successors, (13), 10 states have call predecessors, (13), 7 states have return successors, (26), 12 states have call predecessors, (26), 12 states have call successors, (26) [2024-11-09 11:14:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2024-11-09 11:14:49,949 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 307 [2024-11-09 11:14:49,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:49,950 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2024-11-09 11:14:49,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.583333333333333) internal successors, (134), 24 states have internal predecessors, (134), 13 states have call successors, (24), 2 states have call predecessors, (24), 10 states have return successors, (29), 19 states have call predecessors, (29), 13 states have call successors, (29) [2024-11-09 11:14:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2024-11-09 11:14:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2024-11-09 11:14:49,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:49,967 INFO L215 NwaCegarLoop]: trace histogram [79, 75, 64, 40, 40, 40, 40, 38, 38, 38, 38, 38, 37, 37, 37, 36, 24, 15, 1, 1, 1, 1, 1] [2024-11-09 11:14:49,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 11:14:50,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:14:50,172 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:50,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:50,172 INFO L85 PathProgramCache]: Analyzing trace with hash -532372824, now seen corresponding path program 10 times [2024-11-09 11:14:50,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:50,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089163012] [2024-11-09 11:14:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:50,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:50,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:14:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:14:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 11:14:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:14:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2024-11-09 11:14:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:14:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 20878 backedges. 1130 proven. 4059 refuted. 0 times theorem prover too weak. 15689 trivial. 0 not checked. [2024-11-09 11:14:51,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089163012] [2024-11-09 11:14:51,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089163012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:51,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917968317] [2024-11-09 11:14:51,528 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:14:51,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:51,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:51,530 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:14:51,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:14:51,741 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:14:51,742 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:51,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:14:51,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20878 backedges. 10417 proven. 2740 refuted. 0 times theorem prover too weak. 7721 trivial. 0 not checked. [2024-11-09 11:14:51,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:53,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20878 backedges. 1301 proven. 5036 refuted. 0 times theorem prover too weak. 14541 trivial. 0 not checked. [2024-11-09 11:14:53,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917968317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:53,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:53,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 24] total 34 [2024-11-09 11:14:53,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942622588] [2024-11-09 11:14:53,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:53,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-09 11:14:53,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:53,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-09 11:14:53,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 11:14:53,980 INFO L87 Difference]: Start difference. First operand 107 states and 128 transitions. Second operand has 34 states, 34 states have (on average 5.676470588235294) internal successors, (193), 34 states have internal predecessors, (193), 30 states have call successors, (37), 5 states have call predecessors, (37), 11 states have return successors, (44), 18 states have call predecessors, (44), 27 states have call successors, (44) [2024-11-09 11:14:54,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:54,440 INFO L93 Difference]: Finished difference Result 251 states and 328 transitions. [2024-11-09 11:14:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 11:14:54,441 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.676470588235294) internal successors, (193), 34 states have internal predecessors, (193), 30 states have call successors, (37), 5 states have call predecessors, (37), 11 states have return successors, (44), 18 states have call predecessors, (44), 27 states have call successors, (44) Word has length 759 [2024-11-09 11:14:54,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:54,442 INFO L225 Difference]: With dead ends: 251 [2024-11-09 11:14:54,444 INFO L226 Difference]: Without dead ends: 150 [2024-11-09 11:14:54,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1713 GetRequests, 1644 SyntacticMatches, 16 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=841, Invalid=2129, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 11:14:54,446 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 210 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:54,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 168 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:14:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-09 11:14:54,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 137. [2024-11-09 11:14:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 111 states have (on average 1.045045045045045) internal successors, (116), 108 states have internal predecessors, (116), 17 states have call successors, (17), 14 states have call predecessors, (17), 8 states have return successors, (38), 14 states have call predecessors, (38), 16 states have call successors, (38) [2024-11-09 11:14:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 171 transitions. [2024-11-09 11:14:54,457 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 171 transitions. Word has length 759 [2024-11-09 11:14:54,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:54,457 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 171 transitions. [2024-11-09 11:14:54,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.676470588235294) internal successors, (193), 34 states have internal predecessors, (193), 30 states have call successors, (37), 5 states have call predecessors, (37), 11 states have return successors, (44), 18 states have call predecessors, (44), 27 states have call successors, (44) [2024-11-09 11:14:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 171 transitions. [2024-11-09 11:14:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-09 11:14:54,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:54,459 INFO L215 NwaCegarLoop]: trace histogram [36, 34, 29, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 16, 11, 7, 1, 1, 1, 1, 1] [2024-11-09 11:14:54,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:14:54,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:14:54,664 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:54,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1715581029, now seen corresponding path program 11 times [2024-11-09 11:14:54,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:54,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518922075] [2024-11-09 11:14:54,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:54,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 11:14:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:14:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-09 11:14:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4199 backedges. 1004 proven. 816 refuted. 0 times theorem prover too weak. 2379 trivial. 0 not checked. [2024-11-09 11:14:55,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:55,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518922075] [2024-11-09 11:14:55,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518922075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:55,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462088672] [2024-11-09 11:14:55,421 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:14:55,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:55,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:55,423 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:14:55,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:14:55,611 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-09 11:14:55,611 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:14:55,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:14:55,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:14:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4199 backedges. 776 proven. 1171 refuted. 0 times theorem prover too weak. 2252 trivial. 0 not checked. [2024-11-09 11:14:55,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:14:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4199 backedges. 776 proven. 1235 refuted. 0 times theorem prover too weak. 2188 trivial. 0 not checked. [2024-11-09 11:14:57,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462088672] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:14:57,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:14:57,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 21] total 32 [2024-11-09 11:14:57,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219347187] [2024-11-09 11:14:57,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:14:57,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 11:14:57,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:14:57,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 11:14:57,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:14:57,156 INFO L87 Difference]: Start difference. First operand 137 states and 171 transitions. Second operand has 32 states, 32 states have (on average 5.15625) internal successors, (165), 32 states have internal predecessors, (165), 24 states have call successors, (30), 1 states have call predecessors, (30), 11 states have return successors, (40), 20 states have call predecessors, (40), 24 states have call successors, (40) [2024-11-09 11:14:57,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:14:57,610 INFO L93 Difference]: Finished difference Result 280 states and 365 transitions. [2024-11-09 11:14:57,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 11:14:57,611 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 5.15625) internal successors, (165), 32 states have internal predecessors, (165), 24 states have call successors, (30), 1 states have call predecessors, (30), 11 states have return successors, (40), 20 states have call predecessors, (40), 24 states have call successors, (40) Word has length 346 [2024-11-09 11:14:57,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:14:57,612 INFO L225 Difference]: With dead ends: 280 [2024-11-09 11:14:57,613 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 11:14:57,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 787 GetRequests, 737 SyntacticMatches, 10 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=459, Invalid=1263, Unknown=0, NotChecked=0, Total=1722 [2024-11-09 11:14:57,615 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 91 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:14:57,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 288 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:14:57,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 11:14:57,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 125. [2024-11-09 11:14:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 100 states have (on average 1.03) internal successors, (103), 99 states have internal predecessors, (103), 16 states have call successors, (16), 12 states have call predecessors, (16), 8 states have return successors, (35), 13 states have call predecessors, (35), 15 states have call successors, (35) [2024-11-09 11:14:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2024-11-09 11:14:57,624 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 154 transitions. Word has length 346 [2024-11-09 11:14:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:14:57,625 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 154 transitions. [2024-11-09 11:14:57,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.15625) internal successors, (165), 32 states have internal predecessors, (165), 24 states have call successors, (30), 1 states have call predecessors, (30), 11 states have return successors, (40), 20 states have call predecessors, (40), 24 states have call successors, (40) [2024-11-09 11:14:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2024-11-09 11:14:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-09 11:14:57,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:14:57,627 INFO L215 NwaCegarLoop]: trace histogram [41, 40, 33, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 13, 8, 1, 1, 1, 1, 1] [2024-11-09 11:14:57,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:14:57,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:57,831 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:14:57,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:14:57,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2034932484, now seen corresponding path program 12 times [2024-11-09 11:14:57,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:14:57,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316592422] [2024-11-09 11:14:57,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:14:57,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:14:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:14:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:14:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-09 11:14:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:14:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:14:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:14:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:14:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:14:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:14:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 820 proven. 1112 refuted. 0 times theorem prover too weak. 3696 trivial. 0 not checked. [2024-11-09 11:14:59,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:14:59,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316592422] [2024-11-09 11:14:59,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316592422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:14:59,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050815541] [2024-11-09 11:14:59,886 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 11:14:59,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:14:59,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:14:59,888 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:14:59,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:15:00,115 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2024-11-09 11:15:00,116 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:15:00,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-09 11:15:00,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:15:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 820 proven. 1112 refuted. 0 times theorem prover too weak. 3696 trivial. 0 not checked. [2024-11-09 11:15:00,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:15:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5628 backedges. 1149 proven. 1015 refuted. 0 times theorem prover too weak. 3464 trivial. 0 not checked. [2024-11-09 11:15:06,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050815541] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:15:06,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:15:06,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 29] total 40 [2024-11-09 11:15:06,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455717928] [2024-11-09 11:15:06,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:15:06,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-09 11:15:06,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:06,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-09 11:15:06,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 11:15:06,994 INFO L87 Difference]: Start difference. First operand 125 states and 154 transitions. Second operand has 41 states, 40 states have (on average 2.65) internal successors, (106), 41 states have internal predecessors, (106), 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) [2024-11-09 11:15:07,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:07,147 INFO L93 Difference]: Finished difference Result 156 states and 208 transitions. [2024-11-09 11:15:07,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 11:15:07,147 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.65) internal successors, (106), 41 states have internal predecessors, (106), 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 399 [2024-11-09 11:15:07,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:07,149 INFO L225 Difference]: With dead ends: 156 [2024-11-09 11:15:07,150 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 11:15:07,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 856 SyntacticMatches, 62 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2284 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=409, Invalid=1483, Unknown=0, NotChecked=0, Total=1892 [2024-11-09 11:15:07,151 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:07,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 258 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:15:07,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 11:15:07,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 146. [2024-11-09 11:15:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 117 states have (on average 1.0256410256410255) internal successors, (120), 115 states have internal predecessors, (120), 18 states have call successors, (18), 12 states have call predecessors, (18), 10 states have return successors, (55), 18 states have call predecessors, (55), 17 states have call successors, (55) [2024-11-09 11:15:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 193 transitions. [2024-11-09 11:15:07,164 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 193 transitions. Word has length 399 [2024-11-09 11:15:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:07,165 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 193 transitions. [2024-11-09 11:15:07,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.65) internal successors, (106), 41 states have internal predecessors, (106), 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) [2024-11-09 11:15:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 193 transitions. [2024-11-09 11:15:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-09 11:15:07,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:07,170 INFO L215 NwaCegarLoop]: trace histogram [83, 82, 67, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 40, 26, 16, 1, 1, 1, 1, 1] [2024-11-09 11:15:07,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:15:07,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:07,371 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:15:07,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:07,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1147088053, now seen corresponding path program 13 times [2024-11-09 11:15:07,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:07,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371684884] [2024-11-09 11:15:07,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:07,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:07,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:15:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 11:15:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2024-11-09 11:15:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 11:15:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2311 proven. 4942 refuted. 0 times theorem prover too weak. 16606 trivial. 0 not checked. [2024-11-09 11:15:09,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:09,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371684884] [2024-11-09 11:15:09,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371684884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:15:09,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176474963] [2024-11-09 11:15:09,072 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 11:15:09,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:09,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:15:09,075 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:15:09,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:15:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:09,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 11:15:09,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:15:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2645 proven. 5499 refuted. 0 times theorem prover too weak. 15715 trivial. 0 not checked. [2024-11-09 11:15:09,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:15:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2645 proven. 5667 refuted. 0 times theorem prover too weak. 15547 trivial. 0 not checked. [2024-11-09 11:15:13,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176474963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:15:13,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:15:13,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 19, 31] total 45 [2024-11-09 11:15:13,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417175809] [2024-11-09 11:15:13,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:15:13,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-09 11:15:13,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:13,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-09 11:15:13,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=1505, Unknown=0, NotChecked=0, Total=1980 [2024-11-09 11:15:13,122 INFO L87 Difference]: Start difference. First operand 146 states and 193 transitions. Second operand has 45 states, 45 states have (on average 5.111111111111111) internal successors, (230), 45 states have internal predecessors, (230), 39 states have call successors, (43), 1 states have call predecessors, (43), 15 states have return successors, (62), 26 states have call predecessors, (62), 39 states have call successors, (62) [2024-11-09 11:15:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:13,745 INFO L93 Difference]: Finished difference Result 338 states and 490 transitions. [2024-11-09 11:15:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 11:15:13,746 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 5.111111111111111) internal successors, (230), 45 states have internal predecessors, (230), 39 states have call successors, (43), 1 states have call predecessors, (43), 15 states have return successors, (62), 26 states have call predecessors, (62), 39 states have call successors, (62) Word has length 811 [2024-11-09 11:15:13,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:13,750 INFO L225 Difference]: With dead ends: 338 [2024-11-09 11:15:13,750 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 11:15:13,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1838 GetRequests, 1754 SyntacticMatches, 15 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1957 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1230, Invalid=3740, Unknown=0, NotChecked=0, Total=4970 [2024-11-09 11:15:13,755 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 495 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:13,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 240 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:15:13,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 11:15:13,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 185. [2024-11-09 11:15:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 150 states have (on average 1.0333333333333334) internal successors, (155), 146 states have internal predecessors, (155), 23 states have call successors, (23), 17 states have call predecessors, (23), 11 states have return successors, (64), 21 states have call predecessors, (64), 22 states have call successors, (64) [2024-11-09 11:15:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 242 transitions. [2024-11-09 11:15:13,772 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 242 transitions. Word has length 811 [2024-11-09 11:15:13,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:13,774 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 242 transitions. [2024-11-09 11:15:13,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.111111111111111) internal successors, (230), 45 states have internal predecessors, (230), 39 states have call successors, (43), 1 states have call predecessors, (43), 15 states have return successors, (62), 26 states have call predecessors, (62), 39 states have call successors, (62) [2024-11-09 11:15:13,774 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 242 transitions. [2024-11-09 11:15:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-09 11:15:13,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:13,779 INFO L215 NwaCegarLoop]: trace histogram [83, 82, 67, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 40, 26, 16, 1, 1, 1, 1, 1] [2024-11-09 11:15:13,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:15:13,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:13,981 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:15:13,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:13,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1430890231, now seen corresponding path program 14 times [2024-11-09 11:15:13,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:13,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646007906] [2024-11-09 11:15:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:13,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:14,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:15:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:14,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:14,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 11:15:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-09 11:15:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2024-11-09 11:15:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2376 proven. 4185 refuted. 0 times theorem prover too weak. 17298 trivial. 0 not checked. [2024-11-09 11:15:15,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:15,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646007906] [2024-11-09 11:15:15,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646007906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:15:15,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383154351] [2024-11-09 11:15:15,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:15:15,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:15,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:15:15,522 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:15:15,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:15:15,895 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:15:15,895 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:15:15,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:15:15,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:15:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 12210 proven. 2667 refuted. 0 times theorem prover too weak. 8982 trivial. 0 not checked. [2024-11-09 11:15:16,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:15:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 23859 backedges. 2246 proven. 5308 refuted. 0 times theorem prover too weak. 16305 trivial. 0 not checked. [2024-11-09 11:15:19,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383154351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:15:19,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:15:19,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 27] total 39 [2024-11-09 11:15:19,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854771972] [2024-11-09 11:15:19,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:15:19,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-09 11:15:19,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:19,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-09 11:15:19,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1120, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 11:15:19,178 INFO L87 Difference]: Start difference. First operand 185 states and 242 transitions. Second operand has 39 states, 39 states have (on average 5.435897435897436) internal successors, (212), 39 states have internal predecessors, (212), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) [2024-11-09 11:15:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:19,621 INFO L93 Difference]: Finished difference Result 364 states and 493 transitions. [2024-11-09 11:15:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 11:15:19,622 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 5.435897435897436) internal successors, (212), 39 states have internal predecessors, (212), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) Word has length 811 [2024-11-09 11:15:19,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:19,624 INFO L225 Difference]: With dead ends: 364 [2024-11-09 11:15:19,624 INFO L226 Difference]: Without dead ends: 185 [2024-11-09 11:15:19,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1820 GetRequests, 1758 SyntacticMatches, 13 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=662, Invalid=1888, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 11:15:19,627 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 129 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:19,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 321 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:15:19,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-09 11:15:19,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 149. [2024-11-09 11:15:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 120 states have (on average 1.025) internal successors, (123), 118 states have internal predecessors, (123), 19 states have call successors, (19), 14 states have call predecessors, (19), 9 states have return successors, (45), 16 states have call predecessors, (45), 18 states have call successors, (45) [2024-11-09 11:15:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 187 transitions. [2024-11-09 11:15:19,638 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 187 transitions. Word has length 811 [2024-11-09 11:15:19,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:19,639 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 187 transitions. [2024-11-09 11:15:19,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.435897435897436) internal successors, (212), 39 states have internal predecessors, (212), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) [2024-11-09 11:15:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 187 transitions. [2024-11-09 11:15:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1584 [2024-11-09 11:15:19,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:19,654 INFO L215 NwaCegarLoop]: trace histogram [163, 159, 132, 82, 82, 82, 82, 80, 80, 80, 80, 80, 79, 79, 79, 78, 50, 31, 1, 1, 1, 1, 1] [2024-11-09 11:15:19,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:15:19,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:19,855 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:15:19,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:19,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1665955938, now seen corresponding path program 15 times [2024-11-09 11:15:19,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:19,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165865652] [2024-11-09 11:15:19,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:20,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:15:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 11:15:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-09 11:15:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2024-11-09 11:15:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:21,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 11:15:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-09 11:15:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2024-11-09 11:15:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:15:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:15:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:15:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:15:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:15:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 11:15:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 92020 backedges. 5682 proven. 13085 refuted. 0 times theorem prover too weak. 73253 trivial. 0 not checked. [2024-11-09 11:15:22,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:22,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165865652] [2024-11-09 11:15:22,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165865652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:15:22,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188051115] [2024-11-09 11:15:22,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:15:22,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:22,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:15:22,544 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:15:22,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:15:23,078 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 67 check-sat command(s) [2024-11-09 11:15:23,078 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:15:23,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 185 conjuncts are in the unsatisfiable core [2024-11-09 11:15:23,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:15:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 92020 backedges. 27952 proven. 5707 refuted. 0 times theorem prover too weak. 58361 trivial. 0 not checked. [2024-11-09 11:15:24,029 INFO L311 TraceCheckSpWp]: Computing backward predicates...