./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/Fibonacci03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/recursive/Fibonacci03.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be0a584ba9648c80e7a0523ff51ba530f1926c55cecd3c62f2cee05fbbff42e3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:11:41,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:11:41,895 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:11:41,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:11:41,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:11:41,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:11:41,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:11:41,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:11:41,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:11:41,935 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:11:41,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:11:41,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:11:41,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:11:41,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:11:41,937 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:11:41,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:11:41,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:11:41,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:11:41,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:11:41,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:11:41,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:11:41,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:11:41,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:11:41,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:11:41,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:11:41,946 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:11:41,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:11:41,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:11:41,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:11:41,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:11:41,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:11:41,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:11:41,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:11:41,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:11:41,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:11:41,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:11:41,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:11:41,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:11:41,949 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:11:41,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:11:41,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:11:41,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:11:41,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:11:41,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:11:41,952 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0a584ba9648c80e7a0523ff51ba530f1926c55cecd3c62f2cee05fbbff42e3 [2024-11-09 12:11:42,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:11:42,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:11:42,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:11:42,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:11:42,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:11:42,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Fibonacci03.c [2024-11-09 12:11:43,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:11:43,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:11:43,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.c [2024-11-09 12:11:43,975 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/973fca52f/0d756bf23f0648df9b167b1d827ee06c/FLAG9e3269715 [2024-11-09 12:11:43,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/973fca52f/0d756bf23f0648df9b167b1d827ee06c [2024-11-09 12:11:43,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:11:43,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:11:43,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:11:43,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:11:43,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:11:44,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:43" (1/1) ... [2024-11-09 12:11:44,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478767a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44, skipping insertion in model container [2024-11-09 12:11:44,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:43" (1/1) ... [2024-11-09 12:11:44,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:11:44,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:11:44,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:11:44,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:11:44,259 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:11:44,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44 WrapperNode [2024-11-09 12:11:44,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:11:44,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:11:44,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:11:44,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:11:44,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,303 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-09 12:11:44,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:11:44,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:11:44,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:11:44,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:11:44,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,336 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 12:11:44,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:11:44,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:11:44,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:11:44,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:11:44,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (1/1) ... [2024-11-09 12:11:44,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:11:44,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:44,390 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 12:11:44,393 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 12:11:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-11-09 12:11:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-11-09 12:11:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:11:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:11:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:11:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:11:44,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:11:44,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:11:44,670 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-09 12:11:44,670 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:11:44,689 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:11:44,690 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 12:11:44,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:44 BoogieIcfgContainer [2024-11-09 12:11:44,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:11:44,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:11:44,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:11:44,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:11:44,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:11:43" (1/3) ... [2024-11-09 12:11:44,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be3dc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:11:44, skipping insertion in model container [2024-11-09 12:11:44,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44" (2/3) ... [2024-11-09 12:11:44,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be3dc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:11:44, skipping insertion in model container [2024-11-09 12:11:44,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:44" (3/3) ... [2024-11-09 12:11:44,705 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2024-11-09 12:11:44,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:11:44,723 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 12:11:44,797 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:11:44,803 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;@63ba9943, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:11:44,803 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 12:11:44,807 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 12:11:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 12:11:44,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:44,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:44,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:44,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:44,819 INFO L85 PathProgramCache]: Analyzing trace with hash 629029755, now seen corresponding path program 1 times [2024-11-09 12:11:44,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:44,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390977963] [2024-11-09 12:11:44,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:44,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:45,007 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 12:11:45,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:45,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390977963] [2024-11-09 12:11:45,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390977963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:45,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:45,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:11:45,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937295506] [2024-11-09 12:11:45,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:45,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:11:45,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:45,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:11:45,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:45,065 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 12:11:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:45,107 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2024-11-09 12:11:45,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:11:45,110 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 12:11:45,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:45,116 INFO L225 Difference]: With dead ends: 37 [2024-11-09 12:11:45,117 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 12:11:45,119 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 12:11:45,123 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 12:11:45,124 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 12:11:45,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 12:11:45,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-11-09 12:11:45,158 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 12:11:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-09 12:11:45,160 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 8 [2024-11-09 12:11:45,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:45,161 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-09 12:11:45,161 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 12:11:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-09 12:11:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:11:45,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:45,163 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:45,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:11:45,163 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:45,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:45,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1974914033, now seen corresponding path program 1 times [2024-11-09 12:11:45,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:45,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820764402] [2024-11-09 12:11:45,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:45,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:45,270 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 12:11:45,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:45,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820764402] [2024-11-09 12:11:45,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820764402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:45,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:45,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:11:45,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907526963] [2024-11-09 12:11:45,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:45,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:45,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:45,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:45,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:45,274 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) 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 12:11:45,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:45,357 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-09 12:11:45,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:11:45,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) 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 12:11:45,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:45,358 INFO L225 Difference]: With dead ends: 25 [2024-11-09 12:11:45,358 INFO L226 Difference]: Without dead ends: 23 [2024-11-09 12:11:45,359 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 12:11:45,362 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 26 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:45,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 32 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:11:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-09 12:11:45,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-11-09 12:11:45,372 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 12:11:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-09 12:11:45,374 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 9 [2024-11-09 12:11:45,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:45,374 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-09 12:11:45,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) 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 12:11:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-09 12:11:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 12:11:45,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:45,377 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 12:11:45,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:11:45,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:45,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:45,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1558234811, now seen corresponding path program 1 times [2024-11-09 12:11:45,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134272306] [2024-11-09 12:11:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:45,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:45,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 12:11:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:45,658 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 12:11:45,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:45,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134272306] [2024-11-09 12:11:45,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134272306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:45,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:45,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:11:45,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76101094] [2024-11-09 12:11:45,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:45,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:45,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:45,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:45,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:45,661 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 12:11:45,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:45,696 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-11-09 12:11:45,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:11:45,697 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 12:11:45,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:45,698 INFO L225 Difference]: With dead ends: 35 [2024-11-09 12:11:45,699 INFO L226 Difference]: Without dead ends: 33 [2024-11-09 12:11:45,699 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 12:11:45,701 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 12:11:45,703 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 12:11:45,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-09 12:11:45,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2024-11-09 12:11:45,711 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 12:11:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2024-11-09 12:11:45,713 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 24 [2024-11-09 12:11:45,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:45,713 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-09 12:11:45,713 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 12:11:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-09 12:11:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 12:11:45,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:45,715 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 12:11:45,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:11:45,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:45,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash 171916151, now seen corresponding path program 1 times [2024-11-09 12:11:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:45,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678103478] [2024-11-09 12:11:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:45,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:11:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:45,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 12:11:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:45,941 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 12:11:45,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:45,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678103478] [2024-11-09 12:11:45,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678103478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:45,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464657503] [2024-11-09 12:11:45,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:45,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:45,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:45,945 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 12:11:45,948 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 12:11:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:46,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:11:46,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:46,140 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 12:11:46,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:46,374 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 12:11:46,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464657503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:46,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:46,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-11-09 12:11:46,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946536408] [2024-11-09 12:11:46,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:46,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 12:11:46,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:46,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 12:11:46,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:11:46,382 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 12:11:46,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:46,708 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2024-11-09 12:11:46,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:11:46,709 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 12:11:46,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:46,712 INFO L225 Difference]: With dead ends: 91 [2024-11-09 12:11:46,713 INFO L226 Difference]: Without dead ends: 65 [2024-11-09 12:11:46,717 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 12:11:46,718 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 150 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 12:11:46,718 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 12:11:46,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-09 12:11:46,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 53. [2024-11-09 12:11:46,739 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 12:11:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2024-11-09 12:11:46,741 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 31 [2024-11-09 12:11:46,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:46,741 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2024-11-09 12:11:46,742 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 12:11:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2024-11-09 12:11:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 12:11:46,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:46,743 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 12:11:46,758 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 12:11:46,944 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 12:11:46,945 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:46,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:46,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1070767867, now seen corresponding path program 2 times [2024-11-09 12:11:46,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:46,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416754308] [2024-11-09 12:11:46,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:46,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:47,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 12:11:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:47,103 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 12:11:47,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:47,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416754308] [2024-11-09 12:11:47,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416754308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:47,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495718097] [2024-11-09 12:11:47,106 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:11:47,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:47,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:47,110 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 12:11:47,111 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 12:11:47,152 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:11:47,153 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:47,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:11:47,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:47,212 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 12:11:47,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:11:47,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495718097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:47,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:11:47,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 12:11:47,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485107785] [2024-11-09 12:11:47,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:47,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:47,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:47,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:47,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:11:47,215 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 12:11:47,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:47,249 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2024-11-09 12:11:47,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:11:47,249 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 12:11:47,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:47,250 INFO L225 Difference]: With dead ends: 60 [2024-11-09 12:11:47,251 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 12:11:47,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:11:47,252 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 12:11:47,252 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 12:11:47,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 12:11:47,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-11-09 12:11:47,263 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 12:11:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2024-11-09 12:11:47,265 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 25 [2024-11-09 12:11:47,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:47,265 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2024-11-09 12:11:47,266 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 12:11:47,266 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2024-11-09 12:11:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 12:11:47,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:47,267 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 12:11:47,284 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 12:11:47,467 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 12:11:47,468 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:47,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:47,468 INFO L85 PathProgramCache]: Analyzing trace with hash 999341253, now seen corresponding path program 1 times [2024-11-09 12:11:47,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:47,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546432966] [2024-11-09 12:11:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:47,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:47,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:11:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:47,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 12:11:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:47,604 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 12:11:47,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:47,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546432966] [2024-11-09 12:11:47,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546432966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:47,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941358441] [2024-11-09 12:11:47,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:47,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:47,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:47,609 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 12:11:47,611 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 12:11:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:47,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:11:47,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:47,717 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 12:11:47,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:11:47,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941358441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:47,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:11:47,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 12:11:47,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016674253] [2024-11-09 12:11:47,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:47,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:11:47,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:47,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:11:47,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:11:47,720 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 12:11:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:47,762 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2024-11-09 12:11:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:47,763 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 12:11:47,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:47,765 INFO L225 Difference]: With dead ends: 82 [2024-11-09 12:11:47,765 INFO L226 Difference]: Without dead ends: 81 [2024-11-09 12:11:47,766 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 12:11:47,769 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 12:11:47,769 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 12:11:47,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-09 12:11:47,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 64. [2024-11-09 12:11:47,792 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 12:11:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 87 transitions. [2024-11-09 12:11:47,794 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 87 transitions. Word has length 32 [2024-11-09 12:11:47,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:47,794 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 87 transitions. [2024-11-09 12:11:47,795 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 12:11:47,795 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2024-11-09 12:11:47,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 12:11:47,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:47,799 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 12:11:47,817 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 12:11:48,000 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 12:11:48,001 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:48,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:48,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1613174786, now seen corresponding path program 1 times [2024-11-09 12:11:48,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:48,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506063829] [2024-11-09 12:11:48,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:48,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:48,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:11:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:48,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:48,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 12:11:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:48,283 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 12:11:48,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:48,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506063829] [2024-11-09 12:11:48,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506063829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652152840] [2024-11-09 12:11:48,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:48,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:48,292 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 12:11:48,295 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 12:11:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:48,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:11:48,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:48,423 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 12:11:48,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:48,625 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 12:11:48,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652152840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:48,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:48,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-09 12:11:48,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468725113] [2024-11-09 12:11:48,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:48,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 12:11:48,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:48,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 12:11:48,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:11:48,631 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 12:11:48,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:48,762 INFO L93 Difference]: Finished difference Result 127 states and 197 transitions. [2024-11-09 12:11:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:11:48,763 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 12:11:48,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:48,768 INFO L225 Difference]: With dead ends: 127 [2024-11-09 12:11:48,771 INFO L226 Difference]: Without dead ends: 126 [2024-11-09 12:11:48,772 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 12:11:48,772 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 10 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:48,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 118 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-09 12:11:48,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 98. [2024-11-09 12:11:48,800 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 12:11:48,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 159 transitions. [2024-11-09 12:11:48,803 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 159 transitions. Word has length 52 [2024-11-09 12:11:48,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:48,803 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 159 transitions. [2024-11-09 12:11:48,803 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 12:11:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 159 transitions. [2024-11-09 12:11:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 12:11:48,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:48,810 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 12:11:48,826 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 12:11:49,011 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 12:11:49,011 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:49,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:49,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1050980669, now seen corresponding path program 1 times [2024-11-09 12:11:49,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:49,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618393608] [2024-11-09 12:11:49,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:49,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:49,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:11:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:49,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:49,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:49,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 12:11:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:11:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:49,201 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 12:11:49,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:49,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618393608] [2024-11-09 12:11:49,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618393608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:49,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040183091] [2024-11-09 12:11:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:49,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:49,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:49,204 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 12:11:49,206 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 12:11:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:49,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:11:49,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:49,344 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 12:11:49,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:49,554 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 12:11:49,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040183091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:49,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:49,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 5] total 18 [2024-11-09 12:11:49,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909029420] [2024-11-09 12:11:49,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:49,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 12:11:49,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:49,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 12:11:49,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-09 12:11:49,557 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 12:11:50,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:50,095 INFO L93 Difference]: Finished difference Result 255 states and 502 transitions. [2024-11-09 12:11:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 12:11:50,096 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 12:11:50,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:50,098 INFO L225 Difference]: With dead ends: 255 [2024-11-09 12:11:50,098 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 12:11:50,103 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 12:11:50,104 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 12:11:50,104 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 12:11:50,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 12:11:50,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 103. [2024-11-09 12:11:50,127 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 12:11:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 171 transitions. [2024-11-09 12:11:50,129 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 171 transitions. Word has length 69 [2024-11-09 12:11:50,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:50,130 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 171 transitions. [2024-11-09 12:11:50,130 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 12:11:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2024-11-09 12:11:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-09 12:11:50,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:50,134 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 12:11:50,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:50,334 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 12:11:50,335 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:50,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:50,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2044509219, now seen corresponding path program 2 times [2024-11-09 12:11:50,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:50,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088477275] [2024-11-09 12:11:50,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:50,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 12:11:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:11:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 12:11:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 12:11:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:50,796 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 12:11:50,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:50,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088477275] [2024-11-09 12:11:50,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088477275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:50,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634380372] [2024-11-09 12:11:50,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:11:50,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:50,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:50,800 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 12:11:50,801 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 12:11:50,892 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:11:50,892 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:50,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:11:50,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:51,047 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 12:11:51,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:51,679 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 12:11:51,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634380372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:51,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:51,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 14] total 21 [2024-11-09 12:11:51,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999014637] [2024-11-09 12:11:51,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:51,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 12:11:51,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:51,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 12:11:51,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-09 12:11:51,682 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 12:11:51,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:51,889 INFO L93 Difference]: Finished difference Result 204 states and 359 transitions. [2024-11-09 12:11:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 12:11:51,889 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 12:11:51,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:51,891 INFO L225 Difference]: With dead ends: 204 [2024-11-09 12:11:51,891 INFO L226 Difference]: Without dead ends: 105 [2024-11-09 12:11:51,897 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 12:11:51,898 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 12:11:51,898 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 12:11:51,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-09 12:11:51,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 94. [2024-11-09 12:11:51,919 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 12:11:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2024-11-09 12:11:51,922 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 177 [2024-11-09 12:11:51,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:51,922 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2024-11-09 12:11:51,923 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 12:11:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2024-11-09 12:11:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 12:11:51,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:51,925 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 12:11:51,943 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 12:11:52,126 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 12:11:52,126 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:52,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:52,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1405523298, now seen corresponding path program 3 times [2024-11-09 12:11:52,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:52,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026842355] [2024-11-09 12:11:52,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:52,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 12:11:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,217 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 12:11:52,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:52,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026842355] [2024-11-09 12:11:52,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026842355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:52,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:52,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:11:52,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949432504] [2024-11-09 12:11:52,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:52,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:52,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:52,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:52,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:52,220 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 12:11:52,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:52,241 INFO L93 Difference]: Finished difference Result 101 states and 135 transitions. [2024-11-09 12:11:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:11:52,242 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 12:11:52,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:52,243 INFO L225 Difference]: With dead ends: 101 [2024-11-09 12:11:52,243 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 12:11:52,244 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 12:11:52,244 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 12:11:52,245 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 12:11:52,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 12:11:52,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 94. [2024-11-09 12:11:52,257 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 12:11:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2024-11-09 12:11:52,259 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 85 [2024-11-09 12:11:52,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:52,260 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2024-11-09 12:11:52,260 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 12:11:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2024-11-09 12:11:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 12:11:52,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:52,261 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 12:11:52,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:11:52,262 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:52,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:52,262 INFO L85 PathProgramCache]: Analyzing trace with hash -379820228, now seen corresponding path program 4 times [2024-11-09 12:11:52,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:52,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36526609] [2024-11-09 12:11:52,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:52,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:11:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 12:11:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:52,477 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 12:11:52,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:52,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36526609] [2024-11-09 12:11:52,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36526609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:52,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265007335] [2024-11-09 12:11:52,478 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 12:11:52,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:52,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:52,480 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 12:11:52,481 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 12:11:52,527 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 12:11:52,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:52,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 12:11:52,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:52,608 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 12:11:52,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:53,028 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 12:11:53,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265007335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:53,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:53,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 11] total 17 [2024-11-09 12:11:53,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397509301] [2024-11-09 12:11:53,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:53,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 12:11:53,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:53,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 12:11:53,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:11:53,031 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 12:11:53,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:53,146 INFO L93 Difference]: Finished difference Result 157 states and 219 transitions. [2024-11-09 12:11:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:11:53,147 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 12:11:53,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:53,148 INFO L225 Difference]: With dead ends: 157 [2024-11-09 12:11:53,148 INFO L226 Difference]: Without dead ends: 67 [2024-11-09 12:11:53,149 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 12:11:53,149 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 12:11:53,150 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 12:11:53,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-09 12:11:53,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2024-11-09 12:11:53,162 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 12:11:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2024-11-09 12:11:53,163 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 92 [2024-11-09 12:11:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:53,164 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2024-11-09 12:11:53,164 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 12:11:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2024-11-09 12:11:53,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 12:11:53,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:53,168 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 12:11:53,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:53,368 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 12:11:53,369 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:53,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:53,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1463816598, now seen corresponding path program 5 times [2024-11-09 12:11:53,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:53,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521637367] [2024-11-09 12:11:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:11:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 12:11:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:53,682 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 12:11:53,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:53,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521637367] [2024-11-09 12:11:53,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521637367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:53,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904163832] [2024-11-09 12:11:53,683 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 12:11:53,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:53,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:53,685 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 12:11:53,686 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 12:11:53,755 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-09 12:11:53,755 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:53,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:11:53,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:53,868 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 12:11:53,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:54,366 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 12:11:54,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904163832] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:54,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:54,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 20 [2024-11-09 12:11:54,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144152328] [2024-11-09 12:11:54,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:54,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 12:11:54,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:54,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 12:11:54,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:11:54,370 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 12:11:54,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:54,575 INFO L93 Difference]: Finished difference Result 132 states and 157 transitions. [2024-11-09 12:11:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:11:54,576 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 12:11:54,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:54,577 INFO L225 Difference]: With dead ends: 132 [2024-11-09 12:11:54,577 INFO L226 Difference]: Without dead ends: 73 [2024-11-09 12:11:54,578 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 12:11:54,579 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 51 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:54,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 123 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:54,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-09 12:11:54,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2024-11-09 12:11:54,584 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 12:11:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 81 transitions. [2024-11-09 12:11:54,585 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 81 transitions. Word has length 130 [2024-11-09 12:11:54,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:54,586 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 81 transitions. [2024-11-09 12:11:54,586 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 12:11:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2024-11-09 12:11:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 12:11:54,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:54,588 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 12:11:54,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:11:54,788 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 12:11:54,789 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:54,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:54,790 INFO L85 PathProgramCache]: Analyzing trace with hash -728266247, now seen corresponding path program 6 times [2024-11-09 12:11:54,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:54,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393791688] [2024-11-09 12:11:54,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:54,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:11:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 12:11:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:55,407 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 12:11:55,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393791688] [2024-11-09 12:11:55,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393791688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405018536] [2024-11-09 12:11:55,409 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 12:11:55,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:55,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:55,411 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 12:11:55,413 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 12:11:55,492 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-11-09 12:11:55,492 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:55,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 12:11:55,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:55,694 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 12:11:55,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:56,951 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 12:11:56,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405018536] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:56,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:56,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 17] total 26 [2024-11-09 12:11:56,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412719907] [2024-11-09 12:11:56,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:56,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 12:11:56,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:56,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 12:11:56,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2024-11-09 12:11:56,956 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 12:11:57,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:57,145 INFO L93 Difference]: Finished difference Result 117 states and 156 transitions. [2024-11-09 12:11:57,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 12:11:57,145 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 12:11:57,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:57,147 INFO L225 Difference]: With dead ends: 117 [2024-11-09 12:11:57,147 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 12:11:57,148 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 12:11:57,149 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:57,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 175 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:57,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 12:11:57,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2024-11-09 12:11:57,161 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 12:11:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 129 transitions. [2024-11-09 12:11:57,163 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 129 transitions. Word has length 150 [2024-11-09 12:11:57,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:57,163 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 129 transitions. [2024-11-09 12:11:57,163 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 12:11:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2024-11-09 12:11:57,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-09 12:11:57,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:57,170 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 12:11:57,188 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 12:11:57,370 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 12:11:57,371 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:11:57,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:57,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1326333035, now seen corresponding path program 7 times [2024-11-09 12:11:57,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:57,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886859262] [2024-11-09 12:11:57,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:57,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:57,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 12:11:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:11:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:11:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:11:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:11:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:11:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:11:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,291 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 12:11:58,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886859262] [2024-11-09 12:11:58,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886859262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220970831] [2024-11-09 12:11:58,292 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 12:11:58,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:58,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:58,294 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 12:11:58,298 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 12:11:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:58,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 12:11:58,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:58,673 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 12:11:58,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:59,980 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 12:11:59,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220970831] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:59,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:59,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 19] total 29 [2024-11-09 12:11:59,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753771873] [2024-11-09 12:11:59,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:59,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-09 12:11:59,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-09 12:11:59,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2024-11-09 12:11:59,984 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 12:12:00,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:12:00,283 INFO L93 Difference]: Finished difference Result 214 states and 308 transitions. [2024-11-09 12:12:00,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 12:12:00,284 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 12:12:00,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:12:00,287 INFO L225 Difference]: With dead ends: 214 [2024-11-09 12:12:00,287 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 12:12:00,290 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 12:12:00,290 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 191 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:12:00,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 142 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:12:00,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 12:12:00,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 104. [2024-11-09 12:12:00,301 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 12:12:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2024-11-09 12:12:00,302 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 379 [2024-11-09 12:12:00,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:12:00,303 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2024-11-09 12:12:00,303 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 12:12:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-09 12:12:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-11-09 12:12:00,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:12:00,311 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 12:12:00,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:12:00,515 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 12:12:00,516 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:12:00,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:12:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1499990629, now seen corresponding path program 8 times [2024-11-09 12:12:00,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:12:00,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698925652] [2024-11-09 12:12:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:12:00,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:12:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:00,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:12:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:00,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 12:12:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-09 12:12:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:01,405 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 12:12:01,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:01,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698925652] [2024-11-09 12:12:01,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698925652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591785543] [2024-11-09 12:12:01,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:12:01,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:01,408 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 12:12:01,409 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 12:12:01,597 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:12:01,598 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:12:01,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 12:12:01,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:01,819 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 12:12:01,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:12:03,332 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 12:12:03,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591785543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:12:03,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:12:03,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 22] total 33 [2024-11-09 12:12:03,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546880828] [2024-11-09 12:12:03,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:12:03,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 12:12:03,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:12:03,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 12:12:03,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=796, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 12:12:03,337 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 12:12:03,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:12:03,696 INFO L93 Difference]: Finished difference Result 245 states and 334 transitions. [2024-11-09 12:12:03,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 12:12:03,697 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 12:12:03,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:12:03,699 INFO L225 Difference]: With dead ends: 245 [2024-11-09 12:12:03,699 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 12:12:03,701 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 12:12:03,702 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 175 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:12:03,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 163 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:12:03,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 12:12:03,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 131. [2024-11-09 12:12:03,711 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 12:12:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 163 transitions. [2024-11-09 12:12:03,712 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 163 transitions. Word has length 459 [2024-11-09 12:12:03,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:12:03,713 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 163 transitions. [2024-11-09 12:12:03,713 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 12:12:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 163 transitions. [2024-11-09 12:12:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-09 12:12:03,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:12:03,717 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 12:12:03,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:12:03,921 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 12:12:03,922 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:12:03,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:12:03,922 INFO L85 PathProgramCache]: Analyzing trace with hash -198377129, now seen corresponding path program 9 times [2024-11-09 12:12:03,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:12:03,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054867353] [2024-11-09 12:12:03,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:12:03,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:12:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:12:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-09 12:12:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:04,508 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 12:12:04,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:04,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054867353] [2024-11-09 12:12:04,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054867353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:04,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874529848] [2024-11-09 12:12:04,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:12:04,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:04,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:04,511 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 12:12:04,513 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 12:12:04,681 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-11-09 12:12:04,681 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:12:04,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:12:04,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:04,785 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 12:12:04,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:12:05,529 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 12:12:05,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874529848] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:12:05,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:12:05,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 13] total 24 [2024-11-09 12:12:05,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777928996] [2024-11-09 12:12:05,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:12:05,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:12:05,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:12:05,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:12:05,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:12:05,535 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 12:12:05,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:12:05,778 INFO L93 Difference]: Finished difference Result 244 states and 317 transitions. [2024-11-09 12:12:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 12:12:05,779 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 12:12:05,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:12:05,781 INFO L225 Difference]: With dead ends: 244 [2024-11-09 12:12:05,781 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 12:12:05,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 660 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=274, Invalid=718, Unknown=0, NotChecked=0, Total=992 [2024-11-09 12:12:05,784 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 81 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:12:05,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 163 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:12:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 12:12:05,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 107. [2024-11-09 12:12:05,792 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 12:12:05,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2024-11-09 12:12:05,793 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 307 [2024-11-09 12:12:05,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:12:05,793 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2024-11-09 12:12:05,794 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 12:12:05,794 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2024-11-09 12:12:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2024-11-09 12:12:05,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:12:05,799 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 12:12:05,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 12:12:06,002 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 12:12:06,003 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:12:06,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:12:06,003 INFO L85 PathProgramCache]: Analyzing trace with hash -532372824, now seen corresponding path program 10 times [2024-11-09 12:12:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:12:06,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010837395] [2024-11-09 12:12:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:12:06,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:12:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:12:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:06,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:06,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 12:12:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2024-11-09 12:12:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:07,469 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 12:12:07,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:07,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010837395] [2024-11-09 12:12:07,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010837395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:07,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884377732] [2024-11-09 12:12:07,470 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 12:12:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:07,472 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 12:12:07,474 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 12:12:07,680 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 12:12:07,680 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:12:07,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 12:12:07,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:07,941 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 12:12:07,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:12:09,908 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 12:12:09,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884377732] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:12:09,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:12:09,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 24] total 34 [2024-11-09 12:12:09,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268724410] [2024-11-09 12:12:09,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:12:09,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-09 12:12:09,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:12:09,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-09 12:12:09,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 12:12:09,913 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 12:12:10,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:12:10,337 INFO L93 Difference]: Finished difference Result 251 states and 328 transitions. [2024-11-09 12:12:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 12:12:10,338 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 12:12:10,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:12:10,342 INFO L225 Difference]: With dead ends: 251 [2024-11-09 12:12:10,342 INFO L226 Difference]: Without dead ends: 150 [2024-11-09 12:12:10,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1713 GetRequests, 1644 SyntacticMatches, 16 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=841, Invalid=2129, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 12:12:10,345 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 210 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:12:10,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 168 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:12:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-09 12:12:10,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 137. [2024-11-09 12:12:10,355 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 12:12:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 171 transitions. [2024-11-09 12:12:10,357 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 171 transitions. Word has length 759 [2024-11-09 12:12:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:12:10,358 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 171 transitions. [2024-11-09 12:12:10,359 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 12:12:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 171 transitions. [2024-11-09 12:12:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-09 12:12:10,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:12:10,361 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 12:12:10,379 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 12:12:10,564 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 12:12:10,565 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:12:10,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:12:10,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1715581029, now seen corresponding path program 11 times [2024-11-09 12:12:10,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:12:10,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529298807] [2024-11-09 12:12:10,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:12:10,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:12:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:10,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:12:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:10,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:10,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-09 12:12:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:11,298 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 12:12:11,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:11,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529298807] [2024-11-09 12:12:11,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529298807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:11,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069137588] [2024-11-09 12:12:11,299 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 12:12:11,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:11,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:11,301 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 12:12:11,303 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 12:12:11,466 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-09 12:12:11,466 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:12:11,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 12:12:11,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:11,639 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 12:12:11,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:12:12,993 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 12:12:12,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069137588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:12:12,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:12:12,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 21] total 32 [2024-11-09 12:12:12,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232247082] [2024-11-09 12:12:12,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:12:12,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 12:12:12,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:12:12,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 12:12:12,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2024-11-09 12:12:12,996 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 12:12:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:12:13,429 INFO L93 Difference]: Finished difference Result 280 states and 365 transitions. [2024-11-09 12:12:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 12:12:13,430 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 12:12:13,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:12:13,432 INFO L225 Difference]: With dead ends: 280 [2024-11-09 12:12:13,432 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 12:12:13,434 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 12:12:13,434 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 91 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:12:13,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 288 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:12:13,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 12:12:13,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 125. [2024-11-09 12:12:13,444 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 12:12:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2024-11-09 12:12:13,445 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 154 transitions. Word has length 346 [2024-11-09 12:12:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:12:13,446 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 154 transitions. [2024-11-09 12:12:13,446 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 12:12:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2024-11-09 12:12:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-09 12:12:13,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:12:13,448 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 12:12:13,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 12:12:13,649 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 12:12:13,649 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:12:13,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:12:13,650 INFO L85 PathProgramCache]: Analyzing trace with hash -2034932484, now seen corresponding path program 12 times [2024-11-09 12:12:13,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:12:13,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140090986] [2024-11-09 12:12:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:12:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:12:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:14,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:12:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:14,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-09 12:12:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:15,742 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 12:12:15,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:15,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140090986] [2024-11-09 12:12:15,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140090986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:15,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784766539] [2024-11-09 12:12:15,743 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 12:12:15,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:15,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:15,745 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 12:12:15,747 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 12:12:15,983 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2024-11-09 12:12:15,984 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:12:15,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-09 12:12:15,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:16,350 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 12:12:16,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:12:22,704 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 12:12:22,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784766539] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:12:22,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:12:22,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 29] total 40 [2024-11-09 12:12:22,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876558935] [2024-11-09 12:12:22,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:12:22,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-09 12:12:22,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:12:22,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-09 12:12:22,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 12:12:22,707 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 12:12:22,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:12:22,833 INFO L93 Difference]: Finished difference Result 156 states and 208 transitions. [2024-11-09 12:12:22,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 12:12:22,833 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 12:12:22,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:12:22,835 INFO L225 Difference]: With dead ends: 156 [2024-11-09 12:12:22,835 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 12:12:22,836 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 12:12:22,837 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 14 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:12:22,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 262 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:12:22,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 12:12:22,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 146. [2024-11-09 12:12:22,847 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 12:12:22,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 193 transitions. [2024-11-09 12:12:22,849 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 193 transitions. Word has length 399 [2024-11-09 12:12:22,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:12:22,849 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 193 transitions. [2024-11-09 12:12:22,850 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 12:12:22,850 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 193 transitions. [2024-11-09 12:12:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-09 12:12:22,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:12:22,855 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 12:12:22,871 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 12:12:23,059 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 12:12:23,060 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:12:23,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:12:23,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1147088053, now seen corresponding path program 13 times [2024-11-09 12:12:23,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:12:23,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701608197] [2024-11-09 12:12:23,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:12:23,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:12:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:12:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:23,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 12:12:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2024-11-09 12:12:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 12:12:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:24,947 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 12:12:24,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:24,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701608197] [2024-11-09 12:12:24,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701608197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:24,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178592919] [2024-11-09 12:12:24,948 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 12:12:24,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:24,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:24,949 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 12:12:24,950 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 12:12:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:25,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 12:12:25,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:25,485 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 12:12:25,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:12:28,730 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 12:12:28,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178592919] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:12:28,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:12:28,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 19, 31] total 45 [2024-11-09 12:12:28,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547279004] [2024-11-09 12:12:28,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:12:28,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-09 12:12:28,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:12:28,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-09 12:12:28,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=1505, Unknown=0, NotChecked=0, Total=1980 [2024-11-09 12:12:28,734 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 12:12:29,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:12:29,287 INFO L93 Difference]: Finished difference Result 338 states and 490 transitions. [2024-11-09 12:12:29,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 12:12:29,288 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 12:12:29,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:12:29,291 INFO L225 Difference]: With dead ends: 338 [2024-11-09 12:12:29,291 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 12:12:29,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1838 GetRequests, 1754 SyntacticMatches, 15 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1957 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1230, Invalid=3740, Unknown=0, NotChecked=0, Total=4970 [2024-11-09 12:12:29,295 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 495 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 12:12:29,295 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 12:12:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 12:12:29,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 185. [2024-11-09 12:12:29,307 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 12:12:29,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 242 transitions. [2024-11-09 12:12:29,309 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 242 transitions. Word has length 811 [2024-11-09 12:12:29,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:12:29,309 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 242 transitions. [2024-11-09 12:12:29,310 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 12:12:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 242 transitions. [2024-11-09 12:12:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-09 12:12:29,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:12:29,315 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 12:12:29,336 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 12:12:29,516 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 12:12:29,516 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:12:29,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:12:29,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1430890231, now seen corresponding path program 14 times [2024-11-09 12:12:29,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:12:29,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191249033] [2024-11-09 12:12:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:12:29,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:12:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:29,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:12:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 12:12:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-09 12:12:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2024-11-09 12:12:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:30,910 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 12:12:30,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:30,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191249033] [2024-11-09 12:12:30,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191249033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:30,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696965788] [2024-11-09 12:12:30,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:12:30,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:30,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:30,912 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 12:12:30,913 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 12:12:31,256 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:12:31,256 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:12:31,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 12:12:31,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:31,443 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 12:12:31,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:12:34,667 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 12:12:34,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696965788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:12:34,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:12:34,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 27] total 39 [2024-11-09 12:12:34,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394235695] [2024-11-09 12:12:34,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:12:34,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-09 12:12:34,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:12:34,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-09 12:12:34,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1120, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 12:12:34,671 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 12:12:35,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:12:35,086 INFO L93 Difference]: Finished difference Result 364 states and 493 transitions. [2024-11-09 12:12:35,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 12:12:35,087 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 12:12:35,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:12:35,089 INFO L225 Difference]: With dead ends: 364 [2024-11-09 12:12:35,090 INFO L226 Difference]: Without dead ends: 185 [2024-11-09 12:12:35,092 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 12:12:35,093 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 129 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:12:35,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 321 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:12:35,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-09 12:12:35,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 149. [2024-11-09 12:12:35,103 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 12:12:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 187 transitions. [2024-11-09 12:12:35,104 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 187 transitions. Word has length 811 [2024-11-09 12:12:35,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:12:35,105 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 187 transitions. [2024-11-09 12:12:35,105 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 12:12:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 187 transitions. [2024-11-09 12:12:35,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1584 [2024-11-09 12:12:35,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:12:35,120 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 12:12:35,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 12:12:35,321 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 12:12:35,321 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:12:35,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:12:35,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1665955938, now seen corresponding path program 15 times [2024-11-09 12:12:35,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:12:35,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741273024] [2024-11-09 12:12:35,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:12:35,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:12:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:12:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:36,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:36,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:36,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 12:12:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-09 12:12:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2024-11-09 12:12:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 12:12:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:37,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-09 12:12:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2024-11-09 12:12:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 12:12:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 12:12:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 12:12:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:12:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 12:12:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 12:12:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:38,099 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 12:12:38,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:38,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741273024] [2024-11-09 12:12:38,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741273024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:38,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34414837] [2024-11-09 12:12:38,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:12:38,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:38,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:38,101 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 12:12:38,102 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 12:12:38,613 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 67 check-sat command(s) [2024-11-09 12:12:38,613 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:12:38,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 185 conjuncts are in the unsatisfiable core [2024-11-09 12:12:38,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:39,574 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 12:12:39,574 INFO L311 TraceCheckSpWp]: Computing backward predicates...