./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2939265a2d748ab52fe84a9199f1640b7e6e4de8676cc37f603537ad7365ab6f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:09:04,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:09:05,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 22:09:05,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:09:05,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:09:05,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:09:05,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:09:05,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:09:05,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:09:05,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:09:05,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:09:05,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:09:05,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:09:05,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:09:05,059 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:09:05,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:09:05,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:09:05,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 22:09:05,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:09:05,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:09:05,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:09:05,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:09:05,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:09:05,063 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:09:05,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:09:05,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:09:05,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:09:05,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:09:05,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:09:05,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:09:05,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:09:05,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:09:05,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:09:05,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:09:05,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:09:05,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 22:09:05,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 22:09:05,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:09:05,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:09:05,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:09:05,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:09:05,067 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2939265a2d748ab52fe84a9199f1640b7e6e4de8676cc37f603537ad7365ab6f [2024-10-14 22:09:05,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:09:05,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:09:05,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:09:05,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:09:05,279 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:09:05,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i [2024-10-14 22:09:06,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:09:06,830 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:09:06,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i [2024-10-14 22:09:06,860 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ae76930/731cef2d364d43e1bbb63557b2fa8979/FLAG8dcc96cac [2024-10-14 22:09:06,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ae76930/731cef2d364d43e1bbb63557b2fa8979 [2024-10-14 22:09:06,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:09:06,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:09:06,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:09:06,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:09:06,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:09:06,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:09:06" (1/1) ... [2024-10-14 22:09:06,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d27f124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:06, skipping insertion in model container [2024-10-14 22:09:06,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:09:06" (1/1) ... [2024-10-14 22:09:06,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:09:07,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:09:07,480 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:09:07,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:09:07,614 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:09:07,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07 WrapperNode [2024-10-14 22:09:07,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:09:07,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:09:07,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:09:07,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:09:07,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,666 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-10-14 22:09:07,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:09:07,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:09:07,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:09:07,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:09:07,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,680 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,692 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:09:07,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:09:07,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:09:07,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:09:07,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:09:07,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (1/1) ... [2024-10-14 22:09:07,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:09:07,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:09:07,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 22:09:07,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 22:09:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:09:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:09:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:09:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:09:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:09:07,885 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:09:07,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:09:07,980 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-14 22:09:07,980 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:09:08,015 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:09:08,015 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:09:08,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:09:08 BoogieIcfgContainer [2024-10-14 22:09:08,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:09:08,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:09:08,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:09:08,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:09:08,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:09:06" (1/3) ... [2024-10-14 22:09:08,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50abb7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:09:08, skipping insertion in model container [2024-10-14 22:09:08,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:07" (2/3) ... [2024-10-14 22:09:08,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50abb7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:09:08, skipping insertion in model container [2024-10-14 22:09:08,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:09:08" (3/3) ... [2024-10-14 22:09:08,023 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i [2024-10-14 22:09:08,038 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:09:08,038 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 22:09:08,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:09:08,096 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;@61c6754a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:09:08,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 22:09:08,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 22:09:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-14 22:09:08,106 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:09:08,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:09:08,107 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:09:08,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:09:08,112 INFO L85 PathProgramCache]: Analyzing trace with hash 540512693, now seen corresponding path program 1 times [2024-10-14 22:09:08,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:09:08,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666728440] [2024-10-14 22:09:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:09:08,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:09:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:09:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:09:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:09:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:09:08,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:09:08,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666728440] [2024-10-14 22:09:08,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666728440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:09:08,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:09:08,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:09:08,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008000054] [2024-10-14 22:09:08,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:09:08,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:09:08,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:09:08,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:09:08,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:09:08,362 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:09:08,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:09:08,388 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-10-14 22:09:08,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:09:08,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-10-14 22:09:08,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:09:08,394 INFO L225 Difference]: With dead ends: 14 [2024-10-14 22:09:08,394 INFO L226 Difference]: Without dead ends: 10 [2024-10-14 22:09:08,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:09:08,402 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:09:08,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:09:08,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-14 22:09:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-14 22:09:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:09:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-10-14 22:09:08,428 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2024-10-14 22:09:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:09:08,428 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-10-14 22:09:08,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:09:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-10-14 22:09:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 22:09:08,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:09:08,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:09:08,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 22:09:08,429 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:09:08,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:09:08,430 INFO L85 PathProgramCache]: Analyzing trace with hash -423975655, now seen corresponding path program 1 times [2024-10-14 22:09:08,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:09:08,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036666872] [2024-10-14 22:09:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:09:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:09:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:09:08,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 22:09:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:09:08,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 22:09:08,483 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 22:09:08,485 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 22:09:08,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 22:09:08,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 22:09:08,489 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 22:09:08,502 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:09:08,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:09:08 BoogieIcfgContainer [2024-10-14 22:09:08,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:09:08,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:09:08,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:09:08,506 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:09:08,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:09:08" (3/4) ... [2024-10-14 22:09:08,508 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 22:09:08,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:09:08,512 INFO L158 Benchmark]: Toolchain (without parser) took 1634.78ms. Allocated memory is still 174.1MB. Free memory was 101.2MB in the beginning and 109.0MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:09:08,513 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 174.1MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:09:08,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.58ms. Allocated memory is still 174.1MB. Free memory was 101.0MB in the beginning and 92.4MB in the end (delta: 8.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 22:09:08,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.43ms. Allocated memory is still 174.1MB. Free memory was 92.4MB in the beginning and 89.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 22:09:08,515 INFO L158 Benchmark]: Boogie Preprocessor took 46.06ms. Allocated memory is still 174.1MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:09:08,515 INFO L158 Benchmark]: RCFGBuilder took 301.20ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 140.3MB in the end (delta: -52.8MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-10-14 22:09:08,516 INFO L158 Benchmark]: TraceAbstraction took 488.21ms. Allocated memory is still 174.1MB. Free memory was 139.4MB in the beginning and 110.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-14 22:09:08,517 INFO L158 Benchmark]: Witness Printer took 6.47ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 109.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:09:08,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 174.1MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.58ms. Allocated memory is still 174.1MB. Free memory was 101.0MB in the beginning and 92.4MB in the end (delta: 8.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.43ms. Allocated memory is still 174.1MB. Free memory was 92.4MB in the beginning and 89.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.06ms. Allocated memory is still 174.1MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.20ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 140.3MB in the end (delta: -52.8MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 488.21ms. Allocated memory is still 174.1MB. Free memory was 139.4MB in the beginning and 110.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.47ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 109.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE190_Integer_Overflow__int_fscanf_preinc_01_bad() [L1550] int data; [L1551] data = 0 [L1554] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 22:09:08,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2939265a2d748ab52fe84a9199f1640b7e6e4de8676cc37f603537ad7365ab6f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:09:10,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:09:10,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 22:09:10,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:09:10,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:09:10,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 22:09:10,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:09:10,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:09:10,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:09:10,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:09:10,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:09:10,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:09:10,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:09:10,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:09:10,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:09:10,606 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:09:10,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:09:10,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:09:10,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:09:10,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:09:10,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:09:10,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:09:10,609 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 22:09:10,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 22:09:10,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:09:10,610 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:09:10,610 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 22:09:10,610 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:09:10,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:09:10,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:09:10,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:09:10,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:09:10,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:09:10,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:09:10,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:09:10,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:09:10,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:09:10,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:09:10,613 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 22:09:10,613 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 22:09:10,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:09:10,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:09:10,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:09:10,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:09:10,614 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 22:09:10,614 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2939265a2d748ab52fe84a9199f1640b7e6e4de8676cc37f603537ad7365ab6f [2024-10-14 22:09:10,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:09:10,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:09:10,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:09:10,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:09:10,916 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:09:10,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i [2024-10-14 22:09:12,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:09:12,547 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:09:12,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i [2024-10-14 22:09:12,572 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7b6e4ef/3a6a55620261486abba930124816718e/FLAGc0f5098ce [2024-10-14 22:09:12,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7b6e4ef/3a6a55620261486abba930124816718e [2024-10-14 22:09:12,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:09:12,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:09:12,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:09:12,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:09:12,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:09:12,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:09:12" (1/1) ... [2024-10-14 22:09:12,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1da07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:12, skipping insertion in model container [2024-10-14 22:09:12,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:09:12" (1/1) ... [2024-10-14 22:09:12,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:09:13,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:09:13,604 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:09:13,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:09:13,794 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:09:13,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13 WrapperNode [2024-10-14 22:09:13,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:09:13,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:09:13,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:09:13,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:09:13,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,855 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-10-14 22:09:13,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:09:13,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:09:13,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:09:13,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:09:13,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,874 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:09:13,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:09:13,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:09:13,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:09:13,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:09:13,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (1/1) ... [2024-10-14 22:09:13,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:09:13,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:09:13,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 22:09:13,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 22:09:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:09:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:09:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:09:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:09:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:09:14,077 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:09:14,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:09:14,154 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-14 22:09:14,154 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:09:14,199 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:09:14,199 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:09:14,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:09:14 BoogieIcfgContainer [2024-10-14 22:09:14,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:09:14,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:09:14,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:09:14,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:09:14,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:09:12" (1/3) ... [2024-10-14 22:09:14,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f416d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:09:14, skipping insertion in model container [2024-10-14 22:09:14,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:09:13" (2/3) ... [2024-10-14 22:09:14,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f416d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:09:14, skipping insertion in model container [2024-10-14 22:09:14,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:09:14" (3/3) ... [2024-10-14 22:09:14,207 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_01_bad.i [2024-10-14 22:09:14,221 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:09:14,221 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 22:09:14,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:09:14,281 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;@20ef867a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:09:14,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 22:09:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 22:09:14,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-14 22:09:14,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:09:14,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:09:14,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:09:14,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:09:14,299 INFO L85 PathProgramCache]: Analyzing trace with hash 540512693, now seen corresponding path program 1 times [2024-10-14 22:09:14,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:09:14,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675108272] [2024-10-14 22:09:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:09:14,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:09:14,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:09:14,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 22:09:14,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 22:09:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:09:14,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 22:09:14,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:09:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:09:14,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:09:14,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 22:09:14,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675108272] [2024-10-14 22:09:14,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675108272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:09:14,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:09:14,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 22:09:14,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975573950] [2024-10-14 22:09:14,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:09:14,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 22:09:14,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 22:09:14,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 22:09:14,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 22:09:14,447 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:09:14,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:09:14,466 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-10-14 22:09:14,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 22:09:14,469 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-10-14 22:09:14,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:09:14,473 INFO L225 Difference]: With dead ends: 14 [2024-10-14 22:09:14,474 INFO L226 Difference]: Without dead ends: 10 [2024-10-14 22:09:14,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 22:09:14,481 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:09:14,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:09:14,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-14 22:09:14,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-14 22:09:14,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:09:14,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-10-14 22:09:14,506 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2024-10-14 22:09:14,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:09:14,506 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-10-14 22:09:14,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:09:14,506 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-10-14 22:09:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 22:09:14,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:09:14,507 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:09:14,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-14 22:09:14,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:09:14,708 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:09:14,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:09:14,712 INFO L85 PathProgramCache]: Analyzing trace with hash -423975655, now seen corresponding path program 1 times [2024-10-14 22:09:14,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:09:14,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420434578] [2024-10-14 22:09:14,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:09:14,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:09:14,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:09:14,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 22:09:14,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 22:09:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:09:14,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 22:09:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:09:14,825 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 22:09:14,826 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 22:09:14,827 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 22:09:14,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 22:09:14,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-14 22:09:15,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:09:15,032 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 22:09:15,055 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:09:15,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:09:15 BoogieIcfgContainer [2024-10-14 22:09:15,059 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:09:15,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:09:15,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:09:15,060 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:09:15,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:09:14" (3/4) ... [2024-10-14 22:09:15,062 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 22:09:15,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:09:15,064 INFO L158 Benchmark]: Toolchain (without parser) took 2257.05ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 36.3MB in the beginning and 68.2MB in the end (delta: -31.9MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-10-14 22:09:15,065 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:09:15,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 987.76ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 50.2MB in the end (delta: -14.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-10-14 22:09:15,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.86ms. Allocated memory is still 81.8MB. Free memory was 50.2MB in the beginning and 47.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 22:09:15,066 INFO L158 Benchmark]: Boogie Preprocessor took 39.98ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 44.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:09:15,066 INFO L158 Benchmark]: RCFGBuilder took 302.67ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 53.1MB in the end (delta: -8.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-10-14 22:09:15,066 INFO L158 Benchmark]: TraceAbstraction took 857.52ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 52.6MB in the beginning and 68.8MB in the end (delta: -16.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-14 22:09:15,067 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 68.2MB in the end (delta: 609.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:09:15,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 987.76ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 50.2MB in the end (delta: -14.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.86ms. Allocated memory is still 81.8MB. Free memory was 50.2MB in the beginning and 47.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.98ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 44.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.67ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 53.1MB in the end (delta: -8.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * TraceAbstraction took 857.52ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 52.6MB in the beginning and 68.8MB in the end (delta: -16.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 68.2MB in the end (delta: 609.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE190_Integer_Overflow__int_fscanf_preinc_01_bad() [L1550] int data; [L1551] data = 0 [L1554] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 22:09:15,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample