./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_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 b03417044f373c008ff91de15a64d7cc60a5998b199ec438fd4bdaa7bf23faf0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:35:33,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:35:33,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 21:35:33,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:35:33,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:35:33,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:35:33,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:35:33,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:35:33,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:35:33,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:35:33,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:35:33,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:35:33,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:35:33,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:35:33,890 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:35:33,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:35:33,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:35:33,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:35:33,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:35:33,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:35:33,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:35:33,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:35:33,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:35:33,894 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:35:33,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:35:33,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:35:33,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:35:33,895 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:35:33,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:35:33,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:35:33,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:35:33,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:35:33,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:35:33,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:35:33,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:35:33,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:35:33,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:35:33,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:35:33,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:35:33,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:35:33,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:35:33,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b03417044f373c008ff91de15a64d7cc60a5998b199ec438fd4bdaa7bf23faf0 [2024-11-10 21:35:34,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:35:34,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:35:34,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:35:34,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:35:34,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:35:34,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i [2024-11-10 21:35:35,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:35:35,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:35:35,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i [2024-11-10 21:35:35,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e605c1fe6/88bd80fdb6a74d3cb5a1e73e6b8d7028/FLAG1a0b3a5bd [2024-11-10 21:35:35,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e605c1fe6/88bd80fdb6a74d3cb5a1e73e6b8d7028 [2024-11-10 21:35:35,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:35:35,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:35:35,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:35:35,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:35:35,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:35:35,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:35:35" (1/1) ... [2024-11-10 21:35:35,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101515d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:35, skipping insertion in model container [2024-11-10 21:35:35,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:35:35" (1/1) ... [2024-11-10 21:35:35,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:35:36,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:35:36,426 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:35:36,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:35:36,608 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:35:36,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36 WrapperNode [2024-11-10 21:35:36,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:35:36,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:35:36,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:35:36,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:35:36,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,655 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-10 21:35:36,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:35:36,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:35:36,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:35:36,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:35:36,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,674 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 21:35:36,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:35:36,684 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:35:36,685 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:35:36,685 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:35:36,685 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (1/1) ... [2024-11-10 21:35:36,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:35:36,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:35:36,709 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) [2024-11-10 21:35:36,727 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 [2024-11-10 21:35:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:35:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:35:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:35:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:35:36,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:35:36,867 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:35:36,868 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:35:36,939 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-10 21:35:36,939 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:35:36,951 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:35:36,951 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:35:36,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:35:36 BoogieIcfgContainer [2024-11-10 21:35:36,951 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:35:36,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:35:36,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:35:36,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:35:36,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:35:35" (1/3) ... [2024-11-10 21:35:36,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c5dce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:35:36, skipping insertion in model container [2024-11-10 21:35:36,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:36" (2/3) ... [2024-11-10 21:35:36,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c5dce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:35:36, skipping insertion in model container [2024-11-10 21:35:36,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:35:36" (3/3) ... [2024-11-10 21:35:36,958 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i [2024-11-10 21:35:36,970 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:35:36,970 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:35:37,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:35:37,016 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;@27bff294, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:35:37,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:35:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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) [2024-11-10 21:35:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 21:35:37,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:35:37,024 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:35:37,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:35:37,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:35:37,029 INFO L85 PathProgramCache]: Analyzing trace with hash 122524457, now seen corresponding path program 1 times [2024-11-10 21:35:37,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:35:37,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641287277] [2024-11-10 21:35:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:35:37,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:35:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:35:37,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:35:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:35:37,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 21:35:37,161 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:35:37,162 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:35:37,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:35:37,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:35:37,166 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:35:37,180 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:35:37,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:35:37 BoogieIcfgContainer [2024-11-10 21:35:37,182 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:35:37,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:35:37,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:35:37,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:35:37,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:35:36" (3/4) ... [2024-11-10 21:35:37,185 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:35:37,186 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:35:37,187 INFO L158 Benchmark]: Toolchain (without parser) took 1350.51ms. Allocated memory was 184.5MB in the beginning and 253.8MB in the end (delta: 69.2MB). Free memory was 125.6MB in the beginning and 195.5MB in the end (delta: -69.9MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-10 21:35:37,187 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 149.3MB in the end (delta: 278.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:35:37,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.87ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 59.2MB in the end (delta: 66.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-10 21:35:37,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.09ms. Allocated memory is still 184.5MB. Free memory was 59.2MB in the beginning and 56.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:35:37,189 INFO L158 Benchmark]: Boogie Preprocessor took 24.78ms. Allocated memory is still 184.5MB. Free memory was 56.4MB in the beginning and 54.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:35:37,189 INFO L158 Benchmark]: IcfgBuilder took 266.78ms. Allocated memory was 184.5MB in the beginning and 253.8MB in the end (delta: 69.2MB). Free memory was 54.3MB in the beginning and 212.3MB in the end (delta: -158.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-10 21:35:37,189 INFO L158 Benchmark]: TraceAbstraction took 229.67ms. Allocated memory is still 253.8MB. Free memory was 211.2MB in the beginning and 195.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 21:35:37,190 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 253.8MB. Free memory is still 195.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:35:37,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 149.3MB in the end (delta: 278.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.87ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 59.2MB in the end (delta: 66.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.09ms. Allocated memory is still 184.5MB. Free memory was 59.2MB in the beginning and 56.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.78ms. Allocated memory is still 184.5MB. Free memory was 56.4MB in the beginning and 54.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 266.78ms. Allocated memory was 184.5MB in the beginning and 253.8MB in the end (delta: 69.2MB). Free memory was 54.3MB in the beginning and 212.3MB in the end (delta: -158.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 229.67ms. Allocated memory is still 253.8MB. Free memory was 211.2MB in the beginning and 195.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 253.8MB. Free memory is still 195.5MB. 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: 1551]: 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 1566. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1561] CALL badSink(data) [L1551] --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: 1551]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-10 21:35:37,222 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/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/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_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 b03417044f373c008ff91de15a64d7cc60a5998b199ec438fd4bdaa7bf23faf0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:35:39,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:35:39,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 21:35:39,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:35:39,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:35:39,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 21:35:39,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:35:39,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:35:39,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:35:39,167 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:35:39,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:35:39,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:35:39,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:35:39,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:35:39,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:35:39,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:35:39,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:35:39,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:35:39,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:35:39,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:35:39,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:35:39,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:35:39,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 21:35:39,172 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 21:35:39,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:35:39,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:35:39,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 21:35:39,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:35:39,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:35:39,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:35:39,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:35:39,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:35:39,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:35:39,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:35:39,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:35:39,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:35:39,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:35:39,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:35:39,174 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 21:35:39,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 21:35:39,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:35:39,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:35:39,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:35:39,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:35:39,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b03417044f373c008ff91de15a64d7cc60a5998b199ec438fd4bdaa7bf23faf0 [2024-11-10 21:35:39,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:35:39,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:35:39,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:35:39,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:35:39,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:35:39,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i [2024-11-10 21:35:40,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:35:40,964 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:35:40,965 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i [2024-11-10 21:35:40,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4b54579/21d9ace8ea8349f2af617a7a8636a211/FLAG72fa2181c [2024-11-10 21:35:41,261 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4b54579/21d9ace8ea8349f2af617a7a8636a211 [2024-11-10 21:35:41,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:35:41,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:35:41,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:35:41,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:35:41,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:35:41,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:35:41" (1/1) ... [2024-11-10 21:35:41,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eab43da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:41, skipping insertion in model container [2024-11-10 21:35:41,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:35:41" (1/1) ... [2024-11-10 21:35:41,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:35:41,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:35:41,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:35:42,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:35:42,112 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:35:42,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42 WrapperNode [2024-11-10 21:35:42,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:35:42,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:35:42,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:35:42,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:35:42,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,156 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-10 21:35:42,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:35:42,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:35:42,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:35:42,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:35:42,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,180 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 21:35:42,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,186 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:35:42,193 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:35:42,193 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:35:42,193 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:35:42,194 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (1/1) ... [2024-11-10 21:35:42,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:35:42,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:35:42,225 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) [2024-11-10 21:35:42,227 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 [2024-11-10 21:35:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:35:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:35:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:35:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:35:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:35:42,388 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:35:42,389 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:35:42,479 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-10 21:35:42,479 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:35:42,489 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:35:42,489 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:35:42,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:35:42 BoogieIcfgContainer [2024-11-10 21:35:42,490 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:35:42,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:35:42,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:35:42,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:35:42,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:35:41" (1/3) ... [2024-11-10 21:35:42,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abcb22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:35:42, skipping insertion in model container [2024-11-10 21:35:42,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:35:42" (2/3) ... [2024-11-10 21:35:42,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abcb22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:35:42, skipping insertion in model container [2024-11-10 21:35:42,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:35:42" (3/3) ... [2024-11-10 21:35:42,498 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i [2024-11-10 21:35:42,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:35:42,510 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:35:42,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:35:42,589 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;@803c3a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:35:42,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:35:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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) [2024-11-10 21:35:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 21:35:42,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:35:42,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:35:42,598 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:35:42,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:35:42,602 INFO L85 PathProgramCache]: Analyzing trace with hash 122524457, now seen corresponding path program 1 times [2024-11-10 21:35:42,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:35:42,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953609162] [2024-11-10 21:35:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:35:42,615 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 [2024-11-10 21:35:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:35:42,617 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) [2024-11-10 21:35:42,618 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 [2024-11-10 21:35:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:35:42,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:35:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:35:42,760 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 21:35:42,761 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:35:42,762 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:35:42,764 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:35:42,770 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 [2024-11-10 21:35:42,968 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 [2024-11-10 21:35:42,971 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:35:42,986 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:35:42,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:35:42 BoogieIcfgContainer [2024-11-10 21:35:42,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:35:42,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:35:42,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:35:42,988 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:35:42,988 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:35:42" (3/4) ... [2024-11-10 21:35:42,990 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:35:42,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:35:42,991 INFO L158 Benchmark]: Toolchain (without parser) took 1727.53ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.5MB in the beginning and 40.0MB in the end (delta: -5.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-10 21:35:42,992 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 50.3MB. Free memory is still 30.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:35:42,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.24ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.3MB in the beginning and 52.3MB in the end (delta: -17.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 21:35:42,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.31ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 49.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:35:42,993 INFO L158 Benchmark]: Boogie Preprocessor took 34.11ms. Allocated memory is still 81.8MB. Free memory was 49.3MB in the beginning and 46.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:35:42,993 INFO L158 Benchmark]: IcfgBuilder took 296.90ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 33.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 21:35:42,993 INFO L158 Benchmark]: TraceAbstraction took 496.06ms. Allocated memory is still 81.8MB. Free memory was 32.6MB in the beginning and 40.0MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:35:42,993 INFO L158 Benchmark]: Witness Printer took 2.69ms. Allocated memory is still 81.8MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:35:42,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 50.3MB. Free memory is still 30.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.24ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.3MB in the beginning and 52.3MB in the end (delta: -17.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.31ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 49.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.11ms. Allocated memory is still 81.8MB. Free memory was 49.3MB in the beginning and 46.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 296.90ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 33.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 496.06ms. Allocated memory is still 81.8MB. Free memory was 32.6MB in the beginning and 40.0MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.69ms. Allocated memory is still 81.8MB. Free memory is still 40.0MB. 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: 1551]: 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 1566. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1561] CALL badSink(data) [L1551] --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: 1551]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-10 21:35:43,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample