./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/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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/CWE191_Integer_Underflow__int_fscanf_predec_68_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 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:41:32,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:41:32,255 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 22:41:32,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:41:32,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:41:32,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:41:32,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:41:32,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:41:32,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:41:32,282 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:41:32,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:41:32,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:41:32,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:41:32,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:41:32,285 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:41:32,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:41:32,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:41:32,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 22:41:32,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:41:32,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:41:32,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:41:32,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:41:32,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:41:32,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:41:32,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:41:32,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:41:32,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:41:32,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:41:32,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:41:32,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:41:32,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:41:32,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:41:32,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:41:32,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:41:32,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:41:32,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 22:41:32,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 22:41:32,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:41:32,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:41:32,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:41:32,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:41:32,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac [2024-10-24 22:41:32,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:41:32,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:41:32,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:41:32,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:41:32,587 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:41:32,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2024-10-24 22:41:33,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:41:34,277 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:41:34,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2024-10-24 22:41:34,307 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4292c5e9e/02b456735c4c4e9b87dcd0f2d5b2c4cf/FLAG8232869de [2024-10-24 22:41:34,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4292c5e9e/02b456735c4c4e9b87dcd0f2d5b2c4cf [2024-10-24 22:41:34,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:41:34,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:41:34,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:41:34,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:41:34,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:41:34,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:34" (1/1) ... [2024-10-24 22:41:34,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f70e1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:34, skipping insertion in model container [2024-10-24 22:41:34,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:34" (1/1) ... [2024-10-24 22:41:34,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:41:35,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:41:35,115 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:41:35,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:41:35,331 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:41:35,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35 WrapperNode [2024-10-24 22:41:35,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:41:35,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:41:35,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:41:35,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:41:35,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,385 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-10-24 22:41:35,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:41:35,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:41:35,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:41:35,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:41:35,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,397 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,408 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:41:35,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:41:35,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:41:35,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:41:35,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:41:35,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (1/1) ... [2024-10-24 22:41:35,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:41:35,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:41:35,468 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) [2024-10-24 22:41:35,471 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 [2024-10-24 22:41:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:41:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:41:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:41:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:41:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:41:35,756 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:41:35,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:41:35,883 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 22:41:35,884 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:41:35,924 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:41:35,925 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:41:35,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:41:35 BoogieIcfgContainer [2024-10-24 22:41:35,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:41:35,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:41:35,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:41:35,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:41:35,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:41:34" (1/3) ... [2024-10-24 22:41:35,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bc2513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:41:35, skipping insertion in model container [2024-10-24 22:41:35,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:35" (2/3) ... [2024-10-24 22:41:35,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bc2513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:41:35, skipping insertion in model container [2024-10-24 22:41:35,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:41:35" (3/3) ... [2024-10-24 22:41:35,935 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2024-10-24 22:41:35,952 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:41:35,952 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:41:36,015 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:41:36,022 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;@3f485ffc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:41:36,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:41:36,025 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) [2024-10-24 22:41:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 22:41:36,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:41:36,032 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:41:36,032 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:41:36,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:41:36,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2024-10-24 22:41:36,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:41:36,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674246562] [2024-10-24 22:41:36,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:41:36,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:41:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:41:36,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:41:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:41:36,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 22:41:36,244 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:41:36,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:41:36,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:41:36,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 22:41:36,249 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 22:41:36,266 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:41:36,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:41:36 BoogieIcfgContainer [2024-10-24 22:41:36,268 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:41:36,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:41:36,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:41:36,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:41:36,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:41:35" (3/4) ... [2024-10-24 22:41:36,272 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:41:36,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:41:36,274 INFO L158 Benchmark]: Toolchain (without parser) took 1950.19ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 108.1MB in the end (delta: 11.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-10-24 22:41:36,275 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:41:36,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1005.15ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 111.1MB in the end (delta: 8.1MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-10-24 22:41:36,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.90ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 108.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:41:36,277 INFO L158 Benchmark]: Boogie Preprocessor took 35.07ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:41:36,278 INFO L158 Benchmark]: RCFGBuilder took 504.09ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 124.9MB in the end (delta: -18.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-10-24 22:41:36,278 INFO L158 Benchmark]: TraceAbstraction took 340.51ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 108.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 22:41:36,279 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 167.8MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:41:36,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1005.15ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 111.1MB in the end (delta: 8.1MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.90ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 108.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.07ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.09ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 124.9MB in the end (delta: -18.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * TraceAbstraction took 340.51ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 108.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 167.8MB. Free memory is still 108.1MB. 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: 1575]: 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 1563. 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); [L1550] int CWE191_Integer_Underflow__int_fscanf_predec_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_goodB2GData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_predec_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] --data VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodB2GData=0, 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: 1575]: 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: 0.3s, 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=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-10-24 22:41:36,319 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/CWE191_Integer_Underflow__int_fscanf_predec_68_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 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:41:38,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:41:38,737 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 22:41:38,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:41:38,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:41:38,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 22:41:38,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:41:38,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:41:38,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:41:38,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:41:38,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:41:38,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:41:38,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:41:38,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:41:38,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:41:38,789 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:41:38,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:41:38,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:41:38,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:41:38,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:41:38,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:41:38,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:41:38,793 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 22:41:38,793 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 22:41:38,793 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:41:38,793 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:41:38,793 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 22:41:38,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:41:38,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:41:38,794 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:41:38,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:41:38,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:41:38,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:41:38,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:41:38,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:41:38,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:41:38,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:41:38,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:41:38,796 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 22:41:38,796 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 22:41:38,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:41:38,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:41:38,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:41:38,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:41:38,799 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 22:41:38,799 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac [2024-10-24 22:41:39,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:41:39,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:41:39,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:41:39,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:41:39,126 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:41:39,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2024-10-24 22:41:40,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:41:41,046 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:41:41,046 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2024-10-24 22:41:41,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f8069e61/66d8c5749aff46c58506afc7ca29701c/FLAG268076fe3 [2024-10-24 22:41:41,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f8069e61/66d8c5749aff46c58506afc7ca29701c [2024-10-24 22:41:41,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:41:41,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:41:41,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:41:41,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:41:41,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:41:41,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:41" (1/1) ... [2024-10-24 22:41:41,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e93a5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:41, skipping insertion in model container [2024-10-24 22:41:41,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:41" (1/1) ... [2024-10-24 22:41:41,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:41:42,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:41:42,119 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:41:42,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:41:42,359 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:41:42,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42 WrapperNode [2024-10-24 22:41:42,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:41:42,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:41:42,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:41:42,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:41:42,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,425 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-10-24 22:41:42,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:41:42,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:41:42,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:41:42,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:41:42,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,440 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,452 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:41:42,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:41:42,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:41:42,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:41:42,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:41:42,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (1/1) ... [2024-10-24 22:41:42,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:41:42,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:41:42,516 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) [2024-10-24 22:41:42,519 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 [2024-10-24 22:41:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:41:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:41:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:41:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:41:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:41:42,721 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:41:42,723 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:41:42,849 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-24 22:41:42,850 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:41:42,896 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:41:42,897 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:41:42,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:41:42 BoogieIcfgContainer [2024-10-24 22:41:42,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:41:42,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:41:42,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:41:42,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:41:42,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:41:41" (1/3) ... [2024-10-24 22:41:42,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acf181f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:41:42, skipping insertion in model container [2024-10-24 22:41:42,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:42" (2/3) ... [2024-10-24 22:41:42,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acf181f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:41:42, skipping insertion in model container [2024-10-24 22:41:42,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:41:42" (3/3) ... [2024-10-24 22:41:42,906 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2024-10-24 22:41:42,922 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:41:42,922 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:41:42,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:41:42,990 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;@267a54fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:41:42,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:41:42,994 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) [2024-10-24 22:41:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 22:41:43,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:41:43,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:41:43,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:41:43,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:41:43,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2024-10-24 22:41:43,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:41:43,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852459793] [2024-10-24 22:41:43,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:41:43,021 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 [2024-10-24 22:41:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:41:43,024 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) [2024-10-24 22:41:43,025 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 [2024-10-24 22:41:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:41:43,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:41:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:41:43,186 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 22:41:43,190 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:41:43,191 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:41:43,193 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:41:43,198 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 (2)] Ended with exit code 0 [2024-10-24 22:41:43,394 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 [2024-10-24 22:41:43,398 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 22:41:43,422 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:41:43,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:41:43 BoogieIcfgContainer [2024-10-24 22:41:43,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:41:43,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:41:43,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:41:43,425 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:41:43,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:41:42" (3/4) ... [2024-10-24 22:41:43,427 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:41:43,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:41:43,430 INFO L158 Benchmark]: Toolchain (without parser) took 2332.25ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 38.4MB in the beginning and 52.4MB in the end (delta: -14.0MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-10-24 22:41:43,431 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:41:43,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1262.50ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 38.2MB in the beginning and 40.7MB in the end (delta: -2.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-10-24 22:41:43,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.24ms. Allocated memory is still 88.1MB. Free memory was 40.7MB in the beginning and 37.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:41:43,436 INFO L158 Benchmark]: Boogie Preprocessor took 56.20ms. Allocated memory is still 88.1MB. Free memory was 37.4MB in the beginning and 60.1MB in the end (delta: -22.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:41:43,436 INFO L158 Benchmark]: RCFGBuilder took 412.65ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 44.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 22:41:43,437 INFO L158 Benchmark]: TraceAbstraction took 524.35ms. Allocated memory is still 88.1MB. Free memory was 43.3MB in the beginning and 52.7MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:41:43,437 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 88.1MB. Free memory was 52.7MB in the beginning and 52.4MB in the end (delta: 248.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:41:43,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1262.50ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 38.2MB in the beginning and 40.7MB in the end (delta: -2.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.24ms. Allocated memory is still 88.1MB. Free memory was 40.7MB in the beginning and 37.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.20ms. Allocated memory is still 88.1MB. Free memory was 37.4MB in the beginning and 60.1MB in the end (delta: -22.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 412.65ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 44.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 524.35ms. Allocated memory is still 88.1MB. Free memory was 43.3MB in the beginning and 52.7MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 88.1MB. Free memory was 52.7MB in the beginning and 52.4MB in the end (delta: 248.3kB). 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: 1575]: 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 1563. 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); [L1549] int CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_predec_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] --data VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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: 1575]: 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: 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=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-10-24 22:41:43,466 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