./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_63_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 4c9d071eb7b85f75dc6596717dd06c1221a6d72a9ca56c1d13851e081c1adcc3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:00:35,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:00:35,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 01:00:35,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:00:35,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:00:35,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:00:35,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:00:35,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:00:35,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:00:35,544 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:00:35,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:00:35,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:00:35,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:00:35,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:00:35,546 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:00:35,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:00:35,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:00:35,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:00:35,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:00:35,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:00:35,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:00:35,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:00:35,553 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:00:35,553 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:00:35,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:00:35,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:00:35,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:00:35,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:00:35,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:00:35,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:00:35,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:00:35,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:00:35,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:00:35,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:00:35,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:00:35,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:00:35,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:00:35,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:00:35,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:00:35,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:00:35,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:00:35,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9d071eb7b85f75dc6596717dd06c1221a6d72a9ca56c1d13851e081c1adcc3 [2024-11-23 01:00:35,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:00:35,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:00:35,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:00:35,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:00:35,893 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:00:35,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_63_bad.i [2024-11-23 01:00:37,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:00:37,751 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:00:37,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_63_bad.i [2024-11-23 01:00:37,781 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f47c593/45c5ea39c75a413fbb98518cd65c70e3/FLAGbc1b747b2 [2024-11-23 01:00:37,950 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f47c593/45c5ea39c75a413fbb98518cd65c70e3 [2024-11-23 01:00:37,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:00:37,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:00:37,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:00:37,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:00:37,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:00:37,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:37" (1/1) ... [2024-11-23 01:00:37,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7296254d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:37, skipping insertion in model container [2024-11-23 01:00:37,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:37" (1/1) ... [2024-11-23 01:00:38,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:00:38,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:00:38,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:00:38,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:00:38,909 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:00:38,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38 WrapperNode [2024-11-23 01:00:38,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:00:38,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:00:38,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:00:38,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:00:38,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,956 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-23 01:00:38,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:00:38,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:00:38,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:00:38,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:00:38,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,978 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-23 01:00:38,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:00:38,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:00:38,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:00:38,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:00:38,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2024-11-23 01:00:38,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:00:39,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:00:39,034 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) [2024-11-23 01:00:39,036 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 [2024-11-23 01:00:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 01:00:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 01:00:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:00:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:00:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:00:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:00:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:00:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:00:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:00:39,259 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:00:39,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:00:39,368 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-23 01:00:39,370 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:00:39,384 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:00:39,384 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:00:39,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:39 BoogieIcfgContainer [2024-11-23 01:00:39,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:00:39,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:00:39,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:00:39,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:00:39,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:00:37" (1/3) ... [2024-11-23 01:00:39,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b083f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:00:39, skipping insertion in model container [2024-11-23 01:00:39,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (2/3) ... [2024-11-23 01:00:39,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b083f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:00:39, skipping insertion in model container [2024-11-23 01:00:39,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:39" (3/3) ... [2024-11-23 01:00:39,391 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_63_bad.i [2024-11-23 01:00:39,404 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:00:39,405 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:00:39,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:00:39,468 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;@3842608a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:00:39,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 01:00:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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) [2024-11-23 01:00:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 01:00:39,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:00:39,484 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:00:39,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 01:00:39,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:00:39,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-23 01:00:39,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:00:39,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008454131] [2024-11-23 01:00:39,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:00:39,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:00:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:00:39,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 01:00:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:00:39,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 01:00:39,756 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 01:00:39,757 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 01:00:39,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 01:00:39,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:00:39,765 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 01:00:39,796 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:00:39,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:00:39 BoogieIcfgContainer [2024-11-23 01:00:39,800 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:00:39,801 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:00:39,801 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:00:39,801 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:00:39,802 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:39" (3/4) ... [2024-11-23 01:00:39,805 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 01:00:39,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:00:39,808 INFO L158 Benchmark]: Toolchain (without parser) took 1852.56ms. Allocated memory is still 157.3MB. Free memory was 122.0MB in the beginning and 99.5MB in the end (delta: 22.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-23 01:00:39,808 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 169.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:00:39,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.21ms. Allocated memory is still 157.3MB. Free memory was 122.0MB in the beginning and 56.5MB in the end (delta: 65.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-23 01:00:39,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.77ms. Allocated memory is still 157.3MB. Free memory was 56.5MB in the beginning and 53.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:00:39,811 INFO L158 Benchmark]: Boogie Preprocessor took 31.99ms. Allocated memory is still 157.3MB. Free memory was 53.3MB in the beginning and 51.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:00:39,811 INFO L158 Benchmark]: RCFGBuilder took 395.40ms. Allocated memory is still 157.3MB. Free memory was 51.2MB in the beginning and 118.4MB in the end (delta: -67.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 01:00:39,812 INFO L158 Benchmark]: TraceAbstraction took 414.36ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 99.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 01:00:39,813 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 157.3MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:00:39,815 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 169.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.21ms. Allocated memory is still 157.3MB. Free memory was 122.0MB in the beginning and 56.5MB in the end (delta: 65.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.77ms. Allocated memory is still 157.3MB. Free memory was 56.5MB in the beginning and 53.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.99ms. Allocated memory is still 157.3MB. Free memory was 53.3MB in the beginning and 51.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.40ms. Allocated memory is still 157.3MB. Free memory was 51.2MB in the beginning and 118.4MB in the end (delta: -67.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 414.36ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 99.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 157.3MB. Free memory is still 99.5MB. 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: 1568]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] 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: 1568]: 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, 20 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=20occurred 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, 0.1s 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 [2024-11-23 01:00:39,843 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 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 ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_63_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 4c9d071eb7b85f75dc6596717dd06c1221a6d72a9ca56c1d13851e081c1adcc3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:00:42,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:00:42,171 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 01:00:42,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:00:42,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:00:42,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 01:00:42,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:00:42,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:00:42,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:00:42,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:00:42,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:00:42,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:00:42,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:00:42,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:00:42,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:00:42,221 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:00:42,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:00:42,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:00:42,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:00:42,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:00:42,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:00:42,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:00:42,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 01:00:42,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 01:00:42,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:00:42,224 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:00:42,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 01:00:42,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:00:42,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:00:42,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:00:42,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:00:42,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:00:42,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:00:42,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:00:42,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:00:42,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:00:42,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:00:42,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:00:42,229 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-23 01:00:42,229 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 01:00:42,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:00:42,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:00:42,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:00:42,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:00:42,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9d071eb7b85f75dc6596717dd06c1221a6d72a9ca56c1d13851e081c1adcc3 [2024-11-23 01:00:42,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:00:42,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:00:42,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:00:42,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:00:42,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:00:42,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_63_bad.i [2024-11-23 01:00:44,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:00:44,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:00:44,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_63_bad.i [2024-11-23 01:00:44,665 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b579b9407/66fa7cf522ce44079ce2a829af6859db/FLAGea335b807 [2024-11-23 01:00:44,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b579b9407/66fa7cf522ce44079ce2a829af6859db [2024-11-23 01:00:44,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:00:44,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:00:44,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:00:44,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:00:44,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:00:44,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:44" (1/1) ... [2024-11-23 01:00:44,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508c814b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:44, skipping insertion in model container [2024-11-23 01:00:44,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:44" (1/1) ... [2024-11-23 01:00:44,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:00:45,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:00:45,706 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:00:45,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:00:45,971 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:00:45,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45 WrapperNode [2024-11-23 01:00:45,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:00:45,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:00:45,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:00:45,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:00:45,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,036 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-11-23 01:00:46,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:00:46,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:00:46,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:00:46,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:00:46,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,067 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-23 01:00:46,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:00:46,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:00:46,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:00:46,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:00:46,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (1/1) ... [2024-11-23 01:00:46,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:00:46,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:00:46,121 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) [2024-11-23 01:00:46,125 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 [2024-11-23 01:00:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 01:00:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 01:00:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:00:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:00:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:00:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:00:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 01:00:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:00:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 01:00:46,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:00:46,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:00:46,454 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-23 01:00:46,455 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:00:46,471 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:00:46,472 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:00:46,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:46 BoogieIcfgContainer [2024-11-23 01:00:46,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:00:46,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:00:46,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:00:46,480 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:00:46,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:00:44" (1/3) ... [2024-11-23 01:00:46,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9cdd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:00:46, skipping insertion in model container [2024-11-23 01:00:46,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:45" (2/3) ... [2024-11-23 01:00:46,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9cdd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:00:46, skipping insertion in model container [2024-11-23 01:00:46,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:46" (3/3) ... [2024-11-23 01:00:46,483 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_63_bad.i [2024-11-23 01:00:46,500 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:00:46,501 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:00:46,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:00:46,560 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;@1daade6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:00:46,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 01:00:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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) [2024-11-23 01:00:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 01:00:46,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:00:46,576 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:00:46,577 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 01:00:46,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:00:46,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-23 01:00:46,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 01:00:46,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563810348] [2024-11-23 01:00:46,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:00:46,594 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 [2024-11-23 01:00:46,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 01:00:46,615 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) [2024-11-23 01:00:46,619 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 [2024-11-23 01:00:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:00:46,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 01:00:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:00:46,862 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-23 01:00:46,864 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 01:00:46,876 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 01:00:46,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 01:00:46,885 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 [2024-11-23 01:00:47,079 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 [2024-11-23 01:00:47,084 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 01:00:47,103 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:00:47,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:00:47 BoogieIcfgContainer [2024-11-23 01:00:47,106 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:00:47,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:00:47,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:00:47,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:00:47,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:46" (3/4) ... [2024-11-23 01:00:47,110 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 01:00:47,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:00:47,112 INFO L158 Benchmark]: Toolchain (without parser) took 2246.23ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 36.6MB in the beginning and 60.5MB in the end (delta: -23.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-23 01:00:47,113 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 46.1MB. Free memory was 25.3MB in the beginning and 25.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:00:47,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1103.75ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 43.7MB in the end (delta: -7.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-23 01:00:47,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.12ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 40.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:00:47,114 INFO L158 Benchmark]: Boogie Preprocessor took 48.07ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 37.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:00:47,116 INFO L158 Benchmark]: RCFGBuilder took 385.99ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 40.2MB in the end (delta: -2.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 01:00:47,117 INFO L158 Benchmark]: TraceAbstraction took 630.22ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 39.5MB in the beginning and 61.0MB in the end (delta: -21.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-23 01:00:47,118 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 60.5MB in the end (delta: 515.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:00:47,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 46.1MB. Free memory was 25.3MB in the beginning and 25.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1103.75ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 43.7MB in the end (delta: -7.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.12ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 40.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.07ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 37.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 385.99ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 40.2MB in the end (delta: -2.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 630.22ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 39.5MB in the beginning and 61.0MB in the end (delta: -21.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 60.5MB in the end (delta: 515.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] 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: 1568]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=20occurred 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, 0.1s 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 [2024-11-23 01:00:47,145 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