./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:47:16,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:47:16,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 19:47:16,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:47:16,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:47:16,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:47:16,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:47:16,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:47:16,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:47:16,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:47:16,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:47:16,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:47:16,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:47:16,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:47:16,632 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:47:16,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:47:16,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:47:16,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 19:47:16,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:47:16,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:47:16,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:47:16,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:47:16,637 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:47:16,637 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:47:16,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:47:16,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:47:16,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:47:16,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:47:16,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:47:16,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:47:16,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:47:16,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:47:16,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:47:16,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:47:16,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:47:16,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 19:47:16,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 19:47:16,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:47:16,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:47:16,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:47:16,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:47:16,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 [2024-11-12 19:47:16,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:47:16,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:47:16,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:47:16,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:47:16,924 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:47:16,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-12 19:47:18,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:47:18,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:47:18,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-12 19:47:18,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e05991e8/9a87b2b403bd4faf8dfc0b483878b02d/FLAG5b223118f [2024-11-12 19:47:18,770 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e05991e8/9a87b2b403bd4faf8dfc0b483878b02d [2024-11-12 19:47:18,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:47:18,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:47:18,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:47:18,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:47:18,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:47:18,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:47:18" (1/1) ... [2024-11-12 19:47:18,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f22b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:18, skipping insertion in model container [2024-11-12 19:47:18,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:47:18" (1/1) ... [2024-11-12 19:47:18,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:47:19,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:47:19,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:47:19,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:47:19,825 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:47:19,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19 WrapperNode [2024-11-12 19:47:19,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:47:19,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:47:19,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:47:19,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:47:19,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:19,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:19,961 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-12 19:47:19,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:47:19,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:47:19,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:47:19,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:47:19,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:19,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:19,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:19,996 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:47:19,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:19,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:20,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:20,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:20,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:20,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:20,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:47:20,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:47:20,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:47:20,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:47:20,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (1/1) ... [2024-11-12 19:47:20,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:47:20,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:47:20,051 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) [2024-11-12 19:47:20,056 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 [2024-11-12 19:47:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:47:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:47:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:47:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:47:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:47:20,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:47:20,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:47:20,331 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-12 19:47:20,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:47:20,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:47:20,345 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:47:20,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:47:20 BoogieIcfgContainer [2024-11-12 19:47:20,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:47:20,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:47:20,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:47:20,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:47:20,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:47:18" (1/3) ... [2024-11-12 19:47:20,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124aac72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:47:20, skipping insertion in model container [2024-11-12 19:47:20,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:19" (2/3) ... [2024-11-12 19:47:20,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124aac72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:47:20, skipping insertion in model container [2024-11-12 19:47:20,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:47:20" (3/3) ... [2024-11-12 19:47:20,352 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-12 19:47:20,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:47:20,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 19:47:20,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:47:20,420 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;@76d2cee4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:47:20,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 19:47:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-12 19:47:20,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 19:47:20,431 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:47:20,432 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:47:20,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:47:20,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:47:20,440 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-12 19:47:20,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:47:20,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592355899] [2024-11-12 19:47:20,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:47:20,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:47:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:47:20,579 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:47:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:47:20,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 19:47:20,629 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:47:20,630 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 19:47:20,632 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 19:47:20,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 19:47:20,638 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 19:47:20,662 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:47:20,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:47:20 BoogieIcfgContainer [2024-11-12 19:47:20,665 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:47:20,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:47:20,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:47:20,666 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:47:20,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:47:20" (3/4) ... [2024-11-12 19:47:20,670 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:47:20,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:47:20,672 INFO L158 Benchmark]: Toolchain (without parser) took 1898.09ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 109.2MB in the end (delta: 6.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-12 19:47:20,672 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 174.1MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:47:20,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.60ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 50.3MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-12 19:47:20,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.24ms. Allocated memory is still 174.1MB. Free memory was 50.3MB in the beginning and 140.4MB in the end (delta: -90.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 19:47:20,674 INFO L158 Benchmark]: Boogie Preprocessor took 51.27ms. Allocated memory is still 174.1MB. Free memory was 140.4MB in the beginning and 138.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:47:20,675 INFO L158 Benchmark]: RCFGBuilder took 330.75ms. Allocated memory is still 174.1MB. Free memory was 138.3MB in the beginning and 125.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 19:47:20,676 INFO L158 Benchmark]: TraceAbstraction took 317.77ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 109.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 19:47:20,676 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 174.1MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:47:20,679 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 174.1MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.60ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 50.3MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.24ms. Allocated memory is still 174.1MB. Free memory was 50.3MB in the beginning and 140.4MB in the end (delta: -90.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.27ms. Allocated memory is still 174.1MB. Free memory was 140.4MB in the beginning and 138.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.75ms. Allocated memory is still 174.1MB. Free memory was 138.3MB in the beginning and 125.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 317.77ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 109.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 174.1MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 19:47:20,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:47:22,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:47:22,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 19:47:22,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:47:22,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:47:22,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 19:47:22,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:47:22,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:47:22,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:47:22,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:47:22,960 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:47:22,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:47:22,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:47:22,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:47:22,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:47:22,965 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:47:22,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:47:22,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:47:22,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:47:22,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:47:22,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:47:22,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:47:22,969 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 19:47:22,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 19:47:22,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:47:22,970 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:47:22,970 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 19:47:22,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:47:22,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:47:22,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:47:22,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:47:22,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:47:22,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:47:22,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:47:22,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:47:22,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:47:22,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:47:22,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:47:22,974 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 19:47:22,975 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 19:47:22,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:47:22,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:47:22,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:47:22,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:47:22,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 [2024-11-12 19:47:23,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:47:23,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:47:23,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:47:23,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:47:23,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:47:23,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-12 19:47:24,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:47:25,335 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:47:25,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-12 19:47:25,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c735ba342/6b35a6906cbc4725be6086053afa6197/FLAG55ccd1b75 [2024-11-12 19:47:25,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c735ba342/6b35a6906cbc4725be6086053afa6197 [2024-11-12 19:47:25,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:47:25,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:47:25,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:47:25,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:47:25,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:47:25,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:47:25" (1/1) ... [2024-11-12 19:47:25,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e52f2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:25, skipping insertion in model container [2024-11-12 19:47:25,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:47:25" (1/1) ... [2024-11-12 19:47:25,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:47:26,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:47:26,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:47:26,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:47:26,616 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:47:26,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26 WrapperNode [2024-11-12 19:47:26,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:47:26,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:47:26,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:47:26,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:47:26,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,681 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-12 19:47:26,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:47:26,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:47:26,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:47:26,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:47:26,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,697 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,712 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:47:26,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:47:26,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:47:26,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:47:26,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:47:26,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (1/1) ... [2024-11-12 19:47:26,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:47:26,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:47:26,769 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) [2024-11-12 19:47:26,773 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 [2024-11-12 19:47:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:47:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:47:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:47:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:47:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:47:26,966 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:47:26,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:47:27,083 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-12 19:47:27,083 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:47:27,096 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:47:27,096 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:47:27,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:47:27 BoogieIcfgContainer [2024-11-12 19:47:27,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:47:27,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:47:27,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:47:27,101 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:47:27,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:47:25" (1/3) ... [2024-11-12 19:47:27,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b58693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:47:27, skipping insertion in model container [2024-11-12 19:47:27,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:47:26" (2/3) ... [2024-11-12 19:47:27,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b58693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:47:27, skipping insertion in model container [2024-11-12 19:47:27,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:47:27" (3/3) ... [2024-11-12 19:47:27,107 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-12 19:47:27,125 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:47:27,126 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 19:47:27,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:47:27,191 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;@5c23b5d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:47:27,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 19:47:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-12 19:47:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 19:47:27,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:47:27,200 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:47:27,201 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:47:27,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:47:27,211 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-12 19:47:27,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 19:47:27,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957856988] [2024-11-12 19:47:27,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:47:27,223 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 [2024-11-12 19:47:27,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 19:47:27,227 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) [2024-11-12 19:47:27,229 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 [2024-11-12 19:47:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:47:27,369 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:47:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:47:27,428 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 19:47:27,430 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:47:27,431 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 19:47:27,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 19:47:27,439 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 [2024-11-12 19:47:27,634 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 [2024-11-12 19:47:27,638 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 19:47:27,655 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:47:27,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:47:27 BoogieIcfgContainer [2024-11-12 19:47:27,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:47:27,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:47:27,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:47:27,665 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:47:27,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:47:27" (3/4) ... [2024-11-12 19:47:27,668 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:47:27,669 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:47:27,670 INFO L158 Benchmark]: Toolchain (without parser) took 2284.49ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 58.3MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:47:27,670 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 26.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:47:27,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.41ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 39.2MB in the beginning and 43.4MB in the end (delta: -4.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-12 19:47:27,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.21ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:47:27,672 INFO L158 Benchmark]: Boogie Preprocessor took 50.18ms. Allocated memory is still 88.1MB. Free memory was 40.5MB in the beginning and 38.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 19:47:27,673 INFO L158 Benchmark]: RCFGBuilder took 362.82ms. Allocated memory is still 88.1MB. Free memory was 38.0MB in the beginning and 49.4MB in the end (delta: -11.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-12 19:47:27,673 INFO L158 Benchmark]: TraceAbstraction took 566.14ms. Allocated memory is still 88.1MB. Free memory was 48.9MB in the beginning and 58.8MB in the end (delta: -9.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 19:47:27,674 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 58.3MB in the end (delta: 497.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:47:27,676 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 26.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.41ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 39.2MB in the beginning and 43.4MB in the end (delta: -4.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.21ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.18ms. Allocated memory is still 88.1MB. Free memory was 40.5MB in the beginning and 38.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 362.82ms. Allocated memory is still 88.1MB. Free memory was 38.0MB in the beginning and 49.4MB in the end (delta: -11.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * TraceAbstraction took 566.14ms. Allocated memory is still 88.1MB. Free memory was 48.9MB in the beginning and 58.8MB in the end (delta: -9.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 58.3MB in the end (delta: 497.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 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=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 19:47:27,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample