./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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_68_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:08:37,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:08:37,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:08:37,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:08:37,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:08:37,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:08:37,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:08:37,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:08:37,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:08:37,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:08:37,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:08:37,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:08:37,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:08:37,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:08:37,802 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:08:37,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:08:37,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:08:37,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:08:37,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:08:37,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:08:37,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:08:37,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:08:37,804 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:08:37,805 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:08:37,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:08:37,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:08:37,807 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:08:37,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:08:37,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:08:37,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:08:37,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:08:37,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:08:37,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:08:37,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:08:37,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:08:37,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:08:37,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:08:37,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:08:37,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:08:37,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:08:37,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:08:37,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd [2024-11-19 13:08:38,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:08:38,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:08:38,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:08:38,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:08:38,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:08:38,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-19 13:08:39,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:08:39,585 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:08:39,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-19 13:08:39,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46230fed3/d76bc906992c4313b2cd8b7e94af4f30/FLAG797925a67 [2024-11-19 13:08:39,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46230fed3/d76bc906992c4313b2cd8b7e94af4f30 [2024-11-19 13:08:39,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:08:39,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:08:39,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:08:39,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:08:39,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:08:39,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:08:39" (1/1) ... [2024-11-19 13:08:39,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e71cc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:39, skipping insertion in model container [2024-11-19 13:08:39,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:08:39" (1/1) ... [2024-11-19 13:08:39,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:08:40,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:08:40,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:08:40,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:08:40,321 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:08:40,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40 WrapperNode [2024-11-19 13:08:40,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:08:40,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:08:40,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:08:40,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:08:40,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,377 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-19 13:08:40,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:08:40,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:08:40,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:08:40,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:08:40,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,406 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:08:40,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:08:40,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:08:40,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:08:40,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:08:40,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (1/1) ... [2024-11-19 13:08:40,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:08:40,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:08:40,443 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) [2024-11-19 13:08:40,445 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 [2024-11-19 13:08:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:08:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:08:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:08:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:08:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:08:40,603 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:08:40,604 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:08:40,664 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-19 13:08:40,664 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:08:40,673 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:08:40,673 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:08:40,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:08:40 BoogieIcfgContainer [2024-11-19 13:08:40,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:08:40,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:08:40,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:08:40,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:08:40,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:08:39" (1/3) ... [2024-11-19 13:08:40,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd381ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:08:40, skipping insertion in model container [2024-11-19 13:08:40,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:40" (2/3) ... [2024-11-19 13:08:40,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd381ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:08:40, skipping insertion in model container [2024-11-19 13:08:40,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:08:40" (3/3) ... [2024-11-19 13:08:40,680 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-19 13:08:40,691 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:08:40,691 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:08:40,729 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:08:40,735 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;@58a7433, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:08:40,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:08:40,745 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) [2024-11-19 13:08:40,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 13:08:40,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:08:40,750 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:08:40,750 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:08:40,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:08:40,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-19 13:08:40,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:08:40,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380261550] [2024-11-19 13:08:40,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:08:40,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:08:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:08:40,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:08:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:08:40,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:08:40,911 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:08:40,912 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:08:40,913 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:08:40,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:08:40,916 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:08:40,935 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:08:40,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:08:40 BoogieIcfgContainer [2024-11-19 13:08:40,938 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:08:40,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:08:40,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:08:40,940 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:08:40,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:08:40" (3/4) ... [2024-11-19 13:08:40,942 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:08:40,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:08:40,944 INFO L158 Benchmark]: Toolchain (without parser) took 1325.26ms. Allocated memory is still 163.6MB. Free memory was 127.8MB in the beginning and 104.3MB in the end (delta: 23.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-19 13:08:40,945 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:08:40,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.08ms. Allocated memory is still 163.6MB. Free memory was 127.8MB in the beginning and 62.0MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-19 13:08:40,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.86ms. Allocated memory is still 163.6MB. Free memory was 62.0MB in the beginning and 58.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:08:40,947 INFO L158 Benchmark]: Boogie Preprocessor took 35.62ms. Allocated memory is still 163.6MB. Free memory was 58.8MB in the beginning and 57.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:08:40,948 INFO L158 Benchmark]: RCFGBuilder took 259.10ms. Allocated memory is still 163.6MB. Free memory was 57.8MB in the beginning and 121.1MB in the end (delta: -63.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 13:08:40,949 INFO L158 Benchmark]: TraceAbstraction took 263.94ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 104.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:08:40,949 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 163.6MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:08:40,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.08ms. Allocated memory is still 163.6MB. Free memory was 127.8MB in the beginning and 62.0MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.86ms. Allocated memory is still 163.6MB. Free memory was 62.0MB in the beginning and 58.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.62ms. Allocated memory is still 163.6MB. Free memory was 58.8MB in the beginning and 57.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.10ms. Allocated memory is still 163.6MB. Free memory was 57.8MB in the beginning and 121.1MB in the end (delta: -63.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 263.94ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 104.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 163.6MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1550] int CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData; VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 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=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, 0.0s 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 [2024-11-19 13:08:40,983 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_68_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:08:42,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:08:42,787 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:08:42,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:08:42,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:08:42,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:08:42,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:08:42,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:08:42,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:08:42,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:08:42,822 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:08:42,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:08:42,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:08:42,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:08:42,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:08:42,823 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:08:42,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:08:42,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:08:42,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:08:42,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:08:42,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:08:42,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:08:42,825 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:08:42,825 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:08:42,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:08:42,826 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:08:42,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:08:42,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:08:42,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:08:42,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:08:42,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:08:42,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:08:42,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:08:42,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:08:42,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:08:42,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:08:42,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:08:42,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:08:42,829 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:08:42,829 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:08:42,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:08:42,830 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:08:42,830 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:08:42,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:08:42,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd [2024-11-19 13:08:43,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:08:43,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:08:43,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:08:43,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:08:43,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:08:43,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-19 13:08:44,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:08:44,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:08:44,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-19 13:08:44,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd8ca4d7/507b323c9100418b8ac9d47ec5d5eb11/FLAG6b41dc72c [2024-11-19 13:08:44,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd8ca4d7/507b323c9100418b8ac9d47ec5d5eb11 [2024-11-19 13:08:44,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:08:44,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:08:44,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:08:44,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:08:44,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:08:44,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:08:44" (1/1) ... [2024-11-19 13:08:44,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423a0cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:44, skipping insertion in model container [2024-11-19 13:08:44,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:08:44" (1/1) ... [2024-11-19 13:08:44,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:08:45,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:08:45,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:08:45,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:08:45,759 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:08:45,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45 WrapperNode [2024-11-19 13:08:45,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:08:45,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:08:45,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:08:45,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:08:45,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,817 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-19 13:08:45,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:08:45,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:08:45,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:08:45,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:08:45,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,845 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:08:45,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:08:45,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:08:45,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:08:45,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:08:45,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (1/1) ... [2024-11-19 13:08:45,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:08:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:08:45,894 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) [2024-11-19 13:08:45,896 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 [2024-11-19 13:08:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:08:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:08:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:08:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:08:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:08:46,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:08:46,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:08:46,122 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-19 13:08:46,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:08:46,132 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:08:46,132 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:08:46,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:08:46 BoogieIcfgContainer [2024-11-19 13:08:46,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:08:46,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:08:46,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:08:46,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:08:46,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:08:44" (1/3) ... [2024-11-19 13:08:46,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f62f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:08:46, skipping insertion in model container [2024-11-19 13:08:46,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:08:45" (2/3) ... [2024-11-19 13:08:46,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f62f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:08:46, skipping insertion in model container [2024-11-19 13:08:46,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:08:46" (3/3) ... [2024-11-19 13:08:46,140 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-19 13:08:46,153 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:08:46,154 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:08:46,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:08:46,215 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;@71d5e399, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:08:46,216 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:08:46,218 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) [2024-11-19 13:08:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 13:08:46,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:08:46,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:08:46,225 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:08:46,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:08:46,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-19 13:08:46,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:08:46,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055685520] [2024-11-19 13:08:46,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:08:46,259 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 [2024-11-19 13:08:46,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:08:46,262 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) [2024-11-19 13:08:46,263 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 [2024-11-19 13:08:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:08:46,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:08:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:08:46,392 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:08:46,394 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:08:46,394 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:08:46,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:08:46,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-19 13:08:46,596 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 [2024-11-19 13:08:46,600 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:08:46,614 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:08:46,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:08:46 BoogieIcfgContainer [2024-11-19 13:08:46,616 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:08:46,617 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:08:46,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:08:46,618 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:08:46,618 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:08:46" (3/4) ... [2024-11-19 13:08:46,620 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:08:46,621 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:08:46,622 INFO L158 Benchmark]: Toolchain (without parser) took 1679.24ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 44.6MB in the beginning and 45.9MB in the end (delta: -1.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-19 13:08:46,622 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:08:46,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.81ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 44.3MB in the beginning and 33.9MB in the end (delta: 10.4MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-19 13:08:46,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.38ms. Allocated memory is still 83.9MB. Free memory was 33.9MB in the beginning and 54.5MB in the end (delta: -20.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-19 13:08:46,624 INFO L158 Benchmark]: Boogie Preprocessor took 45.88ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 52.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:08:46,625 INFO L158 Benchmark]: RCFGBuilder took 268.28ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 38.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:08:46,625 INFO L158 Benchmark]: TraceAbstraction took 481.17ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 46.3MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:08:46,625 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.9MB in the end (delta: 491.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:08:46,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 818.81ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 44.3MB in the beginning and 33.9MB in the end (delta: 10.4MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.38ms. Allocated memory is still 83.9MB. Free memory was 33.9MB in the beginning and 54.5MB in the end (delta: -20.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.88ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 52.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 268.28ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 38.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 481.17ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 46.3MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.9MB in the end (delta: 491.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_fscanf_postdec_68_badData; [L1549] int CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData; VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.0s 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 [2024-11-19 13:08:46,651 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