./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_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_predec_12_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 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:48:36,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:48:36,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 19:48:36,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:48:36,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:48:36,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:48:36,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:48:36,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:48:36,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:48:36,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:48:36,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:48:36,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:48:36,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:48:36,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:48:36,799 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:48:36,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:48:36,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:48:36,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 19:48:36,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:48:36,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:48:36,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:48:36,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:48:36,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:48:36,805 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:48:36,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:48:36,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:48:36,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:48:36,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:48:36,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:48:36,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:48:36,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:48:36,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:48:36,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:48:36,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:48:36,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:48:36,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 19:48:36,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 19:48:36,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:48:36,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:48:36,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:48:36,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:48:36,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 [2024-11-12 19:48:37,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:48:37,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:48:37,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:48:37,083 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:48:37,084 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:48:37,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2024-11-12 19:48:38,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:48:38,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:48:38,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2024-11-12 19:48:38,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a3b0095/55c2a3570eca4624989b057db0c21ffc/FLAGc6c159cb7 [2024-11-12 19:48:39,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a3b0095/55c2a3570eca4624989b057db0c21ffc [2024-11-12 19:48:39,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:48:39,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:48:39,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:48:39,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:48:39,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:48:39,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:39,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af7c001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39, skipping insertion in model container [2024-11-12 19:48:39,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:39,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:48:39,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:48:39,790 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:48:39,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:48:39,946 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:48:39,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39 WrapperNode [2024-11-12 19:48:39,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:48:39,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:48:39,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:48:39,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:48:39,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:39,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,008 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-12 19:48:40,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:48:40,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:48:40,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:48:40,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:48:40,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,023 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,032 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:48:40,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:48:40,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:48:40,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:48:40,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:48:40,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (1/1) ... [2024-11-12 19:48:40,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:48:40,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:48:40,080 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 19:48:40,083 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 19:48:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-12 19:48:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-12 19:48:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-12 19:48:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-12 19:48:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:48:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:48:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:48:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:48:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:48:40,252 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:48:40,254 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:48:40,390 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-12 19:48:40,390 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:48:40,403 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:48:40,404 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:48:40,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:40 BoogieIcfgContainer [2024-11-12 19:48:40,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:48:40,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:48:40,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:48:40,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:48:40,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:48:39" (1/3) ... [2024-11-12 19:48:40,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219a33e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:48:40, skipping insertion in model container [2024-11-12 19:48:40,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:39" (2/3) ... [2024-11-12 19:48:40,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219a33e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:48:40, skipping insertion in model container [2024-11-12 19:48:40,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:40" (3/3) ... [2024-11-12 19:48:40,411 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2024-11-12 19:48:40,425 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:48:40,425 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 19:48:40,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:48:40,486 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;@7eaa204, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:48:40,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 19:48:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 30 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 19:48:40,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 19:48:40,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:48:40,501 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:48:40,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 19:48:40,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:48:40,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1213709514, now seen corresponding path program 1 times [2024-11-12 19:48:40,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:48:40,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591282088] [2024-11-12 19:48:40,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:48:40,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:48:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:48:40,699 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:48:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:48:40,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 19:48:40,788 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:48:40,789 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-12 19:48:40,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-12 19:48:40,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-12 19:48:40,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-12 19:48:40,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 19:48:40,797 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 19:48:40,830 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:48:40,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:48:40 BoogieIcfgContainer [2024-11-12 19:48:40,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:48:40,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:48:40,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:48:40,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:48:40,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:40" (3/4) ... [2024-11-12 19:48:40,839 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:48:40,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:48:40,842 INFO L158 Benchmark]: Toolchain (without parser) took 1807.52ms. Allocated memory is still 174.1MB. Free memory was 107.7MB in the beginning and 55.8MB in the end (delta: 51.9MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-12 19:48:40,843 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:48:40,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.56ms. Allocated memory is still 174.1MB. Free memory was 107.7MB in the beginning and 95.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 19:48:40,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.47ms. Allocated memory is still 174.1MB. Free memory was 95.6MB in the beginning and 92.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:48:40,845 INFO L158 Benchmark]: Boogie Preprocessor took 36.99ms. Allocated memory is still 174.1MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:48:40,845 INFO L158 Benchmark]: RCFGBuilder took 357.82ms. Allocated memory is still 174.1MB. Free memory was 90.4MB in the beginning and 75.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 19:48:40,846 INFO L158 Benchmark]: TraceAbstraction took 427.78ms. Allocated memory is still 174.1MB. Free memory was 74.7MB in the beginning and 56.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 19:48:40,846 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 174.1MB. Free memory was 56.9MB in the beginning and 55.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:48:40,851 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 96.5MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.56ms. Allocated memory is still 174.1MB. Free memory was 107.7MB in the beginning and 95.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.47ms. Allocated memory is still 174.1MB. Free memory was 95.6MB in the beginning and 92.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.99ms. Allocated memory is still 174.1MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.82ms. Allocated memory is still 174.1MB. Free memory was 90.4MB in the beginning and 75.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 427.78ms. Allocated memory is still 174.1MB. Free memory was 74.7MB in the beginning and 56.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 174.1MB. Free memory was 56.9MB in the beginning and 55.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: 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 1585. 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] [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_fscanf_predec_12_bad() [L1550] int data; [L1551] data = 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: 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 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 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 19:48:40,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_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 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:48:43,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:48:43,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 19:48:43,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:48:43,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:48:43,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 19:48:43,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:48:43,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:48:43,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:48:43,355 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:48:43,356 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:48:43,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:48:43,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:48:43,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:48:43,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:48:43,360 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:48:43,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:48:43,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:48:43,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:48:43,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:48:43,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:48:43,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:48:43,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 19:48:43,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 19:48:43,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:48:43,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:48:43,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 19:48:43,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:48:43,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:48:43,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:48:43,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:48:43,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:48:43,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:48:43,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:48:43,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:48:43,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:48:43,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:48:43,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:48:43,369 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 19:48:43,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 19:48:43,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:48:43,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:48:43,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:48:43,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:48:43,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62b84c71859e7f655d4d7eb67ff1bb9bb50ba0464e0b92e69b1f09a5208efb76 [2024-11-12 19:48:43,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:48:43,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:48:43,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:48:43,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:48:43,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:48:43,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2024-11-12 19:48:45,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:48:45,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:48:45,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2024-11-12 19:48:45,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b368d0068/5db2f1cb3427484ab838e7f987c6e16e/FLAG232630a2e [2024-11-12 19:48:45,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b368d0068/5db2f1cb3427484ab838e7f987c6e16e [2024-11-12 19:48:45,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:48:45,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:48:45,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:48:45,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:48:45,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:48:45,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:48:45" (1/1) ... [2024-11-12 19:48:45,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f96f831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:45, skipping insertion in model container [2024-11-12 19:48:45,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:48:45" (1/1) ... [2024-11-12 19:48:45,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:48:46,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:48:46,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:48:46,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:48:46,940 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:48:46,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46 WrapperNode [2024-11-12 19:48:46,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:48:46,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:48:46,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:48:46,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:48:46,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:46,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,014 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-12 19:48:47,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:48:47,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:48:47,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:48:47,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:48:47,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,044 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:48:47,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:48:47,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:48:47,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:48:47,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:48:47,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (1/1) ... [2024-11-12 19:48:47,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:48:47,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:48:47,095 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 19:48:47,097 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 19:48:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-12 19:48:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-12 19:48:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-12 19:48:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-12 19:48:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:48:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:48:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:48:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:48:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:48:47,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:48:47,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:48:47,425 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-12 19:48:47,425 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:48:47,438 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:48:47,439 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:48:47,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:47 BoogieIcfgContainer [2024-11-12 19:48:47,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:48:47,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:48:47,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:48:47,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:48:47,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:48:45" (1/3) ... [2024-11-12 19:48:47,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534cde81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:48:47, skipping insertion in model container [2024-11-12 19:48:47,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:46" (2/3) ... [2024-11-12 19:48:47,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534cde81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:48:47, skipping insertion in model container [2024-11-12 19:48:47,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:47" (3/3) ... [2024-11-12 19:48:47,450 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_12_bad.i [2024-11-12 19:48:47,467 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:48:47,467 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 19:48:47,538 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:48:47,545 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;@632108c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:48:47,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 19:48:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 28 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 19:48:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 19:48:47,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:48:47,557 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:48:47,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 19:48:47,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:48:47,589 INFO L85 PathProgramCache]: Analyzing trace with hash -806793905, now seen corresponding path program 1 times [2024-11-12 19:48:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 19:48:47,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262298009] [2024-11-12 19:48:47,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:48:47,605 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 19:48:47,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 19:48:47,608 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 19:48:47,610 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 19:48:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:48:47,738 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:48:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:48:47,817 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 19:48:47,819 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:48:47,820 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-12 19:48:47,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-12 19:48:47,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-12 19:48:47,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-12 19:48:47,828 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 19:48:48,023 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 19:48:48,028 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 19:48:48,060 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:48:48,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:48:48 BoogieIcfgContainer [2024-11-12 19:48:48,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:48:48,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:48:48,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:48:48,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:48:48,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:47" (3/4) ... [2024-11-12 19:48:48,068 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:48:48,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:48:48,071 INFO L158 Benchmark]: Toolchain (without parser) took 2229.23ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 60.1MB in the end (delta: -9.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-12 19:48:48,071 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 58.7MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:48:48,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1099.46ms. Allocated memory is still 81.8MB. Free memory was 50.7MB in the beginning and 28.5MB in the end (delta: 22.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-12 19:48:48,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.48ms. Allocated memory is still 81.8MB. Free memory was 28.5MB in the beginning and 52.1MB in the end (delta: -23.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-12 19:48:48,074 INFO L158 Benchmark]: Boogie Preprocessor took 46.17ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 49.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:48:48,075 INFO L158 Benchmark]: RCFGBuilder took 377.42ms. Allocated memory is still 81.8MB. Free memory was 49.5MB in the beginning and 34.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 19:48:48,077 INFO L158 Benchmark]: TraceAbstraction took 621.19ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 33.7MB in the beginning and 60.1MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:48:48,077 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 100.7MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:48:48,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 58.7MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1099.46ms. Allocated memory is still 81.8MB. Free memory was 50.7MB in the beginning and 28.5MB in the end (delta: 22.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.48ms. Allocated memory is still 81.8MB. Free memory was 28.5MB in the beginning and 52.1MB in the end (delta: -23.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.17ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 49.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.42ms. Allocated memory is still 81.8MB. Free memory was 49.5MB in the beginning and 34.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 621.19ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 33.7MB in the beginning and 60.1MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 100.7MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: 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 1585. 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] [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_fscanf_predec_12_bad() [L1550] int data; [L1551] data = 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: 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 4 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, 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=39occurred 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, 19 NumberOfCodeBlocks, 19 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 19:48:48,112 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