./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_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_32_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 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:48:52,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:48:52,337 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 19:48:52,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:48:52,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:48:52,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:48:52,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:48:52,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:48:52,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:48:52,368 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:48:52,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:48:52,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:48:52,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:48:52,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:48:52,369 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:48:52,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:48:52,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:48:52,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 19:48:52,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:48:52,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:48:52,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:48:52,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:48:52,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:48:52,372 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:48:52,372 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:48:52,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:48:52,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:48:52,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:48:52,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:48:52,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:48:52,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:48:52,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:48:52,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:48:52,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:48:52,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:48:52,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 19:48:52,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 19:48:52,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:48:52,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:48:52,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:48:52,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:48:52,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 [2024-11-12 19:48:52,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:48:52,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:48:52,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:48:52,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:48:52,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:48:52,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-12 19:48:53,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:48:54,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:48:54,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-12 19:48:54,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0be0320/e9a1fd329e16488b98b2399d918b826e/FLAG67c43cbd0 [2024-11-12 19:48:54,231 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0be0320/e9a1fd329e16488b98b2399d918b826e [2024-11-12 19:48:54,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:48:54,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:48:54,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:48:54,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:48:54,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:48:54,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:48:54" (1/1) ... [2024-11-12 19:48:54,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e60a72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:54, skipping insertion in model container [2024-11-12 19:48:54,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:48:54" (1/1) ... [2024-11-12 19:48:54,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:48:54,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:48:54,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:48:54,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:48:55,055 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:48:55,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55 WrapperNode [2024-11-12 19:48:55,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:48:55,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:48:55,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:48:55,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:48:55,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,109 INFO L138 Inliner]: procedures = 498, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-12 19:48:55,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:48:55,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:48:55,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:48:55,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:48:55,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,126 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,147 INFO L175 MemorySlicer]: Split 11 memory accesses to 3 slices as follows [3, 4, 4]. 36 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1, 0]. The 4 writes are split as follows [1, 1, 2]. [2024-11-12 19:48:55,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:48:55,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:48:55,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:48:55,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:48:55,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (1/1) ... [2024-11-12 19:48:55,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:48:55,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:48:55,240 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 19:48:55,242 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 19:48:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:48:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 19:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 19:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 19:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 19:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:48:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 19:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 19:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 19:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 19:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 19:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 19:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 19:48:55,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:48:55,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:48:55,580 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-12 19:48:55,580 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:48:55,593 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:48:55,595 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:48:55,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:55 BoogieIcfgContainer [2024-11-12 19:48:55,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:48:55,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:48:55,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:48:55,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:48:55,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:48:54" (1/3) ... [2024-11-12 19:48:55,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b4ebbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:48:55, skipping insertion in model container [2024-11-12 19:48:55,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:48:55" (2/3) ... [2024-11-12 19:48:55,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b4ebbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:48:55, skipping insertion in model container [2024-11-12 19:48:55,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:55" (3/3) ... [2024-11-12 19:48:55,604 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-12 19:48:55,620 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:48:55,620 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 19:48:55,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:48:55,678 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;@2e7e70e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:48:55,678 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 19:48:55,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 19:48:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 19:48:55,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:48:55,688 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:48:55,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:48:55,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:48:55,694 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-12 19:48:55,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:48:55,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564697975] [2024-11-12 19:48:55,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:48:55,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:48:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:48:55,849 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:48:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:48:55,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 19:48:55,890 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:48:55,891 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 19:48:55,893 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 19:48:55,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 19:48:55,897 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 19:48:55,922 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:48:55,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:48:55 BoogieIcfgContainer [2024-11-12 19:48:55,926 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:48:55,926 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:48:55,926 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:48:55,927 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:48:55,927 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:48:55" (3/4) ... [2024-11-12 19:48:55,930 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:48:55,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:48:55,932 INFO L158 Benchmark]: Toolchain (without parser) took 1696.93ms. Allocated memory is still 148.9MB. Free memory was 115.5MB in the beginning and 81.1MB in the end (delta: 34.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-12 19:48:55,933 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:48:55,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.58ms. Allocated memory is still 148.9MB. Free memory was 115.5MB in the beginning and 49.6MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-12 19:48:55,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.55ms. Allocated memory is still 148.9MB. Free memory was 49.6MB in the beginning and 47.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:48:55,935 INFO L158 Benchmark]: Boogie Preprocessor took 47.40ms. Allocated memory is still 148.9MB. Free memory was 47.1MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:48:55,935 INFO L158 Benchmark]: RCFGBuilder took 428.60ms. Allocated memory is still 148.9MB. Free memory was 117.7MB in the beginning and 103.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 19:48:55,936 INFO L158 Benchmark]: TraceAbstraction took 328.44ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 81.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 19:48:55,937 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 148.9MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:48:55,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 818.58ms. Allocated memory is still 148.9MB. Free memory was 115.5MB in the beginning and 49.6MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.55ms. Allocated memory is still 148.9MB. Free memory was 49.6MB in the beginning and 47.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.40ms. Allocated memory is still 148.9MB. Free memory was 47.1MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.60ms. Allocated memory is still 148.9MB. Free memory was 117.7MB in the beginning and 103.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 328.44ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 81.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 148.9MB. Free memory is still 81.1MB. 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: 1562]: 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 1571. 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] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] EXPR \read(data) [L1557] *dataPtr1 = data [L1555] int data = *dataPtr1; [L1560] int data = *dataPtr2; [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] EXPR \read(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] [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 19:48:55,970 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_32_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 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:48:58,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:48:58,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 19:48:58,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:48:58,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:48:58,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 19:48:58,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:48:58,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:48:58,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:48:58,133 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:48:58,133 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:48:58,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:48:58,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:48:58,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:48:58,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:48:58,134 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:48:58,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:48:58,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:48:58,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:48:58,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:48:58,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:48:58,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:48:58,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 19:48:58,137 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 19:48:58,137 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:48:58,137 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:48:58,138 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 19:48:58,138 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:48:58,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:48:58,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:48:58,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:48:58,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:48:58,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:48:58,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:48:58,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:48:58,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:48:58,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:48:58,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:48:58,140 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 19:48:58,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 19:48:58,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:48:58,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:48:58,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:48:58,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:48:58,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 [2024-11-12 19:48:58,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:48:58,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:48:58,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:48:58,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:48:58,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:48:58,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-12 19:48:59,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:48:59,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:48:59,992 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-12 19:49:00,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ebf3ab22/1f5204c3f79d47dda31a24f92a36d92e/FLAG53cf098f0 [2024-11-12 19:49:00,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ebf3ab22/1f5204c3f79d47dda31a24f92a36d92e [2024-11-12 19:49:00,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:49:00,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:49:00,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:49:00,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:49:00,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:49:00,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f11dabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00, skipping insertion in model container [2024-11-12 19:49:00,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:49:00,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:49:00,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:49:00,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:49:00,885 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:49:00,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00 WrapperNode [2024-11-12 19:49:00,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:49:00,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:49:00,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:49:00,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:49:00,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,951 INFO L138 Inliner]: procedures = 503, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-12 19:49:00,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:49:00,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:49:00,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:49:00,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:49:00,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,978 INFO L175 MemorySlicer]: Split 11 memory accesses to 3 slices as follows [4, 4, 3]. 36 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 0, 1]. The 4 writes are split as follows [1, 2, 1]. [2024-11-12 19:49:00,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:49:00,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:49:00,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:49:00,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:49:00,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (1/1) ... [2024-11-12 19:49:00,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:49:01,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:49:01,026 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 19:49:01,032 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 19:49:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:49:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:49:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 19:49:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-12 19:49:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-12 19:49:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-12 19:49:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:49:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:49:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:49:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-12 19:49:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-12 19:49:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-12 19:49:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 19:49:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-12 19:49:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-12 19:49:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-12 19:49:01,236 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:49:01,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:49:01,433 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 19:49:01,433 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:49:01,450 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:49:01,450 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:49:01,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:49:01 BoogieIcfgContainer [2024-11-12 19:49:01,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:49:01,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:49:01,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:49:01,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:49:01,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:49:00" (1/3) ... [2024-11-12 19:49:01,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b0c37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:49:01, skipping insertion in model container [2024-11-12 19:49:01,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:49:00" (2/3) ... [2024-11-12 19:49:01,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b0c37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:49:01, skipping insertion in model container [2024-11-12 19:49:01,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:49:01" (3/3) ... [2024-11-12 19:49:01,459 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2024-11-12 19:49:01,477 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:49:01,477 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 19:49:01,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:49:01,557 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;@397976c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:49:01,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 19:49:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 19:49:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 19:49:01,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:49:01,567 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:49:01,567 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:49:01,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:49:01,575 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-12 19:49:01,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 19:49:01,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766161354] [2024-11-12 19:49:01,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:49:01,587 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 19:49:01,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 19:49:01,609 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 19:49:01,611 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 19:49:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:49:01,746 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:49:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:49:01,817 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 19:49:01,819 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:49:01,821 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 19:49:01,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 19:49:01,831 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 19:49:02,027 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 19:49:02,031 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 19:49:02,053 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:49:02,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:49:02 BoogieIcfgContainer [2024-11-12 19:49:02,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:49:02,055 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:49:02,055 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:49:02,055 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:49:02,056 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:49:01" (3/4) ... [2024-11-12 19:49:02,058 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:49:02,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:49:02,061 INFO L158 Benchmark]: Toolchain (without parser) took 2025.30ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 37.2MB in the beginning and 35.0MB in the end (delta: 2.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-12 19:49:02,061 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:49:02,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.32ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 37.0MB in the beginning and 54.9MB in the end (delta: -17.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-12 19:49:02,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.76ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 51.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:49:02,065 INFO L158 Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 19:49:02,065 INFO L158 Benchmark]: RCFGBuilder took 458.56ms. Allocated memory is still 86.0MB. Free memory was 48.7MB in the beginning and 57.1MB in the end (delta: -8.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 19:49:02,066 INFO L158 Benchmark]: TraceAbstraction took 602.06ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 35.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 19:49:02,066 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 86.0MB. Free memory was 35.6MB in the beginning and 35.0MB in the end (delta: 525.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:49:02,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.32ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 37.0MB in the beginning and 54.9MB in the end (delta: -17.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.76ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 51.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.57ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 458.56ms. Allocated memory is still 86.0MB. Free memory was 48.7MB in the beginning and 57.1MB in the end (delta: -8.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 602.06ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 35.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 86.0MB. Free memory was 35.6MB in the beginning and 35.0MB in the end (delta: 525.2kB). 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: 1562]: 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 1571. 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] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] EXPR \read(data) [L1557] *dataPtr1 = data [L1555] int data = *dataPtr1; [L1560] int data = *dataPtr2; [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] EXPR \read(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] [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 19:49:02,099 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