./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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_sub_03_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 1a0f93bf9b138786b97e456275bccb441fcaf0c0135ea273562dbb5065ee9c2d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:56:06,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:56:07,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 06:56:07,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:56:07,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:56:07,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:56:07,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:56:07,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:56:07,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:56:07,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:56:07,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:56:07,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:56:07,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:56:07,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:56:07,051 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:56:07,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:56:07,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:56:07,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 06:56:07,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:56:07,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:56:07,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:56:07,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:56:07,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:56:07,054 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:56:07,055 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:56:07,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:56:07,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:56:07,055 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:56:07,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:56:07,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:56:07,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:56:07,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:56:07,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:56:07,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:56:07,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:56:07,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 06:56:07,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 06:56:07,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:56:07,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:56:07,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:56:07,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:56:07,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0f93bf9b138786b97e456275bccb441fcaf0c0135ea273562dbb5065ee9c2d [2024-11-17 06:56:07,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:56:07,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:56:07,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:56:07,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:56:07,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:56:07,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-17 06:56:08,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:56:08,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:56:08,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-17 06:56:08,747 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3923c51/63e6346690074ea2bbe941c72e2501cf/FLAG96f7b5975 [2024-11-17 06:56:09,038 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3923c51/63e6346690074ea2bbe941c72e2501cf [2024-11-17 06:56:09,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:56:09,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:56:09,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:56:09,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:56:09,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:56:09,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122fa815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09, skipping insertion in model container [2024-11-17 06:56:09,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:56:09,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:56:09,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:56:09,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:56:09,855 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:56:09,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09 WrapperNode [2024-11-17 06:56:09,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:56:09,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:56:09,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:56:09,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:56:09,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,900 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-17 06:56:09,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:56:09,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:56:09,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:56:09,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:56:09,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,925 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 06:56:09,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,929 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:56:09,940 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:56:09,940 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:56:09,940 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:56:09,941 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (1/1) ... [2024-11-17 06:56:09,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:56:09,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:56:09,973 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) [2024-11-17 06:56:09,975 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 [2024-11-17 06:56:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:56:10,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:56:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:56:10,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:56:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:56:10,140 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:56:10,142 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:56:10,237 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-17 06:56:10,237 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:56:10,246 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:56:10,246 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:56:10,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:10 BoogieIcfgContainer [2024-11-17 06:56:10,247 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:56:10,249 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:56:10,250 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:56:10,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:56:10,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:56:09" (1/3) ... [2024-11-17 06:56:10,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7e9df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:56:10, skipping insertion in model container [2024-11-17 06:56:10,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:09" (2/3) ... [2024-11-17 06:56:10,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7e9df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:56:10, skipping insertion in model container [2024-11-17 06:56:10,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:10" (3/3) ... [2024-11-17 06:56:10,254 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-17 06:56:10,268 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:56:10,269 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:56:10,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:56:10,327 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;@53b65742, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:56:10,327 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:56:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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) [2024-11-17 06:56:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 06:56:10,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:56:10,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:56:10,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:56:10,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:56:10,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1028074867, now seen corresponding path program 1 times [2024-11-17 06:56:10,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:56:10,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985940918] [2024-11-17 06:56:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:56:10,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:56:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:56:10,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:56:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:56:10,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 06:56:10,480 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:56:10,481 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:56:10,482 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:56:10,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 06:56:10,489 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 06:56:10,511 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:56:10,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:56:10 BoogieIcfgContainer [2024-11-17 06:56:10,515 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:56:10,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:56:10,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:56:10,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:56:10,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:10" (3/4) ... [2024-11-17 06:56:10,519 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:56:10,520 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:56:10,520 INFO L158 Benchmark]: Toolchain (without parser) took 1479.52ms. Allocated memory is still 148.9MB. Free memory was 77.1MB in the beginning and 97.5MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:10,521 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 148.9MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:10,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.38ms. Allocated memory is still 148.9MB. Free memory was 76.8MB in the beginning and 59.1MB in the end (delta: 17.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-17 06:56:10,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.97ms. Allocated memory is still 148.9MB. Free memory was 59.1MB in the beginning and 56.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 06:56:10,523 INFO L158 Benchmark]: Boogie Preprocessor took 32.48ms. Allocated memory is still 148.9MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:56:10,523 INFO L158 Benchmark]: IcfgBuilder took 307.75ms. Allocated memory is still 148.9MB. Free memory was 54.4MB in the beginning and 114.3MB in the end (delta: -60.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-17 06:56:10,524 INFO L158 Benchmark]: TraceAbstraction took 265.81ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 98.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 06:56:10,524 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 148.9MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:10,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 148.9MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.38ms. Allocated memory is still 148.9MB. Free memory was 76.8MB in the beginning and 59.1MB in the end (delta: 17.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.97ms. Allocated memory is still 148.9MB. Free memory was 59.1MB in the beginning and 56.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.48ms. Allocated memory is still 148.9MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 307.75ms. Allocated memory is still 148.9MB. Free memory was 54.4MB in the beginning and 114.3MB in the end (delta: -60.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 265.81ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 98.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 148.9MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: 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 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 5==5 [L1556] COND TRUE 5==5 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] [L1559] data - 1 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: 1559]: 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, 22 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=22occurred 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, 11 NumberOfCodeBlocks, 11 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 [2024-11-17 06:56:10,553 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_sub_03_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 1a0f93bf9b138786b97e456275bccb441fcaf0c0135ea273562dbb5065ee9c2d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:56:12,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:56:12,314 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 06:56:12,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:56:12,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:56:12,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 06:56:12,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:56:12,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:56:12,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:56:12,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:56:12,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:56:12,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:56:12,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:56:12,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:56:12,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:56:12,342 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:56:12,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:56:12,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:56:12,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:56:12,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:56:12,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:56:12,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:56:12,345 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 06:56:12,346 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 06:56:12,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:56:12,346 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:56:12,346 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 06:56:12,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:56:12,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:56:12,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:56:12,347 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:56:12,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:56:12,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:56:12,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:56:12,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:56:12,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:56:12,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:56:12,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:56:12,348 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 06:56:12,348 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 06:56:12,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:56:12,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:56:12,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:56:12,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:56:12,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0f93bf9b138786b97e456275bccb441fcaf0c0135ea273562dbb5065ee9c2d [2024-11-17 06:56:12,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:56:12,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:56:12,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:56:12,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:56:12,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:56:12,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-17 06:56:13,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:56:14,134 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:56:14,135 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-17 06:56:14,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983dcfe38/86e855fe78b443f392d6c73aac92a280/FLAG1c9d40ab4 [2024-11-17 06:56:14,172 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983dcfe38/86e855fe78b443f392d6c73aac92a280 [2024-11-17 06:56:14,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:56:14,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:56:14,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:56:14,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:56:14,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:56:14,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:14,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180f85e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14, skipping insertion in model container [2024-11-17 06:56:14,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:14,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:56:14,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:56:14,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:56:14,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:56:14,981 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:56:14,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14 WrapperNode [2024-11-17 06:56:14,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:56:14,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:56:14,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:56:14,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:56:14,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,024 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-17 06:56:15,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:56:15,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:56:15,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:56:15,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:56:15,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,049 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 06:56:15,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,063 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:56:15,077 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:56:15,078 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:56:15,078 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:56:15,078 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (1/1) ... [2024-11-17 06:56:15,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:56:15,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:56:15,114 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) [2024-11-17 06:56:15,117 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 [2024-11-17 06:56:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:56:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:56:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:56:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:56:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:56:15,286 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:56:15,288 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:56:15,379 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-17 06:56:15,379 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:56:15,392 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:56:15,392 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:56:15,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:15 BoogieIcfgContainer [2024-11-17 06:56:15,392 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:56:15,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:56:15,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:56:15,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:56:15,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:56:14" (1/3) ... [2024-11-17 06:56:15,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ae9dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:56:15, skipping insertion in model container [2024-11-17 06:56:15,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:14" (2/3) ... [2024-11-17 06:56:15,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ae9dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:56:15, skipping insertion in model container [2024-11-17 06:56:15,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:15" (3/3) ... [2024-11-17 06:56:15,408 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-17 06:56:15,420 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:56:15,421 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:56:15,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:56:15,477 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;@7c68aebe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:56:15,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:56:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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) [2024-11-17 06:56:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 06:56:15,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:56:15,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:56:15,488 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:56:15,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:56:15,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1028074867, now seen corresponding path program 1 times [2024-11-17 06:56:15,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 06:56:15,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119985179] [2024-11-17 06:56:15,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:56:15,504 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 [2024-11-17 06:56:15,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 06:56:15,507 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) [2024-11-17 06:56:15,507 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 [2024-11-17 06:56:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:56:15,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:56:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:56:15,642 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 06:56:15,644 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:56:15,645 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:56:15,646 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:56:15,651 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 [2024-11-17 06:56:15,847 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 [2024-11-17 06:56:15,851 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 06:56:15,867 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:56:15,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:56:15 BoogieIcfgContainer [2024-11-17 06:56:15,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:56:15,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:56:15,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:56:15,870 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:56:15,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:15" (3/4) ... [2024-11-17 06:56:15,874 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:56:15,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:56:15,876 INFO L158 Benchmark]: Toolchain (without parser) took 1698.81ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 40.8MB in the beginning and 37.0MB in the end (delta: 3.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-17 06:56:15,876 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:15,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.77ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 40.6MB in the beginning and 48.2MB in the end (delta: -7.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-17 06:56:15,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.12ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 45.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:56:15,878 INFO L158 Benchmark]: Boogie Preprocessor took 51.56ms. Allocated memory is still 81.8MB. Free memory was 45.6MB in the beginning and 43.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:56:15,879 INFO L158 Benchmark]: IcfgBuilder took 314.88ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 29.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 06:56:15,879 INFO L158 Benchmark]: TraceAbstraction took 468.40ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 37.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 06:56:15,879 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 37.0MB in the end (delta: 494.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:15,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.77ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 40.6MB in the beginning and 48.2MB in the end (delta: -7.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.12ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 45.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.56ms. Allocated memory is still 81.8MB. Free memory was 45.6MB in the beginning and 43.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 314.88ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 29.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 468.40ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 37.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 37.0MB in the end (delta: 494.6kB). 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: 1559]: 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 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 5==5 [L1556] COND TRUE 5==5 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] [L1559] data - 1 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: 1559]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 11 NumberOfCodeBlocks, 11 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 [2024-11-17 06:56:15,906 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