./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_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 da595076c3b37077e3828dd423e2ff0eaaa16cae3f0c05912ceae83939fdaba2 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:12:43,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:12:43,539 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-20 21:12:43,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:12:43,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:12:43,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:12:43,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:12:43,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:12:43,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:12:43,579 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:12:43,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:12:43,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:12:43,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:12:43,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:12:43,582 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:12:43,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:12:43,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:12:43,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:12:43,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:12:43,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:12:43,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:12:43,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:12:43,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:12:43,588 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:12:43,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:12:43,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:12:43,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:12:43,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:12:43,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:12:43,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:12:43,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:12:43,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:12:43,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:12:43,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:12:43,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:12:43,591 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:12:43,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:12:43,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:12:43,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:12:43,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:12:43,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:12:43,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da595076c3b37077e3828dd423e2ff0eaaa16cae3f0c05912ceae83939fdaba2 [2024-11-20 21:12:43,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:12:43,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:12:43,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:12:43,858 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:12:43,859 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:12:43,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i [2024-11-20 21:12:45,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:12:45,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:12:45,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i [2024-11-20 21:12:45,710 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7660d8a/f68cf4d2bca649cc914e71294554d970/FLAGa302abd6d [2024-11-20 21:12:45,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7660d8a/f68cf4d2bca649cc914e71294554d970 [2024-11-20 21:12:45,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:12:45,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:12:45,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:12:45,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:12:45,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:12:45,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:12:45" (1/1) ... [2024-11-20 21:12:45,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f95d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:45, skipping insertion in model container [2024-11-20 21:12:45,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:12:45" (1/1) ... [2024-11-20 21:12:45,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:12:46,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:12:46,605 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:12:46,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:12:46,770 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:12:46,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46 WrapperNode [2024-11-20 21:12:46,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:12:46,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:12:46,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:12:46,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:12:46,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,830 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 43 [2024-11-20 21:12:46,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:12:46,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:12:46,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:12:46,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:12:46,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,856 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 21:12:46,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:12:46,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:12:46,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:12:46,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:12:46,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (1/1) ... [2024-11-20 21:12:46,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:12:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:12:46,907 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) [2024-11-20 21:12:46,909 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 [2024-11-20 21:12:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 21:12:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 21:12:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:12:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:12:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:12:47,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:12:47,056 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:12:47,151 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-20 21:12:47,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:12:47,163 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:12:47,163 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:12:47,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:47 BoogieIcfgContainer [2024-11-20 21:12:47,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:12:47,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:12:47,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:12:47,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:12:47,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:12:45" (1/3) ... [2024-11-20 21:12:47,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191aef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:12:47, skipping insertion in model container [2024-11-20 21:12:47,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:46" (2/3) ... [2024-11-20 21:12:47,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191aef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:12:47, skipping insertion in model container [2024-11-20 21:12:47,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:47" (3/3) ... [2024-11-20 21:12:47,172 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_52_bad.i [2024-11-20 21:12:47,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:12:47,188 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 21:12:47,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:12:47,241 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;@2408b1e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:12:47,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 21:12:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-20 21:12:47,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 21:12:47,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:12:47,253 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:12:47,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 21:12:47,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:12:47,260 INFO L85 PathProgramCache]: Analyzing trace with hash 993488621, now seen corresponding path program 1 times [2024-11-20 21:12:47,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:12:47,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652001857] [2024-11-20 21:12:47,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:12:47,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:12:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 21:12:47,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 21:12:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 21:12:47,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 21:12:47,476 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 21:12:47,477 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 21:12:47,479 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 21:12:47,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:12:47,483 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-20 21:12:47,507 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:12:47,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:12:47 BoogieIcfgContainer [2024-11-20 21:12:47,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:12:47,510 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:12:47,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:12:47,511 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:12:47,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:47" (3/4) ... [2024-11-20 21:12:47,513 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 21:12:47,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:12:47,515 INFO L158 Benchmark]: Toolchain (without parser) took 1782.84ms. Allocated memory is still 174.1MB. Free memory was 102.3MB in the beginning and 59.3MB in the end (delta: 43.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-11-20 21:12:47,515 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:12:47,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.19ms. Allocated memory is still 174.1MB. Free memory was 102.1MB in the beginning and 94.2MB in the end (delta: 8.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-20 21:12:47,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.85ms. Allocated memory is still 174.1MB. Free memory was 93.5MB in the beginning and 90.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:12:47,517 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 174.1MB. Free memory was 90.8MB in the beginning and 89.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:12:47,517 INFO L158 Benchmark]: RCFGBuilder took 298.77ms. Allocated memory is still 174.1MB. Free memory was 88.7MB in the beginning and 76.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 21:12:47,518 INFO L158 Benchmark]: TraceAbstraction took 343.72ms. Allocated memory is still 174.1MB. Free memory was 76.2MB in the beginning and 60.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 21:12:47,518 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 174.1MB. Free memory was 60.0MB in the beginning and 59.3MB in the end (delta: 692.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:12:47,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.19ms. Allocated memory is still 174.1MB. Free memory was 102.1MB in the beginning and 94.2MB in the end (delta: 8.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.85ms. Allocated memory is still 174.1MB. Free memory was 93.5MB in the beginning and 90.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 174.1MB. Free memory was 90.8MB in the beginning and 89.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 298.77ms. Allocated memory is still 174.1MB. Free memory was 88.7MB in the beginning and 76.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 343.72ms. Allocated memory is still 174.1MB. Free memory was 76.2MB in the beginning and 60.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 174.1MB. Free memory was 60.0MB in the beginning and 59.3MB in the end (delta: 692.2kB). 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: 1573]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 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] [L1573] data * 2 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: 1573]: 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: 0.3s, 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, 10 NumberOfCodeBlocks, 10 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 [2024-11-20 21:12:47,540 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_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 da595076c3b37077e3828dd423e2ff0eaaa16cae3f0c05912ceae83939fdaba2 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:12:49,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:12:49,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-20 21:12:49,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:12:49,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:12:49,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-20 21:12:49,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:12:49,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:12:49,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:12:49,889 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:12:49,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:12:49,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:12:49,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:12:49,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:12:49,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:12:49,891 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:12:49,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:12:49,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:12:49,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:12:49,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:12:49,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:12:49,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:12:49,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 21:12:49,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 21:12:49,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:12:49,897 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:12:49,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 21:12:49,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:12:49,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:12:49,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:12:49,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:12:49,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:12:49,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:12:49,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:12:49,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:12:49,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:12:49,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:12:49,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:12:49,900 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 21:12:49,900 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 21:12:49,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:12:49,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:12:49,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:12:49,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:12:49,902 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da595076c3b37077e3828dd423e2ff0eaaa16cae3f0c05912ceae83939fdaba2 [2024-11-20 21:12:50,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:12:50,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:12:50,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:12:50,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:12:50,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:12:50,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i [2024-11-20 21:12:51,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:12:52,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:12:52,024 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i [2024-11-20 21:12:52,053 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9817cb7c4/7588e2a91fed40e3b006dc98fe251105/FLAGad4572bbb [2024-11-20 21:12:52,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9817cb7c4/7588e2a91fed40e3b006dc98fe251105 [2024-11-20 21:12:52,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:12:52,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:12:52,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:12:52,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:12:52,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:12:52,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:12:52" (1/1) ... [2024-11-20 21:12:52,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a27757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52, skipping insertion in model container [2024-11-20 21:12:52,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:12:52" (1/1) ... [2024-11-20 21:12:52,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:12:52,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:12:52,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:12:52,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:12:53,128 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:12:53,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53 WrapperNode [2024-11-20 21:12:53,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:12:53,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:12:53,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:12:53,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:12:53,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,188 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 43 [2024-11-20 21:12:53,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:12:53,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:12:53,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:12:53,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:12:53,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,204 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,211 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 21:12:53,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:12:53,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:12:53,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:12:53,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:12:53,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (1/1) ... [2024-11-20 21:12:53,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:12:53,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:12:53,280 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) [2024-11-20 21:12:53,285 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 [2024-11-20 21:12:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 21:12:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 21:12:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:12:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:12:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:12:53,488 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:12:53,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:12:53,629 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-20 21:12:53,630 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:12:53,643 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:12:53,644 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:12:53,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:53 BoogieIcfgContainer [2024-11-20 21:12:53,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:12:53,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:12:53,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:12:53,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:12:53,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:12:52" (1/3) ... [2024-11-20 21:12:53,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275490a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:12:53, skipping insertion in model container [2024-11-20 21:12:53,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:53" (2/3) ... [2024-11-20 21:12:53,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275490a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:12:53, skipping insertion in model container [2024-11-20 21:12:53,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:53" (3/3) ... [2024-11-20 21:12:53,654 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_52_bad.i [2024-11-20 21:12:53,672 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:12:53,673 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 21:12:53,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:12:53,745 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;@466c5fdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:12:53,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 21:12:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-20 21:12:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 21:12:53,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:12:53,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:12:53,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 21:12:53,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:12:53,765 INFO L85 PathProgramCache]: Analyzing trace with hash 993488621, now seen corresponding path program 1 times [2024-11-20 21:12:53,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 21:12:53,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885378784] [2024-11-20 21:12:53,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:12:53,778 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 [2024-11-20 21:12:53,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 21:12:53,782 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) [2024-11-20 21:12:53,783 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 [2024-11-20 21:12:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 21:12:53,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 21:12:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 21:12:53,964 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-20 21:12:53,966 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 21:12:53,967 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 21:12:53,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 21:12:53,975 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 [2024-11-20 21:12:54,170 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 [2024-11-20 21:12:54,174 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-20 21:12:54,204 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:12:54,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:12:54 BoogieIcfgContainer [2024-11-20 21:12:54,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:12:54,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:12:54,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:12:54,212 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:12:54,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:53" (3/4) ... [2024-11-20 21:12:54,215 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 21:12:54,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:12:54,217 INFO L158 Benchmark]: Toolchain (without parser) took 2140.64ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 39.0MB in the beginning and 55.5MB in the end (delta: -16.5MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2024-11-20 21:12:54,218 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 27.5MB in the beginning and 27.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:12:54,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.79ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 38.8MB in the beginning and 42.0MB in the end (delta: -3.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-20 21:12:54,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.81ms. Allocated memory is still 88.1MB. Free memory was 42.0MB in the beginning and 38.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:12:54,220 INFO L158 Benchmark]: Boogie Preprocessor took 34.12ms. Allocated memory is still 88.1MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:12:54,221 INFO L158 Benchmark]: RCFGBuilder took 420.45ms. Allocated memory is still 88.1MB. Free memory was 36.1MB in the beginning and 47.5MB in the end (delta: -11.4MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-20 21:12:54,222 INFO L158 Benchmark]: TraceAbstraction took 562.95ms. Allocated memory is still 88.1MB. Free memory was 47.0MB in the beginning and 56.1MB in the end (delta: -9.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 21:12:54,222 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 55.5MB in the end (delta: 529.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:12:54,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 27.5MB in the beginning and 27.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.79ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 38.8MB in the beginning and 42.0MB in the end (delta: -3.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.81ms. Allocated memory is still 88.1MB. Free memory was 42.0MB in the beginning and 38.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.12ms. Allocated memory is still 88.1MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.45ms. Allocated memory is still 88.1MB. Free memory was 36.1MB in the beginning and 47.5MB in the end (delta: -11.4MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * TraceAbstraction took 562.95ms. Allocated memory is still 88.1MB. Free memory was 47.0MB in the beginning and 56.1MB in the end (delta: -9.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 55.5MB in the end (delta: 529.5kB). 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: 1573]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 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] [L1573] data * 2 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: 1573]: 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: 0.5s, 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=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, 10 NumberOfCodeBlocks, 10 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 [2024-11-20 21:12:54,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample