./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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_min_multiply_34_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 993f94a2497d93915a59b972dc7158d7d368da915ca640d942d18537635ad010 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:42:12,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:42:12,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 21:42:12,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:42:12,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:42:12,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:42:12,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:42:12,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:42:12,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:42:12,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:42:12,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:42:12,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:42:12,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:42:12,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:42:12,879 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:42:12,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:42:12,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:42:12,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:42:12,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:42:12,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:42:12,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:42:12,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:42:12,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:42:12,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:42:12,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:42:12,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:42:12,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:42:12,885 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:42:12,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:42:12,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:42:12,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:42:12,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:42:12,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:42:12,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:42:12,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:42:12,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:42:12,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:42:12,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:42:12,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:42:12,887 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:42:12,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:42:12,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 993f94a2497d93915a59b972dc7158d7d368da915ca640d942d18537635ad010 [2024-11-10 21:42:13,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:42:13,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:42:13,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:42:13,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:42:13,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:42:13,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_34_bad.i [2024-11-10 21:42:14,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:42:14,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:42:14,511 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_34_bad.i [2024-11-10 21:42:14,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6f00096/64f82682ee8a460985741d7d9a0a9bfd/FLAG0515b8f2a [2024-11-10 21:42:14,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6f00096/64f82682ee8a460985741d7d9a0a9bfd [2024-11-10 21:42:14,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:42:14,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:42:14,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:42:14,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:42:14,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:42:14,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:42:14" (1/1) ... [2024-11-10 21:42:14,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a540d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:14, skipping insertion in model container [2024-11-10 21:42:14,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:42:14" (1/1) ... [2024-11-10 21:42:14,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:42:15,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:42:15,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:42:15,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:42:15,368 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:42:15,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15 WrapperNode [2024-11-10 21:42:15,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:42:15,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:42:15,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:42:15,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:42:15,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,410 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-10 21:42:15,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:42:15,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:42:15,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:42:15,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:42:15,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,420 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,436 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-10 21:42:15,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,441 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:42:15,445 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:42:15,445 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:42:15,445 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:42:15,447 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (1/1) ... [2024-11-10 21:42:15,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:42:15,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:42:15,476 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) [2024-11-10 21:42:15,478 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 [2024-11-10 21:42:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:42:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:42:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:42:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 21:42:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:42:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:42:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:42:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 21:42:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 21:42:15,646 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:42:15,648 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:42:15,743 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 21:42:15,743 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:42:15,758 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:42:15,759 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:42:15,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:42:15 BoogieIcfgContainer [2024-11-10 21:42:15,760 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:42:15,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:42:15,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:42:15,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:42:15,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:42:14" (1/3) ... [2024-11-10 21:42:15,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e8fa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:42:15, skipping insertion in model container [2024-11-10 21:42:15,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:15" (2/3) ... [2024-11-10 21:42:15,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e8fa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:42:15, skipping insertion in model container [2024-11-10 21:42:15,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:42:15" (3/3) ... [2024-11-10 21:42:15,769 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_34_bad.i [2024-11-10 21:42:15,782 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:42:15,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:42:15,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:42:15,835 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;@193007a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:42:15,835 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:42:15,838 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) [2024-11-10 21:42:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 21:42:15,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:42:15,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:42:15,843 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:42:15,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:42:15,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1018962845, now seen corresponding path program 1 times [2024-11-10 21:42:15,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:42:15,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703983707] [2024-11-10 21:42:15,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:42:15,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:42:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:42:15,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:42:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:42:16,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 21:42:16,005 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:42:16,006 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:42:16,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:42:16,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:42:16,011 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:42:16,025 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:42:16,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:42:16 BoogieIcfgContainer [2024-11-10 21:42:16,026 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:42:16,027 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:42:16,027 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:42:16,027 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:42:16,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:42:15" (3/4) ... [2024-11-10 21:42:16,029 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:42:16,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:42:16,031 INFO L158 Benchmark]: Toolchain (without parser) took 1480.30ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 70.8MB in the beginning and 84.4MB in the end (delta: -13.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-10 21:42:16,031 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:42:16,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.77ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 70.6MB in the beginning and 121.1MB in the end (delta: -50.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-10 21:42:16,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.15ms. Allocated memory is still 201.3MB. Free memory was 121.1MB in the beginning and 118.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 21:42:16,032 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 201.3MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:42:16,032 INFO L158 Benchmark]: IcfgBuilder took 315.42ms. Allocated memory is still 201.3MB. Free memory was 115.9MB in the beginning and 102.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 21:42:16,033 INFO L158 Benchmark]: TraceAbstraction took 264.03ms. Allocated memory is still 201.3MB. Free memory was 101.2MB in the beginning and 84.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 21:42:16,033 INFO L158 Benchmark]: Witness Printer took 2.83ms. Allocated memory is still 201.3MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:42:16,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.77ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 70.6MB in the beginning and 121.1MB in the end (delta: -50.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.15ms. Allocated memory is still 201.3MB. Free memory was 121.1MB in the beginning and 118.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 201.3MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 315.42ms. Allocated memory is still 201.3MB. Free memory was 115.9MB in the beginning and 102.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 264.03ms. Allocated memory is still 201.3MB. Free memory was 101.2MB in the beginning and 84.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.83ms. Allocated memory is still 201.3MB. Free memory is still 84.4MB. 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: 1564]: 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 1572. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_min_multiply_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_min_multiply_34_unionType myUnion; [L1557] data = 0 [L1558] data = (-0x7fffffff - 1) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1562] 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] [L1564] 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: 1564]: 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, 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 [2024-11-10 21:42:16,084 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_min_multiply_34_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 993f94a2497d93915a59b972dc7158d7d368da915ca640d942d18537635ad010 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:42:17,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:42:17,881 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 21:42:17,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:42:17,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:42:17,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 21:42:17,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:42:17,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:42:17,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:42:17,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:42:17,913 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:42:17,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:42:17,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:42:17,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:42:17,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:42:17,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:42:17,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:42:17,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:42:17,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:42:17,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:42:17,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:42:17,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:42:17,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 21:42:17,919 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 21:42:17,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:42:17,919 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:42:17,919 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 21:42:17,920 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:42:17,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:42:17,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:42:17,920 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:42:17,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:42:17,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:42:17,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:42:17,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:42:17,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:42:17,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:42:17,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:42:17,922 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 21:42:17,922 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 21:42:17,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:42:17,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:42:17,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:42:17,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:42:17,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 993f94a2497d93915a59b972dc7158d7d368da915ca640d942d18537635ad010 [2024-11-10 21:42:18,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:42:18,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:42:18,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:42:18,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:42:18,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:42:18,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_34_bad.i [2024-11-10 21:42:19,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:42:19,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:42:19,710 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_34_bad.i [2024-11-10 21:42:19,735 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824746890/62efa63605e14d029bb905a1201f7e76/FLAG13f104039 [2024-11-10 21:42:19,747 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824746890/62efa63605e14d029bb905a1201f7e76 [2024-11-10 21:42:19,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:42:19,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:42:19,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:42:19,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:42:19,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:42:19,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:42:19" (1/1) ... [2024-11-10 21:42:19,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b0148f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:19, skipping insertion in model container [2024-11-10 21:42:19,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:42:19" (1/1) ... [2024-11-10 21:42:19,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:42:20,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:42:20,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:42:20,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:42:20,564 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:42:20,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20 WrapperNode [2024-11-10 21:42:20,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:42:20,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:42:20,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:42:20,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:42:20,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,621 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-10 21:42:20,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:42:20,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:42:20,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:42:20,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:42:20,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,653 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-10 21:42:20,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:42:20,670 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:42:20,670 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:42:20,670 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:42:20,670 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (1/1) ... [2024-11-10 21:42:20,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:42:20,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:42:20,702 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) [2024-11-10 21:42:20,708 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 [2024-11-10 21:42:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:42:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:42:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:42:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:42:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:42:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:42:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-10 21:42:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 21:42:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-10 21:42:20,889 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:42:20,891 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:42:21,004 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 21:42:21,004 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:42:21,015 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:42:21,015 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:42:21,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:42:21 BoogieIcfgContainer [2024-11-10 21:42:21,015 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:42:21,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:42:21,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:42:21,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:42:21,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:42:19" (1/3) ... [2024-11-10 21:42:21,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71842972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:42:21, skipping insertion in model container [2024-11-10 21:42:21,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:20" (2/3) ... [2024-11-10 21:42:21,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71842972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:42:21, skipping insertion in model container [2024-11-10 21:42:21,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:42:21" (3/3) ... [2024-11-10 21:42:21,031 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_34_bad.i [2024-11-10 21:42:21,042 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:42:21,042 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:42:21,088 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:42:21,093 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;@5653f84c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:42:21,093 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:42:21,095 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) [2024-11-10 21:42:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 21:42:21,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:42:21,105 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:42:21,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:42:21,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:42:21,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1018962845, now seen corresponding path program 1 times [2024-11-10 21:42:21,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:42:21,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554770346] [2024-11-10 21:42:21,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:42:21,123 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 [2024-11-10 21:42:21,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:42:21,125 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) [2024-11-10 21:42:21,148 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 [2024-11-10 21:42:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:42:21,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:42:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:42:21,294 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 21:42:21,295 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:42:21,296 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:42:21,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:42:21,304 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 [2024-11-10 21:42:21,501 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 [2024-11-10 21:42:21,505 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:42:21,520 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:42:21,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:42:21 BoogieIcfgContainer [2024-11-10 21:42:21,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:42:21,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:42:21,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:42:21,522 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:42:21,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:42:21" (3/4) ... [2024-11-10 21:42:21,524 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:42:21,526 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:42:21,527 INFO L158 Benchmark]: Toolchain (without parser) took 1775.57ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 41.3MB in the beginning and 48.4MB in the end (delta: -7.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-10 21:42:21,527 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 54.5MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:42:21,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.42ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 43.5MB in the end (delta: -2.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-11-10 21:42:21,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.50ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 40.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 21:42:21,528 INFO L158 Benchmark]: Boogie Preprocessor took 47.61ms. Allocated memory is still 73.4MB. Free memory was 40.5MB in the beginning and 38.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:42:21,529 INFO L158 Benchmark]: IcfgBuilder took 345.89ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 24.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 21:42:21,529 INFO L158 Benchmark]: TraceAbstraction took 495.51ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 49.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 21:42:21,529 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 94.4MB. Free memory was 49.0MB in the beginning and 48.4MB in the end (delta: 564.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:42:21,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 54.5MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.42ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 43.5MB in the end (delta: -2.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.50ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 40.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.61ms. Allocated memory is still 73.4MB. Free memory was 40.5MB in the beginning and 38.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 345.89ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 24.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 495.51ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 49.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 94.4MB. Free memory was 49.0MB in the beginning and 48.4MB in the end (delta: 564.3kB). 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: 1564]: 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 1572. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_min_multiply_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_min_multiply_34_unionType myUnion; [L1557] data = 0 [L1558] data = (-0x7fffffff - 1) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1562] 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] [L1564] 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: 1564]: 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, 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 [2024-11-10 21:42:21,554 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