./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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_predec_12_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 72ca4dc53425614abcf8d31bfe89d79e85f10fe1e9f3848d50e0b5f8b4748e4f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:23:55,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:23:55,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 14:23:55,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:23:55,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:23:55,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:23:55,473 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:23:55,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:23:55,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:23:55,474 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:23:55,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:23:55,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:23:55,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:23:55,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:23:55,477 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:23:55,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:23:55,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:23:55,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:23:55,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:23:55,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:23:55,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:23:55,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:23:55,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:23:55,481 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:23:55,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:23:55,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:23:55,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:23:55,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:23:55,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:23:55,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:23:55,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:23:55,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:23:55,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:23:55,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:23:55,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:23:55,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:23:55,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:23:55,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:23:55,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:23:55,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:23:55,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:23:55,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72ca4dc53425614abcf8d31bfe89d79e85f10fe1e9f3848d50e0b5f8b4748e4f [2024-11-09 14:23:55,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:23:55,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:23:55,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:23:55,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:23:55,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:23:55,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i [2024-11-09 14:23:57,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:23:57,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:23:57,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i [2024-11-09 14:23:57,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db895bbe/18b2288fdbb34ec78e3f6db70d745ea5/FLAGbe66bc854 [2024-11-09 14:23:57,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db895bbe/18b2288fdbb34ec78e3f6db70d745ea5 [2024-11-09 14:23:57,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:23:57,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:23:57,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:23:57,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:23:57,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:23:57,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:23:57" (1/1) ... [2024-11-09 14:23:57,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5625af28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:57, skipping insertion in model container [2024-11-09 14:23:57,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:23:57" (1/1) ... [2024-11-09 14:23:57,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:23:58,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:23:58,146 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:23:58,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:23:58,350 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:23:58,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58 WrapperNode [2024-11-09 14:23:58,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:23:58,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:23:58,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:23:58,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:23:58,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,413 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-11-09 14:23:58,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:23:58,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:23:58,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:23:58,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:23:58,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,443 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 14:23:58,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:23:58,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:23:58,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:23:58,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:23:58,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (1/1) ... [2024-11-09 14:23:58,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:23:58,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:23:58,524 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) [2024-11-09 14:23:58,526 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 [2024-11-09 14:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-09 14:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-09 14:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-09 14:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-09 14:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 14:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 14:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:23:58,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:23:58,702 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:23:58,829 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 14:23:58,830 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:23:58,843 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:23:58,844 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:23:58,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:23:58 BoogieIcfgContainer [2024-11-09 14:23:58,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:23:58,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:23:58,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:23:58,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:23:58,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:23:57" (1/3) ... [2024-11-09 14:23:58,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cb4482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:23:58, skipping insertion in model container [2024-11-09 14:23:58,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:23:58" (2/3) ... [2024-11-09 14:23:58,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cb4482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:23:58, skipping insertion in model container [2024-11-09 14:23:58,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:23:58" (3/3) ... [2024-11-09 14:23:58,851 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_12_bad.i [2024-11-09 14:23:58,868 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:23:58,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 14:23:58,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:23:58,932 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;@7435df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:23:58,932 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 14:23:58,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 30 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 14:23:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 14:23:58,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:23:58,943 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:23:58,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:23:58,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:23:58,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1213709514, now seen corresponding path program 1 times [2024-11-09 14:23:58,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:23:58,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27612102] [2024-11-09 14:23:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:23:58,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:23:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:23:59,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 14:23:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:23:59,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 14:23:59,131 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 14:23:59,132 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-09 14:23:59,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-09 14:23:59,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-09 14:23:59,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-09 14:23:59,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:23:59,141 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 14:23:59,170 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:23:59,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:23:59 BoogieIcfgContainer [2024-11-09 14:23:59,174 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:23:59,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:23:59,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:23:59,175 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:23:59,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:23:58" (3/4) ... [2024-11-09 14:23:59,179 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 14:23:59,180 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:23:59,181 INFO L158 Benchmark]: Toolchain (without parser) took 1856.82ms. Allocated memory is still 176.2MB. Free memory was 102.2MB in the beginning and 90.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-09 14:23:59,181 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:23:59,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1025.08ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 129.3MB in the end (delta: -27.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-09 14:23:59,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.46ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 126.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:23:59,183 INFO L158 Benchmark]: Boogie Preprocessor took 50.94ms. Allocated memory is still 176.2MB. Free memory was 126.3MB in the beginning and 124.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:23:59,184 INFO L158 Benchmark]: RCFGBuilder took 378.59ms. Allocated memory is still 176.2MB. Free memory was 124.2MB in the beginning and 110.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 14:23:59,184 INFO L158 Benchmark]: TraceAbstraction took 328.61ms. Allocated memory is still 176.2MB. Free memory was 109.6MB in the beginning and 91.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 14:23:59,185 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 176.2MB. Free memory was 91.6MB in the beginning and 90.7MB in the end (delta: 867.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:23:59,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1025.08ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 129.3MB in the end (delta: -27.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.46ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 126.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.94ms. Allocated memory is still 176.2MB. Free memory was 126.3MB in the beginning and 124.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.59ms. Allocated memory is still 176.2MB. Free memory was 124.2MB in the beginning and 110.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 328.61ms. Allocated memory is still 176.2MB. Free memory was 109.6MB in the beginning and 91.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 176.2MB. Free memory was 91.6MB in the beginning and 90.7MB in the end (delta: 867.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1585. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1586] CALL CWE191_Integer_Underflow__int_min_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 14:23:59,234 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_predec_12_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 72ca4dc53425614abcf8d31bfe89d79e85f10fe1e9f3848d50e0b5f8b4748e4f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:24:01,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:24:01,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-09 14:24:01,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:24:01,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:24:01,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-09 14:24:01,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:24:01,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:24:01,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:24:01,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:24:01,605 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:24:01,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:24:01,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:24:01,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:24:01,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:24:01,609 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:24:01,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:24:01,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:24:01,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:24:01,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:24:01,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:24:01,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:24:01,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 14:24:01,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 14:24:01,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:24:01,610 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:24:01,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 14:24:01,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:24:01,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:24:01,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:24:01,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:24:01,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:24:01,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:24:01,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:24:01,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:24:01,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:24:01,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:24:01,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:24:01,615 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 14:24:01,615 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 14:24:01,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:24:01,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:24:01,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:24:01,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:24:01,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72ca4dc53425614abcf8d31bfe89d79e85f10fe1e9f3848d50e0b5f8b4748e4f [2024-11-09 14:24:01,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:24:01,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:24:01,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:24:01,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:24:01,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:24:01,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i [2024-11-09 14:24:03,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:24:03,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:24:03,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i [2024-11-09 14:24:03,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672e8f342/fa81fd77d0fe413b8601f79c921fda3c/FLAGcdcd827b9 [2024-11-09 14:24:03,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672e8f342/fa81fd77d0fe413b8601f79c921fda3c [2024-11-09 14:24:03,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:24:03,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:24:03,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:24:03,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:24:03,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:24:03,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:24:03" (1/1) ... [2024-11-09 14:24:03,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f31cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:03, skipping insertion in model container [2024-11-09 14:24:03,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:24:03" (1/1) ... [2024-11-09 14:24:03,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:24:04,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:24:04,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:24:04,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:24:04,544 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:24:04,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04 WrapperNode [2024-11-09 14:24:04,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:24:04,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:24:04,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:24:04,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:24:04,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,590 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-09 14:24:04,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:24:04,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:24:04,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:24:04,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:24:04,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,605 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,613 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 14:24:04,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:24:04,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:24:04,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:24:04,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:24:04,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (1/1) ... [2024-11-09 14:24:04,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:24:04,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:24:04,665 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) [2024-11-09 14:24:04,670 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 [2024-11-09 14:24:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-09 14:24:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-09 14:24:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-09 14:24:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-09 14:24:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 14:24:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 14:24:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:24:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:24:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:24:04,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:24:04,839 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:24:04,966 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 14:24:04,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:24:04,977 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:24:04,981 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:24:04,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:24:04 BoogieIcfgContainer [2024-11-09 14:24:04,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:24:04,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:24:04,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:24:04,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:24:04,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:24:03" (1/3) ... [2024-11-09 14:24:04,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3487a5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:24:04, skipping insertion in model container [2024-11-09 14:24:04,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:24:04" (2/3) ... [2024-11-09 14:24:04,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3487a5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:24:04, skipping insertion in model container [2024-11-09 14:24:04,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:24:04" (3/3) ... [2024-11-09 14:24:04,992 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_12_bad.i [2024-11-09 14:24:05,021 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:24:05,021 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 14:24:05,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:24:05,088 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;@4c97055c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:24:05,088 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 14:24:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 28 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 14:24:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 14:24:05,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:24:05,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:24:05,098 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-09 14:24:05,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:24:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash -806793905, now seen corresponding path program 1 times [2024-11-09 14:24:05,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 14:24:05,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283371327] [2024-11-09 14:24:05,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:24:05,112 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 [2024-11-09 14:24:05,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 14:24:05,114 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) [2024-11-09 14:24:05,115 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 [2024-11-09 14:24:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:24:05,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 14:24:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:24:05,271 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 14:24:05,274 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 14:24:05,275 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-09 14:24:05,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-09 14:24:05,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-09 14:24:05,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-09 14:24:05,286 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 [2024-11-09 14:24:05,477 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 [2024-11-09 14:24:05,481 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 14:24:05,533 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:24:05,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:24:05 BoogieIcfgContainer [2024-11-09 14:24:05,536 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:24:05,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:24:05,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:24:05,539 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:24:05,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:24:04" (3/4) ... [2024-11-09 14:24:05,542 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 14:24:05,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:24:05,547 INFO L158 Benchmark]: Toolchain (without parser) took 1900.35ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 48.2MB in the beginning and 72.0MB in the end (delta: -23.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 14:24:05,548 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 50.3MB. Free memory is still 29.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:24:05,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.00ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 47.9MB in the beginning and 80.7MB in the end (delta: -32.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-09 14:24:05,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 115.3MB. Free memory was 80.7MB in the beginning and 77.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:24:05,549 INFO L158 Benchmark]: Boogie Preprocessor took 35.32ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 74.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:24:05,549 INFO L158 Benchmark]: RCFGBuilder took 354.36ms. Allocated memory is still 115.3MB. Free memory was 74.9MB in the beginning and 59.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 14:24:05,549 INFO L158 Benchmark]: TraceAbstraction took 552.83ms. Allocated memory is still 115.3MB. Free memory was 58.7MB in the beginning and 72.0MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:24:05,549 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:24:05,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 50.3MB. Free memory is still 29.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.00ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 47.9MB in the beginning and 80.7MB in the end (delta: -32.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 115.3MB. Free memory was 80.7MB in the beginning and 77.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.32ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 74.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.36ms. Allocated memory is still 115.3MB. Free memory was 74.9MB in the beginning and 59.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 552.83ms. Allocated memory is still 115.3MB. Free memory was 58.7MB in the beginning and 72.0MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1585. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1586] CALL CWE191_Integer_Underflow__int_min_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 14:24:05,605 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