./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_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 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:05:00,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:05:00,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 07:05:00,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:05:00,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:05:00,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:05:00,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:05:00,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:05:00,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:05:00,579 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:05:00,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:05:00,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:05:00,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:05:00,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:05:00,581 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:05:00,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:05:00,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:05:00,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:05:00,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:05:00,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:05:00,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:05:00,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:05:00,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:05:00,585 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:05:00,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:05:00,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:05:00,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:05:00,586 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:05:00,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:05:00,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:05:00,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:05:00,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:05:00,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:05:00,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:05:00,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:05:00,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:05:00,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:05:00,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:05:00,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:05:00,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:05:00,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:05:00,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 [2024-11-17 07:05:00,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:05:00,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:05:00,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:05:00,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:05:00,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:05:00,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2024-11-17 07:05:02,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:05:02,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:05:02,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2024-11-17 07:05:02,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f1beb0ef/7ab2904861ef406d888e69b5acbd7383/FLAGa8f53f345 [2024-11-17 07:05:02,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f1beb0ef/7ab2904861ef406d888e69b5acbd7383 [2024-11-17 07:05:02,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:05:02,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:05:02,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:05:02,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:05:02,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:05:02,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:05:02" (1/1) ... [2024-11-17 07:05:02,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660bd233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:02, skipping insertion in model container [2024-11-17 07:05:02,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:05:02" (1/1) ... [2024-11-17 07:05:02,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:05:03,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:05:03,771 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:05:03,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:05:03,976 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:05:03,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03 WrapperNode [2024-11-17 07:05:03,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:05:03,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:05:03,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:05:03,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:05:03,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,066 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-17 07:05:04,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:05:04,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:05:04,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:05:04,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:05:04,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,081 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,105 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 07:05:04,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:05:04,123 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:05:04,127 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:05:04,127 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:05:04,128 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (1/1) ... [2024-11-17 07:05:04,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:05:04,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:05:04,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:05:04,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:05:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 07:05:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 07:05:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:05:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:05:04,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:05:04,389 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:05:04,390 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:05:04,472 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-17 07:05:04,472 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:05:04,483 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:05:04,483 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:05:04,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:05:04 BoogieIcfgContainer [2024-11-17 07:05:04,484 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:05:04,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:05:04,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:05:04,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:05:04,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:05:02" (1/3) ... [2024-11-17 07:05:04,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d34918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:05:04, skipping insertion in model container [2024-11-17 07:05:04,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:03" (2/3) ... [2024-11-17 07:05:04,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d34918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:05:04, skipping insertion in model container [2024-11-17 07:05:04,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:05:04" (3/3) ... [2024-11-17 07:05:04,492 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_09_bad.i [2024-11-17 07:05:04,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:05:04,509 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 07:05:04,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:05:04,586 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;@1a44a421, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:05:04,587 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 07:05:04,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:05:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 07:05:04,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:05:04,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:05:04,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:05:04,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:05:04,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1028074867, now seen corresponding path program 1 times [2024-11-17 07:05:04,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:05:04,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877995453] [2024-11-17 07:05:04,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:05:04,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:05:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:05:04,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 07:05:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:05:04,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 07:05:04,779 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 07:05:04,780 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 07:05:04,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 07:05:04,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:05:04,788 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 07:05:04,809 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:05:04,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:05:04 BoogieIcfgContainer [2024-11-17 07:05:04,812 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:05:04,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:05:04,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:05:04,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:05:04,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:05:04" (3/4) ... [2024-11-17 07:05:04,816 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 07:05:04,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:05:04,818 INFO L158 Benchmark]: Toolchain (without parser) took 2024.87ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 92.9MB in the end (delta: 13.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-17 07:05:04,818 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:05:04,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1182.61ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 40.5MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-17 07:05:04,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.88ms. Allocated memory is still 151.0MB. Free memory was 40.5MB in the beginning and 116.7MB in the end (delta: -76.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-17 07:05:04,819 INFO L158 Benchmark]: Boogie Preprocessor took 55.45ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:05:04,820 INFO L158 Benchmark]: IcfgBuilder took 361.08ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 109.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-17 07:05:04,820 INFO L158 Benchmark]: TraceAbstraction took 326.59ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 93.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 07:05:04,820 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 151.0MB. Free memory was 93.6MB in the beginning and 92.9MB in the end (delta: 715.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:05:04,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1182.61ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 40.5MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.88ms. Allocated memory is still 151.0MB. Free memory was 40.5MB in the beginning and 116.7MB in the end (delta: -76.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.45ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 361.08ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 109.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * TraceAbstraction took 326.59ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 93.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 151.0MB. Free memory was 93.6MB in the beginning and 92.9MB in the end (delta: 715.0kB). 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [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] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 07:05:04,855 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 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_sub_09_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 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:05:07,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:05:07,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 07:05:07,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:05:07,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:05:07,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 07:05:07,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:05:07,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:05:07,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:05:07,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:05:07,179 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:05:07,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:05:07,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:05:07,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:05:07,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:05:07,180 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:05:07,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:05:07,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:05:07,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:05:07,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:05:07,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:05:07,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:05:07,187 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 07:05:07,187 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 07:05:07,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:05:07,187 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:05:07,188 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 07:05:07,188 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:05:07,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:05:07,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:05:07,189 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:05:07,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:05:07,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:05:07,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:05:07,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:05:07,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:05:07,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:05:07,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:05:07,193 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 07:05:07,193 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 07:05:07,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:05:07,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:05:07,194 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:05:07,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:05:07,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 [2024-11-17 07:05:07,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:05:07,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:05:07,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:05:07,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:05:07,549 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:05:07,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2024-11-17 07:05:09,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:05:09,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:05:09,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2024-11-17 07:05:09,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55bcdb13/e7a61c8c83444ca6b1da8e6f5ee43dc7/FLAGda8f03c0f [2024-11-17 07:05:09,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55bcdb13/e7a61c8c83444ca6b1da8e6f5ee43dc7 [2024-11-17 07:05:09,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:05:09,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:05:09,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:05:09,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:05:09,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:05:09,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:05:09" (1/1) ... [2024-11-17 07:05:09,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ab21eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:09, skipping insertion in model container [2024-11-17 07:05:09,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:05:09" (1/1) ... [2024-11-17 07:05:09,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:05:10,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:05:10,510 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:05:10,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:05:10,787 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:05:10,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10 WrapperNode [2024-11-17 07:05:10,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:05:10,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:05:10,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:05:10,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:05:10,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,862 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-17 07:05:10,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:05:10,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:05:10,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:05:10,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:05:10,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,881 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,902 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 07:05:10,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,912 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:05:10,931 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:05:10,934 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:05:10,935 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:05:10,935 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (1/1) ... [2024-11-17 07:05:10,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:05:10,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:05:10,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:05:10,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:05:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 07:05:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 07:05:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:05:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:05:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:05:11,170 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:05:11,172 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:05:11,290 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-17 07:05:11,291 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:05:11,308 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:05:11,308 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:05:11,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:05:11 BoogieIcfgContainer [2024-11-17 07:05:11,309 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:05:11,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:05:11,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:05:11,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:05:11,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:05:09" (1/3) ... [2024-11-17 07:05:11,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbe4572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:05:11, skipping insertion in model container [2024-11-17 07:05:11,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:05:10" (2/3) ... [2024-11-17 07:05:11,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbe4572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:05:11, skipping insertion in model container [2024-11-17 07:05:11,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:05:11" (3/3) ... [2024-11-17 07:05:11,315 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_09_bad.i [2024-11-17 07:05:11,336 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:05:11,336 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 07:05:11,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:05:11,381 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;@1e8e35c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:05:11,381 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 07:05:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:05:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 07:05:11,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:05:11,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:05:11,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:05:11,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:05:11,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1028074867, now seen corresponding path program 1 times [2024-11-17 07:05:11,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 07:05:11,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537420653] [2024-11-17 07:05:11,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:05:11,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 07:05:11,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 07:05:11,433 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 07:05:11,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-17 07:05:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:05:11,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 07:05:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:05:11,610 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 07:05:11,612 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 07:05:11,613 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 07:05:11,615 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 07:05:11,621 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-17 07:05:11,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 07:05:11,819 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 07:05:11,849 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:05:11,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:05:11 BoogieIcfgContainer [2024-11-17 07:05:11,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:05:11,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:05:11,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:05:11,855 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:05:11,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:05:11" (3/4) ... [2024-11-17 07:05:11,858 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 07:05:11,859 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:05:11,860 INFO L158 Benchmark]: Toolchain (without parser) took 2233.04ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 34.7MB in the beginning and 42.4MB in the end (delta: -7.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-17 07:05:11,861 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 83.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:05:11,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1157.38ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 34.5MB in the beginning and 54.2MB in the end (delta: -19.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-17 07:05:11,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.67ms. Allocated memory is still 86.0MB. Free memory was 54.2MB in the beginning and 51.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:05:11,864 INFO L158 Benchmark]: Boogie Preprocessor took 66.98ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 49.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:05:11,865 INFO L158 Benchmark]: IcfgBuilder took 377.98ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 35.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 07:05:11,866 INFO L158 Benchmark]: TraceAbstraction took 542.44ms. Allocated memory is still 86.0MB. Free memory was 34.8MB in the beginning and 42.5MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:05:11,867 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 86.0MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:05:11,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 83.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1157.38ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 34.5MB in the beginning and 54.2MB in the end (delta: -19.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.67ms. Allocated memory is still 86.0MB. Free memory was 54.2MB in the beginning and 51.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.98ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 49.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 377.98ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 35.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 542.44ms. Allocated memory is still 86.0MB. Free memory was 34.8MB in the beginning and 42.5MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 86.0MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [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] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 07:05:11,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample