./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_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_multiply_68_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 afac85fb40dfe04f77fb53e4fa5faf26755c8c8d63c8c59ee6820453aaf830bc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:02:39,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:02:39,174 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 07:02:39,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:02:39,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:02:39,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:02:39,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:02:39,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:02:39,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:02:39,199 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:02:39,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:02:39,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:02:39,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:02:39,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:02:39,202 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:02:39,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:02:39,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:02:39,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:02:39,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:02:39,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:02:39,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:02:39,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:02:39,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:02:39,206 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:02:39,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:02:39,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:02:39,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:02:39,207 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:02:39,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:02:39,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:02:39,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:02:39,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:02:39,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:02:39,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:02:39,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:02:39,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:02:39,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:02:39,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:02:39,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:02:39,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:02:39,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:02:39,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afac85fb40dfe04f77fb53e4fa5faf26755c8c8d63c8c59ee6820453aaf830bc [2024-11-17 07:02:39,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:02:39,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:02:39,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:02:39,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:02:39,466 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:02:39,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2024-11-17 07:02:40,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:02:41,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:02:41,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2024-11-17 07:02:41,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68f75ec14/e55aceba2cda46208679e422567584d7/FLAG5f566b5c4 [2024-11-17 07:02:41,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68f75ec14/e55aceba2cda46208679e422567584d7 [2024-11-17 07:02:41,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:02:41,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:02:41,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:02:41,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:02:41,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:02:41,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:02:41" (1/1) ... [2024-11-17 07:02:41,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b02a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:41, skipping insertion in model container [2024-11-17 07:02:41,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:02:41" (1/1) ... [2024-11-17 07:02:41,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:02:41,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:02:41,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:02:41,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:02:41,999 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:02:42,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42 WrapperNode [2024-11-17 07:02:42,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:02:42,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:02:42,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:02:42,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:02:42,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,051 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2024-11-17 07:02:42,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:02:42,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:02:42,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:02:42,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:02:42,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,076 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 07:02:42,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,079 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:02:42,083 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:02:42,083 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:02:42,083 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:02:42,088 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (1/1) ... [2024-11-17 07:02:42,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:02:42,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:02:42,119 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 07:02:42,124 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 07:02:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 07:02:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 07:02:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:02:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:02:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:02:42,261 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:02:42,263 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:02:42,356 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-17 07:02:42,356 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:02:42,367 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:02:42,367 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:02:42,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:02:42 BoogieIcfgContainer [2024-11-17 07:02:42,367 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:02:42,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:02:42,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:02:42,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:02:42,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:02:41" (1/3) ... [2024-11-17 07:02:42,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db84430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:02:42, skipping insertion in model container [2024-11-17 07:02:42,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:42" (2/3) ... [2024-11-17 07:02:42,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db84430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:02:42, skipping insertion in model container [2024-11-17 07:02:42,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:02:42" (3/3) ... [2024-11-17 07:02:42,374 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2024-11-17 07:02:42,386 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:02:42,386 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 07:02:42,430 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:02:42,435 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;@449b88a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:02:42,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 07:02:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:02:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 07:02:42,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:02:42,444 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:02:42,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:02:42,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:02:42,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1018962845, now seen corresponding path program 1 times [2024-11-17 07:02:42,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:02:42,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617662389] [2024-11-17 07:02:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:02:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:02:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:02:42,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 07:02:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:02:42,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 07:02:42,584 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 07:02:42,585 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 07:02:42,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 07:02:42,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:02:42,589 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 07:02:42,604 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:02:42,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:02:42 BoogieIcfgContainer [2024-11-17 07:02:42,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:02:42,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:02:42,606 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:02:42,607 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:02:42,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:02:42" (3/4) ... [2024-11-17 07:02:42,609 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 07:02:42,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:02:42,610 INFO L158 Benchmark]: Toolchain (without parser) took 1453.85ms. Allocated memory was 169.9MB in the beginning and 257.9MB in the end (delta: 88.1MB). Free memory was 92.9MB in the beginning and 140.3MB in the end (delta: -47.4MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-17 07:02:42,611 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:02:42,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.35ms. Allocated memory was 169.9MB in the beginning and 257.9MB in the end (delta: 88.1MB). Free memory was 92.7MB in the beginning and 174.9MB in the end (delta: -82.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 07:02:42,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.26ms. Allocated memory is still 257.9MB. Free memory was 174.9MB in the beginning and 172.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:02:42,612 INFO L158 Benchmark]: Boogie Preprocessor took 30.82ms. Allocated memory is still 257.9MB. Free memory was 172.9MB in the beginning and 170.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:02:42,612 INFO L158 Benchmark]: IcfgBuilder took 284.49ms. Allocated memory is still 257.9MB. Free memory was 170.8MB in the beginning and 157.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 07:02:42,612 INFO L158 Benchmark]: TraceAbstraction took 236.96ms. Allocated memory is still 257.9MB. Free memory was 157.1MB in the beginning and 140.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 07:02:42,613 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 257.9MB. Free memory was 140.3MB in the beginning and 140.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:02:42,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.35ms. Allocated memory was 169.9MB in the beginning and 257.9MB in the end (delta: 88.1MB). Free memory was 92.7MB in the beginning and 174.9MB in the end (delta: -82.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.26ms. Allocated memory is still 257.9MB. Free memory was 174.9MB in the beginning and 172.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.82ms. Allocated memory is still 257.9MB. Free memory was 172.9MB in the beginning and 170.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 284.49ms. Allocated memory is still 257.9MB. Free memory was 170.8MB in the beginning and 157.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 236.96ms. Allocated memory is still 257.9MB. Free memory was 157.1MB in the beginning and 140.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 257.9MB. Free memory was 140.3MB in the beginning and 140.3MB in the end (delta: 2.7kB). 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: 1576]: 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 1563. 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); [L1548] int CWE191_Integer_Underflow__int_min_multiply_68_badData; [L1549] int CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData; VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_min_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = (-0x7fffffff - 1) [L1557] CWE191_Integer_Underflow__int_min_multiply_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_min_multiply_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_min_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, 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] [L1574] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, 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] [L1576] data * 2 VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodG2BData=0, 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: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 07:02:42,637 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_multiply_68_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 afac85fb40dfe04f77fb53e4fa5faf26755c8c8d63c8c59ee6820453aaf830bc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:02:45,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:02:45,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 07:02:45,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:02:45,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:02:45,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 07:02:45,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:02:45,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:02:45,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:02:45,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:02:45,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:02:45,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:02:45,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:02:45,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:02:45,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:02:45,139 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:02:45,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:02:45,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:02:45,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:02:45,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:02:45,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:02:45,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:02:45,141 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 07:02:45,141 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 07:02:45,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:02:45,141 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:02:45,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 07:02:45,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:02:45,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:02:45,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:02:45,142 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:02:45,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:02:45,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:02:45,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:02:45,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:02:45,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:02:45,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:02:45,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:02:45,144 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 07:02:45,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 07:02:45,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:02:45,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:02:45,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:02:45,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:02:45,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afac85fb40dfe04f77fb53e4fa5faf26755c8c8d63c8c59ee6820453aaf830bc [2024-11-17 07:02:45,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:02:45,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:02:45,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:02:45,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:02:45,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:02:45,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2024-11-17 07:02:46,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:02:47,144 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:02:47,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2024-11-17 07:02:47,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b5713ab/02329beebb194347a8357b168884d190/FLAG4f6aed297 [2024-11-17 07:02:47,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b5713ab/02329beebb194347a8357b168884d190 [2024-11-17 07:02:47,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:02:47,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:02:47,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:02:47,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:02:47,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:02:47,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:02:47" (1/1) ... [2024-11-17 07:02:47,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4074a1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:47, skipping insertion in model container [2024-11-17 07:02:47,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:02:47" (1/1) ... [2024-11-17 07:02:47,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:02:48,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:02:48,107 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:02:48,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:02:48,265 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:02:48,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48 WrapperNode [2024-11-17 07:02:48,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:02:48,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:02:48,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:02:48,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:02:48,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,304 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-17 07:02:48,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:02:48,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:02:48,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:02:48,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:02:48,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,320 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,326 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 07:02:48,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,331 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:02:48,337 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:02:48,337 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:02:48,337 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:02:48,337 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (1/1) ... [2024-11-17 07:02:48,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:02:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:02:48,364 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 07:02:48,366 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 07:02:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 07:02:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 07:02:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:02:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:02:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:02:48,544 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:02:48,546 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:02:48,641 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-17 07:02:48,641 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:02:48,653 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:02:48,653 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:02:48,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:02:48 BoogieIcfgContainer [2024-11-17 07:02:48,653 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:02:48,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:02:48,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:02:48,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:02:48,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:02:47" (1/3) ... [2024-11-17 07:02:48,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633c24af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:02:48, skipping insertion in model container [2024-11-17 07:02:48,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:02:48" (2/3) ... [2024-11-17 07:02:48,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633c24af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:02:48, skipping insertion in model container [2024-11-17 07:02:48,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:02:48" (3/3) ... [2024-11-17 07:02:48,662 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_68_bad.i [2024-11-17 07:02:48,674 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:02:48,675 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 07:02:48,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:02:48,732 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;@d6397f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:02:48,732 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 07:02:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:02:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 07:02:48,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:02:48,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:02:48,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:02:48,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:02:48,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1018962845, now seen corresponding path program 1 times [2024-11-17 07:02:48,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 07:02:48,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463878621] [2024-11-17 07:02:48,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:02:48,779 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 07:02:48,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 07:02:48,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 07:02:48,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-17 07:02:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:02:48,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 07:02:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:02:48,934 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 07:02:48,935 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 07:02:48,936 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 07:02:48,938 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 07:02:48,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-17 07:02:49,138 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 07:02:49,142 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 07:02:49,175 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:02:49,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:02:49 BoogieIcfgContainer [2024-11-17 07:02:49,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:02:49,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:02:49,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:02:49,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:02:49,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:02:48" (3/4) ... [2024-11-17 07:02:49,182 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 07:02:49,183 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:02:49,185 INFO L158 Benchmark]: Toolchain (without parser) took 1790.72ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 72.2MB in the beginning and 93.5MB in the end (delta: -21.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-17 07:02:49,185 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:02:49,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.14ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 61.8MB in the end (delta: 10.4MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-17 07:02:49,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.10ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 58.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:02:49,186 INFO L158 Benchmark]: Boogie Preprocessor took 30.73ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:02:49,187 INFO L158 Benchmark]: IcfgBuilder took 316.71ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 43.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 07:02:49,188 INFO L158 Benchmark]: TraceAbstraction took 522.06ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 42.4MB in the beginning and 94.2MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:02:49,188 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 93.5MB in the end (delta: 767.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:02:49,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.14ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 61.8MB in the end (delta: 10.4MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.10ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 58.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.73ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 316.71ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 43.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 522.06ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 42.4MB in the beginning and 94.2MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 93.5MB in the end (delta: 767.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1576]: 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 1563. 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); [L1548] int CWE191_Integer_Underflow__int_min_multiply_68_badData; [L1550] int CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData; VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=0, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_min_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = (-0x7fffffff - 1) [L1557] CWE191_Integer_Underflow__int_min_multiply_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_min_multiply_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_min_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, 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] [L1574] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, 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] [L1576] data * 2 VAL [CWE191_Integer_Underflow__int_min_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_multiply_68_goodB2GData=0, 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: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 07:02:49,222 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