./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_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 3fc7fd25ad986ebb2cd9cecfaa8466d8be84eaaa05d65b1e6c20f2161067ad5f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:08:17,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:08:17,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 01:08:17,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:08:17,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:08:17,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:08:17,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:08:17,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:08:17,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:08:17,961 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:08:17,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:08:17,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:08:17,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:08:17,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:08:17,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:08:17,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:08:17,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:08:17,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:08:17,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:08:17,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:08:17,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:08:17,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:08:17,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:08:17,972 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:08:17,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:08:17,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:08:17,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:08:17,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:08:17,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:08:17,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:08:17,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:08:17,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:08:17,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:08:17,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:08:17,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:08:17,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:08:17,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:08:17,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:08:17,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:08:17,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:08:17,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:08:17,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc7fd25ad986ebb2cd9cecfaa8466d8be84eaaa05d65b1e6c20f2161067ad5f [2024-11-23 01:08:18,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:08:18,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:08:18,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:08:18,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:08:18,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:08:18,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i [2024-11-23 01:08:19,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:08:19,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:08:19,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i [2024-11-23 01:08:19,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a0930f4/5eb3f23ab36e4bb0bb9da68dac3be225/FLAG531847d4f [2024-11-23 01:08:19,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a0930f4/5eb3f23ab36e4bb0bb9da68dac3be225 [2024-11-23 01:08:19,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:08:19,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:08:19,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:08:19,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:08:19,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:08:19,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:19" (1/1) ... [2024-11-23 01:08:19,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7513d28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:19, skipping insertion in model container [2024-11-23 01:08:19,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:19" (1/1) ... [2024-11-23 01:08:19,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:08:20,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:08:20,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:08:20,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:08:20,894 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:08:20,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20 WrapperNode [2024-11-23 01:08:20,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:08:20,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:08:20,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:08:20,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:08:20,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,951 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-23 01:08:20,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:08:20,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:08:20,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:08:20,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:08:20,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,978 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 01:08:20,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:08:20,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:08:20,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:08:20,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:08:20,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (1/1) ... [2024-11-23 01:08:20,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:08:21,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:08:21,017 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) [2024-11-23 01:08:21,018 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 [2024-11-23 01:08:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 01:08:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 01:08:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:08:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:08:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:08:21,216 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:08:21,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:08:21,354 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-23 01:08:21,354 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:08:21,377 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:08:21,377 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:08:21,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:21 BoogieIcfgContainer [2024-11-23 01:08:21,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:08:21,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:08:21,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:08:21,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:08:21,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:08:19" (1/3) ... [2024-11-23 01:08:21,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8f8411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:21, skipping insertion in model container [2024-11-23 01:08:21,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:20" (2/3) ... [2024-11-23 01:08:21,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8f8411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:21, skipping insertion in model container [2024-11-23 01:08:21,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:21" (3/3) ... [2024-11-23 01:08:21,385 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_15_bad.i [2024-11-23 01:08:21,401 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:08:21,401 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:08:21,474 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:08:21,484 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;@6636040d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:08:21,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 01:08:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 01:08:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-23 01:08:21,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:08:21,517 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:08:21,518 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 01:08:21,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:08:21,527 INFO L85 PathProgramCache]: Analyzing trace with hash 957707381, now seen corresponding path program 1 times [2024-11-23 01:08:21,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:08:21,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562537706] [2024-11-23 01:08:21,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:08:21,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:08:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:08:21,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 01:08:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:08:21,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 01:08:21,836 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 01:08:21,837 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 01:08:21,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 01:08:21,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:08:21,846 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 01:08:21,872 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:08:21,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:08:21 BoogieIcfgContainer [2024-11-23 01:08:21,875 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:08:21,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:08:21,875 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:08:21,875 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:08:21,876 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:21" (3/4) ... [2024-11-23 01:08:21,878 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 01:08:21,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:08:21,880 INFO L158 Benchmark]: Toolchain (without parser) took 2107.99ms. Allocated memory is still 163.6MB. Free memory was 91.2MB in the beginning and 130.0MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:08:21,880 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:08:21,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1122.03ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 81.4MB in the end (delta: 9.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-23 01:08:21,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.91ms. Allocated memory is still 163.6MB. Free memory was 81.4MB in the beginning and 78.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:08:21,882 INFO L158 Benchmark]: Boogie Preprocessor took 34.05ms. Allocated memory is still 163.6MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:08:21,883 INFO L158 Benchmark]: RCFGBuilder took 391.06ms. Allocated memory is still 163.6MB. Free memory was 76.6MB in the beginning and 63.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 01:08:21,883 INFO L158 Benchmark]: TraceAbstraction took 495.34ms. Allocated memory is still 163.6MB. Free memory was 63.1MB in the beginning and 130.0MB in the end (delta: -66.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-23 01:08:21,884 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 163.6MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:08:21,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1122.03ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 81.4MB in the end (delta: 9.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.91ms. Allocated memory is still 163.6MB. Free memory was 81.4MB in the beginning and 78.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.05ms. Allocated memory is still 163.6MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.06ms. Allocated memory is still 163.6MB. Free memory was 76.6MB in the beginning and 63.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 495.34ms. Allocated memory is still 163.6MB. Free memory was 63.1MB in the beginning and 130.0MB in the end (delta: -66.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 163.6MB. Free memory is still 130.0MB. 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: 1566]: 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 1578. 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] 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] [L1563] case 7: 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] [L1566] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1566]: 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, 28 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=28occurred 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, 13 NumberOfCodeBlocks, 13 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 [2024-11-23 01:08:21,908 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_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 3fc7fd25ad986ebb2cd9cecfaa8466d8be84eaaa05d65b1e6c20f2161067ad5f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:08:23,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:08:23,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 01:08:23,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:08:23,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:08:23,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 01:08:23,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:08:23,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:08:23,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:08:23,953 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:08:23,954 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:08:23,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:08:23,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:08:23,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:08:23,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:08:23,957 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:08:23,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:08:23,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:08:23,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:08:23,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:08:23,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:08:23,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:08:23,961 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 01:08:23,961 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 01:08:23,962 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:08:23,962 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:08:23,962 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 01:08:23,962 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:08:23,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:08:23,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:08:23,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:08:23,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:08:23,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:08:23,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:08:23,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:08:23,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:08:23,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:08:23,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:08:23,964 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-23 01:08:23,964 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 01:08:23,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:08:23,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:08:23,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:08:23,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:08:23,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc7fd25ad986ebb2cd9cecfaa8466d8be84eaaa05d65b1e6c20f2161067ad5f [2024-11-23 01:08:24,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:08:24,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:08:24,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:08:24,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:08:24,288 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:08:24,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i [2024-11-23 01:08:25,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:08:26,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:08:26,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_bad.i [2024-11-23 01:08:26,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a49408f/cfd31687bf414496888d242d12bc41ab/FLAGaad1ecbcb [2024-11-23 01:08:26,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a49408f/cfd31687bf414496888d242d12bc41ab [2024-11-23 01:08:26,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:08:26,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:08:26,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:08:26,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:08:26,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:08:26,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:26" (1/1) ... [2024-11-23 01:08:26,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af86dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26, skipping insertion in model container [2024-11-23 01:08:26,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:26" (1/1) ... [2024-11-23 01:08:26,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:08:27,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:08:27,083 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:08:27,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:08:27,276 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:08:27,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27 WrapperNode [2024-11-23 01:08:27,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:08:27,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:08:27,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:08:27,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:08:27,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,327 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-23 01:08:27,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:08:27,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:08:27,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:08:27,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:08:27,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,350 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 01:08:27,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:08:27,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:08:27,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:08:27,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:08:27,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (1/1) ... [2024-11-23 01:08:27,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:08:27,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:08:27,398 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) [2024-11-23 01:08:27,407 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 [2024-11-23 01:08:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 01:08:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 01:08:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:08:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:08:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:08:27,562 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:08:27,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:08:27,697 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-23 01:08:27,697 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:08:27,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:08:27,710 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:08:27,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:27 BoogieIcfgContainer [2024-11-23 01:08:27,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:08:27,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:08:27,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:08:27,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:08:27,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:08:26" (1/3) ... [2024-11-23 01:08:27,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a4f8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:27, skipping insertion in model container [2024-11-23 01:08:27,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:27" (2/3) ... [2024-11-23 01:08:27,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a4f8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:27, skipping insertion in model container [2024-11-23 01:08:27,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:27" (3/3) ... [2024-11-23 01:08:27,718 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_15_bad.i [2024-11-23 01:08:27,732 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:08:27,733 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:08:27,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:08:27,782 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;@6d208260, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:08:27,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 01:08:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 01:08:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-23 01:08:27,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:08:27,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:08:27,792 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 01:08:27,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:08:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash 957707381, now seen corresponding path program 1 times [2024-11-23 01:08:27,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 01:08:27,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516568995] [2024-11-23 01:08:27,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:08:27,819 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 [2024-11-23 01:08:27,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 01:08:27,822 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) [2024-11-23 01:08:27,823 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 [2024-11-23 01:08:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:08:27,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 01:08:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:08:27,928 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-23 01:08:27,930 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 01:08:27,930 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 01:08:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 01:08:27,936 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 [2024-11-23 01:08:28,135 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 [2024-11-23 01:08:28,139 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 01:08:28,158 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:08:28,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:08:28 BoogieIcfgContainer [2024-11-23 01:08:28,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:08:28,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:08:28,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:08:28,162 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:08:28,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:27" (3/4) ... [2024-11-23 01:08:28,164 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 01:08:28,165 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:08:28,166 INFO L158 Benchmark]: Toolchain (without parser) took 1846.63ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 48.1MB in the beginning and 91.4MB in the end (delta: -43.4MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-23 01:08:28,166 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:08:28,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 955.71ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 47.8MB in the beginning and 71.2MB in the end (delta: -23.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-23 01:08:28,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.66ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 67.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:08:28,167 INFO L158 Benchmark]: Boogie Preprocessor took 33.78ms. Allocated memory is still 130.0MB. Free memory was 67.8MB in the beginning and 64.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:08:28,168 INFO L158 Benchmark]: RCFGBuilder took 348.10ms. Allocated memory is still 130.0MB. Free memory was 64.9MB in the beginning and 51.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 01:08:28,168 INFO L158 Benchmark]: TraceAbstraction took 448.14ms. Allocated memory is still 130.0MB. Free memory was 50.2MB in the beginning and 91.4MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:08:28,168 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 130.0MB. Free memory was 91.4MB in the beginning and 91.4MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:08:28,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 955.71ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 47.8MB in the beginning and 71.2MB in the end (delta: -23.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.66ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 67.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.78ms. Allocated memory is still 130.0MB. Free memory was 67.8MB in the beginning and 64.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.10ms. Allocated memory is still 130.0MB. Free memory was 64.9MB in the beginning and 51.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 448.14ms. Allocated memory is still 130.0MB. Free memory was 50.2MB in the beginning and 91.4MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 130.0MB. Free memory was 91.4MB in the beginning and 91.4MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1566]: 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 1578. 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] 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] [L1563] case 7: 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] [L1566] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1566]: 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, 28 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=28occurred 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, 13 NumberOfCodeBlocks, 13 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 [2024-11-23 01:08:28,190 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