./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_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 733fb4a3b42cbda2026f7363bb399c0653f61e3f5372cb3755f60fa2ff5c5c4b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:11:14,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:11:14,833 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 23:11:14,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:11:14,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:11:14,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:11:14,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:11:14,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:11:14,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:11:14,856 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:11:14,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:11:14,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:11:14,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:11:14,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:11:14,858 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:11:14,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:11:14,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:11:14,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:11:14,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:11:14,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:11:14,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:11:14,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:11:14,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:11:14,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:11:14,866 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:11:14,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:11:14,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:11:14,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:11:14,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:11:14,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:11:14,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:11:14,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:11:14,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:11:14,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:11:14,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:11:14,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:11:14,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:11:14,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:11:14,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:11:14,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:11:14,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:11:14,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 733fb4a3b42cbda2026f7363bb399c0653f61e3f5372cb3755f60fa2ff5c5c4b [2024-10-14 23:11:15,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:11:15,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:11:15,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:11:15,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:11:15,098 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:11:15,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_bad.i [2024-10-14 23:11:16,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:11:16,563 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:11:16,563 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_bad.i [2024-10-14 23:11:16,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639b634cd/c6f9bb58da2c4cd1875168608a6e1228/FLAGdd2d191b6 [2024-10-14 23:11:16,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639b634cd/c6f9bb58da2c4cd1875168608a6e1228 [2024-10-14 23:11:16,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:11:16,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:11:16,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:11:16,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:11:16,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:11:16,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:11:16" (1/1) ... [2024-10-14 23:11:16,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce6da12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:16, skipping insertion in model container [2024-10-14 23:11:16,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:11:16" (1/1) ... [2024-10-14 23:11:16,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:11:17,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:11:17,244 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:11:17,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:11:17,378 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:11:17,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17 WrapperNode [2024-10-14 23:11:17,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:11:17,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:11:17,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:11:17,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:11:17,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,435 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-10-14 23:11:17,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:11:17,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:11:17,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:11:17,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:11:17,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,448 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,460 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:11:17,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:11:17,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:11:17,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:11:17,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:11:17,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (1/1) ... [2024-10-14 23:11:17,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:11:17,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:11:17,504 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) [2024-10-14 23:11:17,506 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 [2024-10-14 23:11:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:11:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:11:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:11:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:11:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:11:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-14 23:11:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-14 23:11:17,647 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:11:17,649 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:11:17,742 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 23:11:17,743 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:11:17,763 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:11:17,763 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:11:17,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:17 BoogieIcfgContainer [2024-10-14 23:11:17,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:11:17,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:11:17,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:11:17,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:11:17,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:11:16" (1/3) ... [2024-10-14 23:11:17,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c418446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:11:17, skipping insertion in model container [2024-10-14 23:11:17,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:17" (2/3) ... [2024-10-14 23:11:17,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c418446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:11:17, skipping insertion in model container [2024-10-14 23:11:17,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:17" (3/3) ... [2024-10-14 23:11:17,773 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_08_bad.i [2024-10-14 23:11:17,786 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:11:17,786 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:11:17,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:11:17,835 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c0b0c0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:11:17,835 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 23:11:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.4) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 23:11:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 23:11:17,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:11:17,846 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:11:17,847 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 23:11:17,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:11:17,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2020065621, now seen corresponding path program 1 times [2024-10-14 23:11:17,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:11:17,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648940275] [2024-10-14 23:11:17,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:11:17,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:11:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:11:17,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:11:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:11:17,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 23:11:18,009 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:11:18,010 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 23:11:18,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 23:11:18,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:11:18,015 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-14 23:11:18,033 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:11:18,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:11:18 BoogieIcfgContainer [2024-10-14 23:11:18,037 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:11:18,037 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:11:18,037 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:11:18,038 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:11:18,038 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:17" (3/4) ... [2024-10-14 23:11:18,040 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 23:11:18,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:11:18,042 INFO L158 Benchmark]: Toolchain (without parser) took 1438.83ms. Allocated memory is still 186.6MB. Free memory was 115.2MB in the beginning and 151.0MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:11:18,042 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:11:18,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.49ms. Allocated memory is still 186.6MB. Free memory was 115.0MB in the beginning and 109.0MB in the end (delta: 6.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-10-14 23:11:18,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.87ms. Allocated memory is still 186.6MB. Free memory was 109.0MB in the beginning and 106.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:11:18,043 INFO L158 Benchmark]: Boogie Preprocessor took 36.52ms. Allocated memory is still 186.6MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:11:18,043 INFO L158 Benchmark]: RCFGBuilder took 290.11ms. Allocated memory is still 186.6MB. Free memory was 104.0MB in the beginning and 90.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 23:11:18,044 INFO L158 Benchmark]: TraceAbstraction took 271.51ms. Allocated memory is still 186.6MB. Free memory was 89.4MB in the beginning and 151.0MB in the end (delta: -61.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-10-14 23:11:18,044 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 186.6MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:11:18,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.49ms. Allocated memory is still 186.6MB. Free memory was 115.0MB in the beginning and 109.0MB in the end (delta: 6.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.87ms. Allocated memory is still 186.6MB. Free memory was 109.0MB in the beginning and 106.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.52ms. Allocated memory is still 186.6MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.11ms. Allocated memory is still 186.6MB. Free memory was 104.0MB in the beginning and 90.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 271.51ms. Allocated memory is still 186.6MB. Free memory was 89.4MB in the beginning and 151.0MB in the end (delta: -61.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 186.6MB. Free memory is still 151.0MB. 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: 1568]: 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 1576. 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); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_min_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] 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] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] 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: 1568]: 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 3 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 23:11:18,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_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 733fb4a3b42cbda2026f7363bb399c0653f61e3f5372cb3755f60fa2ff5c5c4b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:11:19,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:11:19,915 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 23:11:19,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:11:19,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:11:19,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 23:11:19,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:11:19,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:11:19,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:11:19,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:11:19,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:11:19,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:11:19,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:11:19,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:11:19,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:11:19,950 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:11:19,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:11:19,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:11:19,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:11:19,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:11:19,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:11:19,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:11:19,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 23:11:19,952 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 23:11:19,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:11:19,953 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:11:19,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 23:11:19,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:11:19,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:11:19,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:11:19,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:11:19,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:11:19,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:11:19,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:11:19,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:11:19,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:11:19,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:11:19,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:11:19,956 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 23:11:19,956 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 23:11:19,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:11:19,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:11:19,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:11:19,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:11:19,958 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 23:11:19,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 733fb4a3b42cbda2026f7363bb399c0653f61e3f5372cb3755f60fa2ff5c5c4b [2024-10-14 23:11:20,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:11:20,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:11:20,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:11:20,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:11:20,257 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:11:20,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_bad.i [2024-10-14 23:11:21,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:11:21,846 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:11:21,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_bad.i [2024-10-14 23:11:21,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc807a06b/014531c232664395b4239e228226b3cb/FLAG663624743 [2024-10-14 23:11:21,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc807a06b/014531c232664395b4239e228226b3cb [2024-10-14 23:11:21,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:11:21,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:11:21,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:11:21,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:11:21,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:11:21,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:11:21" (1/1) ... [2024-10-14 23:11:21,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732aba9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:21, skipping insertion in model container [2024-10-14 23:11:21,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:11:21" (1/1) ... [2024-10-14 23:11:21,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:11:22,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:11:22,533 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:11:22,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:11:22,720 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:11:22,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22 WrapperNode [2024-10-14 23:11:22,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:11:22,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:11:22,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:11:22,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:11:22,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,775 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-10-14 23:11:22,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:11:22,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:11:22,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:11:22,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:11:22,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,786 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,797 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:11:22,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:11:22,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:11:22,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:11:22,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:11:22,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (1/1) ... [2024-10-14 23:11:22,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:11:22,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:11:22,836 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) [2024-10-14 23:11:22,838 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 [2024-10-14 23:11:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:11:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:11:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:11:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:11:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:11:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-14 23:11:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-14 23:11:22,988 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:11:22,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:11:23,090 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 23:11:23,090 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:11:23,130 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:11:23,130 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:11:23,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:23 BoogieIcfgContainer [2024-10-14 23:11:23,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:11:23,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:11:23,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:11:23,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:11:23,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:11:21" (1/3) ... [2024-10-14 23:11:23,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5bf8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:11:23, skipping insertion in model container [2024-10-14 23:11:23,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:11:22" (2/3) ... [2024-10-14 23:11:23,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5bf8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:11:23, skipping insertion in model container [2024-10-14 23:11:23,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:23" (3/3) ... [2024-10-14 23:11:23,137 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_08_bad.i [2024-10-14 23:11:23,150 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:11:23,150 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:11:23,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:11:23,206 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;@5e87b185, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:11:23,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 23:11:23,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 23:11:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 23:11:23,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:11:23,214 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:11:23,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 23:11:23,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:11:23,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1263099548, now seen corresponding path program 1 times [2024-10-14 23:11:23,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 23:11:23,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204098825] [2024-10-14 23:11:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:11:23,228 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 [2024-10-14 23:11:23,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 23:11:23,230 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) [2024-10-14 23:11:23,231 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 [2024-10-14 23:11:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:11:23,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:11:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:11:23,363 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 23:11:23,365 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:11:23,366 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 23:11:23,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 23:11:23,372 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 [2024-10-14 23:11:23,568 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 [2024-10-14 23:11:23,572 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-14 23:11:23,593 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:11:23,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:11:23 BoogieIcfgContainer [2024-10-14 23:11:23,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:11:23,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:11:23,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:11:23,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:11:23,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:11:23" (3/4) ... [2024-10-14 23:11:23,598 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 23:11:23,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:11:23,603 INFO L158 Benchmark]: Toolchain (without parser) took 1717.04ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.8MB in the beginning and 70.8MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:11:23,603 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 35.0MB in the beginning and 34.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:11:23,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.20ms. Allocated memory is still 88.1MB. Free memory was 51.6MB in the beginning and 30.3MB in the end (delta: 21.3MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-10-14 23:11:23,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.15ms. Allocated memory is still 88.1MB. Free memory was 30.3MB in the beginning and 57.6MB in the end (delta: -27.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-10-14 23:11:23,605 INFO L158 Benchmark]: Boogie Preprocessor took 32.29ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 55.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:11:23,606 INFO L158 Benchmark]: RCFGBuilder took 319.41ms. Allocated memory is still 88.1MB. Free memory was 55.0MB in the beginning and 39.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 23:11:23,607 INFO L158 Benchmark]: TraceAbstraction took 464.17ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 39.2MB in the beginning and 71.5MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:11:23,607 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 107.0MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:11:23,609 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 56.6MB. Free memory was 35.0MB in the beginning and 34.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 834.20ms. Allocated memory is still 88.1MB. Free memory was 51.6MB in the beginning and 30.3MB in the end (delta: 21.3MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.15ms. Allocated memory is still 88.1MB. Free memory was 30.3MB in the beginning and 57.6MB in the end (delta: -27.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.29ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 55.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.41ms. Allocated memory is still 88.1MB. Free memory was 55.0MB in the beginning and 39.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 464.17ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 39.2MB in the beginning and 71.5MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 107.0MB. Free memory is still 70.8MB. 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: 1568]: 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 1576. 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); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_min_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] 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] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] 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: 1568]: 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 3 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 17 NumberOfCodeBlocks, 17 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 [2024-10-14 23:11:23,631 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