./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_predec_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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_predec_41_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 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:01:19,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:01:19,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 16:01:19,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:01:19,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:01:19,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:01:19,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:01:19,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:01:19,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:01:19,719 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:01:19,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:01:19,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:01:19,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:01:19,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:01:19,723 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:01:19,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:01:19,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:01:19,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:01:19,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:01:19,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:01:19,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:01:19,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:01:19,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:01:19,730 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:01:19,730 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:01:19,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:01:19,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:01:19,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:01:19,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:01:19,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:01:19,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:01:19,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:01:19,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:01:19,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:01:19,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:01:19,733 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:01:19,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:01:19,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:01:19,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:01:19,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:01:19,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:01:19,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 [2024-10-13 16:01:19,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:01:20,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:01:20,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:01:20,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:01:20,030 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:01:20,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-10-13 16:01:21,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:01:21,796 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:01:21,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-10-13 16:01:21,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a354d59/e1a44ebe294146149b3baf06f2eaa407/FLAG86bb1a978 [2024-10-13 16:01:21,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a354d59/e1a44ebe294146149b3baf06f2eaa407 [2024-10-13 16:01:21,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:01:21,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:01:21,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:01:21,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:01:21,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:01:21,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:01:21" (1/1) ... [2024-10-13 16:01:21,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2d317e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:21, skipping insertion in model container [2024-10-13 16:01:21,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:01:21" (1/1) ... [2024-10-13 16:01:21,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:01:22,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:01:22,608 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:01:22,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:01:22,926 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:01:22,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22 WrapperNode [2024-10-13 16:01:22,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:01:22,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:01:22,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:01:22,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:01:22,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:22,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,001 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-10-13 16:01:23,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:01:23,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:01:23,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:01:23,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:01:23,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,039 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:01:23,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:01:23,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:01:23,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:01:23,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:01:23,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (1/1) ... [2024-10-13 16:01:23,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:01:23,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:01:23,084 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) [2024-10-13 16:01:23,086 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 [2024-10-13 16:01:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:01:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:01:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:01:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:01:23,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:01:23,255 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:01:23,257 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:01:23,379 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-13 16:01:23,382 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:01:23,421 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:01:23,422 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:01:23,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:23 BoogieIcfgContainer [2024-10-13 16:01:23,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:01:23,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:01:23,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:01:23,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:01:23,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:01:21" (1/3) ... [2024-10-13 16:01:23,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619a3301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:23, skipping insertion in model container [2024-10-13 16:01:23,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:22" (2/3) ... [2024-10-13 16:01:23,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619a3301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:23, skipping insertion in model container [2024-10-13 16:01:23,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:23" (3/3) ... [2024-10-13 16:01:23,434 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-10-13 16:01:23,451 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:01:23,452 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:01:23,520 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:01:23,531 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;@1e9e4697, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:01:23,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:01:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 16:01:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 16:01:23,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:01:23,543 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:01:23,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:01:23,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:01:23,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2024-10-13 16:01:23,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:01:23,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663496399] [2024-10-13 16:01:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:01:23,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:01:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:01:23,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:01:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:01:23,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:01:23,710 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:01:23,711 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:01:23,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:01:23,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:01:23,717 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:01:23,733 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:01:23,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:01:23 BoogieIcfgContainer [2024-10-13 16:01:23,737 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:01:23,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:01:23,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:01:23,738 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:01:23,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:23" (3/4) ... [2024-10-13 16:01:23,740 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:01:23,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:01:23,742 INFO L158 Benchmark]: Toolchain (without parser) took 1901.90ms. Allocated memory is still 180.4MB. Free memory was 119.2MB in the beginning and 88.4MB in the end (delta: 30.8MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-10-13 16:01:23,743 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 180.4MB. Free memory was 151.4MB in the beginning and 151.2MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:23,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.23ms. Allocated memory is still 180.4MB. Free memory was 118.9MB in the beginning and 123.1MB in the end (delta: -4.3MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-10-13 16:01:23,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.45ms. Allocated memory is still 180.4MB. Free memory was 123.1MB in the beginning and 119.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:01:23,744 INFO L158 Benchmark]: Boogie Preprocessor took 49.32ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:01:23,745 INFO L158 Benchmark]: RCFGBuilder took 371.93ms. Allocated memory is still 180.4MB. Free memory was 117.7MB in the beginning and 105.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 16:01:23,745 INFO L158 Benchmark]: TraceAbstraction took 310.19ms. Allocated memory is still 180.4MB. Free memory was 104.3MB in the beginning and 89.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 16:01:23,746 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 180.4MB. Free memory was 89.3MB in the beginning and 88.4MB in the end (delta: 900.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:01:23,748 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 180.4MB. Free memory was 151.4MB in the beginning and 151.2MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.23ms. Allocated memory is still 180.4MB. Free memory was 118.9MB in the beginning and 123.1MB in the end (delta: -4.3MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.45ms. Allocated memory is still 180.4MB. Free memory was 123.1MB in the beginning and 119.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.32ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.93ms. Allocated memory is still 180.4MB. Free memory was 117.7MB in the beginning and 105.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 310.19ms. Allocated memory is still 180.4MB. Free memory was 104.3MB in the beginning and 89.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 180.4MB. Free memory was 89.3MB in the beginning and 88.4MB in the end (delta: 900.5kB). 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: 1551]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-10-13 16:01:23,777 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_predec_41_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 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:01:26,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:01:26,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 16:01:26,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:01:26,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:01:26,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 16:01:26,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:01:26,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:01:26,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:01:26,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:01:26,119 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:01:26,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:01:26,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:01:26,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:01:26,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:01:26,123 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:01:26,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:01:26,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:01:26,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:01:26,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:01:26,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:01:26,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:01:26,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 16:01:26,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 16:01:26,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:01:26,129 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:01:26,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 16:01:26,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:01:26,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:01:26,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:01:26,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:01:26,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:01:26,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:01:26,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:01:26,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:01:26,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:01:26,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:01:26,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:01:26,139 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 16:01:26,139 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 16:01:26,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:01:26,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:01:26,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:01:26,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:01:26,141 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 16:01:26,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 [2024-10-13 16:01:26,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:01:26,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:01:26,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:01:26,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:01:26,471 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:01:26,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-10-13 16:01:28,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:01:28,343 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:01:28,343 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-10-13 16:01:28,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e2a4c0de/a3535e46a18348219f8a103cb26befc8/FLAGf9badc8c5 [2024-10-13 16:01:28,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e2a4c0de/a3535e46a18348219f8a103cb26befc8 [2024-10-13 16:01:28,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:01:28,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:01:28,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:01:28,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:01:28,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:01:28,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:01:28" (1/1) ... [2024-10-13 16:01:28,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d95e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:28, skipping insertion in model container [2024-10-13 16:01:28,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:01:28" (1/1) ... [2024-10-13 16:01:28,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:01:29,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:01:29,516 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:01:29,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:01:29,740 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:01:29,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29 WrapperNode [2024-10-13 16:01:29,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:01:29,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:01:29,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:01:29,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:01:29,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,797 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-10-13 16:01:29,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:01:29,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:01:29,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:01:29,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:01:29,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,828 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:01:29,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:01:29,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:01:29,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:01:29,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:01:29,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (1/1) ... [2024-10-13 16:01:29,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:01:29,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:01:29,877 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) [2024-10-13 16:01:29,881 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 [2024-10-13 16:01:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:01:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:01:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:01:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:01:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:01:30,057 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:01:30,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:01:30,202 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-13 16:01:30,203 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:01:30,245 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:01:30,245 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:01:30,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:30 BoogieIcfgContainer [2024-10-13 16:01:30,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:01:30,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:01:30,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:01:30,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:01:30,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:01:28" (1/3) ... [2024-10-13 16:01:30,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3252493c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:30, skipping insertion in model container [2024-10-13 16:01:30,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:29" (2/3) ... [2024-10-13 16:01:30,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3252493c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:30, skipping insertion in model container [2024-10-13 16:01:30,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:30" (3/3) ... [2024-10-13 16:01:30,255 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_41_bad.i [2024-10-13 16:01:30,272 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:01:30,272 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:01:30,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:01:30,343 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;@4d786c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:01:30,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:01:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 16:01:30,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 16:01:30,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:01:30,354 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:01:30,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:01:30,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:01:30,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2024-10-13 16:01:30,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:01:30,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798079305] [2024-10-13 16:01:30,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:01:30,375 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 [2024-10-13 16:01:30,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:01:30,378 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) [2024-10-13 16:01:30,380 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 [2024-10-13 16:01:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:01:30,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:01:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:01:30,528 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 16:01:30,530 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:01:30,531 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:01:30,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:01:30,538 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 [2024-10-13 16:01:30,733 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 [2024-10-13 16:01:30,737 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:01:30,761 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:01:30,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:01:30 BoogieIcfgContainer [2024-10-13 16:01:30,765 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:01:30,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:01:30,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:01:30,766 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:01:30,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:30" (3/4) ... [2024-10-13 16:01:30,769 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:01:30,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:01:30,771 INFO L158 Benchmark]: Toolchain (without parser) took 2180.48ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 27.6MB in the beginning and 39.7MB in the end (delta: -12.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-10-13 16:01:30,771 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:30,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1149.88ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 27.6MB in the beginning and 48.8MB in the end (delta: -21.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-10-13 16:01:30,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.42ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 46.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:01:30,773 INFO L158 Benchmark]: Boogie Preprocessor took 46.70ms. Allocated memory is still 88.1MB. Free memory was 46.0MB in the beginning and 43.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:01:30,775 INFO L158 Benchmark]: RCFGBuilder took 400.11ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 55.5MB in the end (delta: -12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 16:01:30,775 INFO L158 Benchmark]: TraceAbstraction took 517.57ms. Allocated memory is still 88.1MB. Free memory was 54.9MB in the beginning and 39.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 16:01:30,776 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 88.1MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:01:30,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1149.88ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 27.6MB in the beginning and 48.8MB in the end (delta: -21.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.42ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 46.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.70ms. Allocated memory is still 88.1MB. Free memory was 46.0MB in the beginning and 43.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.11ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 55.5MB in the end (delta: -12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 517.57ms. Allocated memory is still 88.1MB. Free memory was 54.9MB in the beginning and 39.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 88.1MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1551]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 14 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=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-10-13 16:01:30,809 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