./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_postdec_53_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_postdec_53_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 51ebcd2fe867611391d9a062d78287beba1dfdad0897f973b30045274bcec71e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:00:24,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:00:24,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 16:00:24,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:00:24,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:00:24,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:00:24,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:00:24,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:00:24,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:00:24,894 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:00:24,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:00:24,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:00:24,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:00:24,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:00:24,896 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:00:24,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:00:24,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:00:24,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:00:24,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:00:24,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:00:24,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:00:24,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:00:24,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:00:24,899 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:00:24,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:00:24,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:00:24,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:00:24,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:00:24,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:00:24,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:00:24,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:00:24,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:24,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:00:24,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:00:24,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:00:24,903 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:00:24,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:00:24,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:00:24,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:00:24,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:00:24,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:00:24,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51ebcd2fe867611391d9a062d78287beba1dfdad0897f973b30045274bcec71e [2024-10-13 16:00:25,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:00:25,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:00:25,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:00:25,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:00:25,196 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:00:25,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2024-10-13 16:00:26,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:00:27,035 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:00:27,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2024-10-13 16:00:27,067 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0b8601e/3b3d393aedf84a259737cfa6c200380f/FLAGe49cd484c [2024-10-13 16:00:27,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0b8601e/3b3d393aedf84a259737cfa6c200380f [2024-10-13 16:00:27,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:00:27,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:00:27,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:27,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:00:27,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:00:27,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:27" (1/1) ... [2024-10-13 16:00:27,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee1ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:27, skipping insertion in model container [2024-10-13 16:00:27,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:27" (1/1) ... [2024-10-13 16:00:27,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:00:27,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:27,868 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:00:27,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:28,102 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:00:28,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28 WrapperNode [2024-10-13 16:00:28,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:28,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:28,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:00:28,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:00:28,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,192 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-10-13 16:00:28,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:28,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:00:28,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:00:28,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:00:28,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,222 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,238 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:00:28,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:00:28,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:00:28,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:00:28,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:00:28,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (1/1) ... [2024-10-13 16:00:28,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:28,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:00:28,291 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 16:00:28,295 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 16:00:28,352 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:00:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:00:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:00:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:00:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:00:28,522 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:00:28,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:00:28,631 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-13 16:00:28,631 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:00:28,671 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:00:28,675 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:00:28,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:28 BoogieIcfgContainer [2024-10-13 16:00:28,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:00:28,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:00:28,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:00:28,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:00:28,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:00:27" (1/3) ... [2024-10-13 16:00:28,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104e2893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:28, skipping insertion in model container [2024-10-13 16:00:28,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:28" (2/3) ... [2024-10-13 16:00:28,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104e2893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:28, skipping insertion in model container [2024-10-13 16:00:28,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:28" (3/3) ... [2024-10-13 16:00:28,686 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2024-10-13 16:00:28,702 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:00:28,703 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:00:28,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:00:28,772 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;@1c0424b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:00:28,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:00:28,776 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 16:00:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 16:00:28,789 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:28,789 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:28,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:00:28,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:28,796 INFO L85 PathProgramCache]: Analyzing trace with hash -733349546, now seen corresponding path program 1 times [2024-10-13 16:00:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:00:28,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306402489] [2024-10-13 16:00:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:28,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:00:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:00:28,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:00:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:00:28,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:00:28,964 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:00:28,966 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:00:28,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:00:28,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:00:28,973 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:00:28,999 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:00:29,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:00:29 BoogieIcfgContainer [2024-10-13 16:00:29,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:00:29,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:00:29,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:00:29,006 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:00:29,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:28" (3/4) ... [2024-10-13 16:00:29,009 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:00:29,010 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:00:29,011 INFO L158 Benchmark]: Toolchain (without parser) took 1920.42ms. Allocated memory is still 172.0MB. Free memory was 113.3MB in the beginning and 105.3MB in the end (delta: 8.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-10-13 16:00:29,012 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:29,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1011.77ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 48.0MB in the end (delta: 64.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-10-13 16:00:29,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.56ms. Allocated memory is still 172.0MB. Free memory was 48.0MB in the beginning and 137.2MB in the end (delta: -89.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-13 16:00:29,013 INFO L158 Benchmark]: Boogie Preprocessor took 55.37ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 135.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:29,014 INFO L158 Benchmark]: RCFGBuilder took 426.42ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 121.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 16:00:29,015 INFO L158 Benchmark]: TraceAbstraction took 326.20ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 105.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 16:00:29,016 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 105.3MB in the end (delta: 346.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:29,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1011.77ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 48.0MB in the end (delta: 64.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.56ms. Allocated memory is still 172.0MB. Free memory was 48.0MB in the beginning and 137.2MB in the end (delta: -89.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.37ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 135.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.42ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 121.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 326.20ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 105.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 105.3MB in the end (delta: 346.8kB). 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: 1577]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_53d_badSink(data) [L1577] 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: 1577]: 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 16:00:29,059 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_postdec_53_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 51ebcd2fe867611391d9a062d78287beba1dfdad0897f973b30045274bcec71e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:00:31,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:00:31,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 16:00:31,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:00:31,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:00:31,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 16:00:31,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:00:31,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:00:31,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:00:31,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:00:31,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:00:31,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:00:31,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:00:31,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:00:31,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:00:31,383 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:00:31,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:00:31,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:00:31,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:00:31,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:00:31,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:00:31,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:00:31,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 16:00:31,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 16:00:31,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:00:31,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:00:31,386 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 16:00:31,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:00:31,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:00:31,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:00:31,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:00:31,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:00:31,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:00:31,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:00:31,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:31,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:00:31,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:00:31,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:00:31,392 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 16:00:31,392 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 16:00:31,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:00:31,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:00:31,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:00:31,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:00:31,394 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 16:00:31,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51ebcd2fe867611391d9a062d78287beba1dfdad0897f973b30045274bcec71e [2024-10-13 16:00:31,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:00:31,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:00:31,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:00:31,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:00:31,749 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:00:31,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2024-10-13 16:00:33,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:00:33,731 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:00:33,733 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2024-10-13 16:00:33,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af1a9018/2e99498d92624e85a505869a0f90470d/FLAG57b8b5f49 [2024-10-13 16:00:33,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af1a9018/2e99498d92624e85a505869a0f90470d [2024-10-13 16:00:33,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:00:33,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:00:33,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:33,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:00:33,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:00:33,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:33" (1/1) ... [2024-10-13 16:00:33,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfefc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:33, skipping insertion in model container [2024-10-13 16:00:33,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:33" (1/1) ... [2024-10-13 16:00:33,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:00:34,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:34,722 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:00:34,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:34,976 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:00:34,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34 WrapperNode [2024-10-13 16:00:34,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:34,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:34,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:00:34,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:00:34,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,035 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-10-13 16:00:35,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:35,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:00:35,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:00:35,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:00:35,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,061 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,079 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:00:35,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:00:35,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:00:35,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:00:35,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:00:35,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (1/1) ... [2024-10-13 16:00:35,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:35,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:00:35,149 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 16:00:35,156 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 16:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:00:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:00:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:00:35,348 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:00:35,350 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:00:35,481 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-10-13 16:00:35,482 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:00:35,533 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:00:35,534 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:00:35,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:35 BoogieIcfgContainer [2024-10-13 16:00:35,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:00:35,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:00:35,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:00:35,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:00:35,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:00:33" (1/3) ... [2024-10-13 16:00:35,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686d2bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:35, skipping insertion in model container [2024-10-13 16:00:35,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:34" (2/3) ... [2024-10-13 16:00:35,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686d2bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:35, skipping insertion in model container [2024-10-13 16:00:35,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:35" (3/3) ... [2024-10-13 16:00:35,543 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_53_bad.i [2024-10-13 16:00:35,558 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:00:35,558 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:00:35,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:00:35,624 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;@55d9618c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:00:35,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:00:35,629 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 16:00:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 16:00:35,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:35,637 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:35,638 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:00:35,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:35,646 INFO L85 PathProgramCache]: Analyzing trace with hash -733349546, now seen corresponding path program 1 times [2024-10-13 16:00:35,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:00:35,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608337744] [2024-10-13 16:00:35,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:35,659 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 16:00:35,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:00:35,662 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 16:00:35,663 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 16:00:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:00:35,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:00:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:00:35,829 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 16:00:35,830 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:00:35,831 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:00:35,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:00:35,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-13 16:00:36,037 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 16:00:36,042 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:00:36,064 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:00:36,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:00:36 BoogieIcfgContainer [2024-10-13 16:00:36,069 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:00:36,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:00:36,070 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:00:36,070 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:00:36,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:35" (3/4) ... [2024-10-13 16:00:36,073 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:00:36,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:00:36,075 INFO L158 Benchmark]: Toolchain (without parser) took 2159.27ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 46.0MB in the beginning and 56.5MB in the end (delta: -10.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-13 16:00:36,075 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:36,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.03ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 40.5MB in the end (delta: 5.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:36,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.04ms. Allocated memory is still 90.2MB. Free memory was 40.5MB in the beginning and 37.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:36,078 INFO L158 Benchmark]: Boogie Preprocessor took 66.54ms. Allocated memory is still 90.2MB. Free memory was 37.1MB in the beginning and 61.6MB in the end (delta: -24.5MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-10-13 16:00:36,079 INFO L158 Benchmark]: RCFGBuilder took 430.68ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 45.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 16:00:36,080 INFO L158 Benchmark]: TraceAbstraction took 532.97ms. Allocated memory is still 90.2MB. Free memory was 44.7MB in the beginning and 57.1MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:36,080 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 90.2MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:36,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.03ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 40.5MB in the end (delta: 5.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.04ms. Allocated memory is still 90.2MB. Free memory was 40.5MB in the beginning and 37.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.54ms. Allocated memory is still 90.2MB. Free memory was 37.1MB in the beginning and 61.6MB in the end (delta: -24.5MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 430.68ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 45.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 532.97ms. Allocated memory is still 90.2MB. Free memory was 44.7MB in the beginning and 57.1MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 90.2MB. Free memory is still 56.5MB. 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: 1577]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_53d_badSink(data) [L1577] 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: 1577]: 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 16:00:36,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample