./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_54_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_54_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 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:00:26,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:00:27,001 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 16:00:27,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:00:27,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:00:27,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:00:27,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:00:27,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:00:27,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:00:27,036 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:00:27,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:00:27,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:00:27,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:00:27,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:00:27,038 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:00:27,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:00:27,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:00:27,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:00:27,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:00:27,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:00:27,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:00:27,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:00:27,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:00:27,042 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:00:27,042 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:00:27,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:00:27,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:00:27,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:00:27,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:00:27,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:00:27,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:00:27,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:27,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:00:27,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:00:27,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:00:27,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:00:27,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:00:27,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:00:27,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:00:27,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:00:27,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:00:27,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 [2024-10-13 16:00:27,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:00:27,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:00:27,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:00:27,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:00:27,380 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:00:27,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2024-10-13 16:00:28,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:00:29,120 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:00:29,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2024-10-13 16:00:29,148 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b28aae5c/820f0fddf8394d04bf4bab0dceec8fcd/FLAG8e26473c7 [2024-10-13 16:00:29,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b28aae5c/820f0fddf8394d04bf4bab0dceec8fcd [2024-10-13 16:00:29,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:00:29,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:00:29,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:29,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:00:29,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:00:29,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:29" (1/1) ... [2024-10-13 16:00:29,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1c2338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:29, skipping insertion in model container [2024-10-13 16:00:29,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:29" (1/1) ... [2024-10-13 16:00:29,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:00:30,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:30,019 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:00:30,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:30,206 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:00:30,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30 WrapperNode [2024-10-13 16:00:30,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:30,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:30,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:00:30,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:00:30,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,290 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 49 [2024-10-13 16:00:30,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:30,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:00:30,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:00:30,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:00:30,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,307 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,323 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:00:30,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:00:30,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:00:30,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:00:30,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:00:30,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (1/1) ... [2024-10-13 16:00:30,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:30,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:00:30,386 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 16:00:30,390 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 16:00:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:00:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:00:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:00:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:00:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:00:30,603 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:00:30,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:00:30,719 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-13 16:00:30,719 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:00:30,764 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:00:30,764 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:00:30,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:30 BoogieIcfgContainer [2024-10-13 16:00:30,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:00:30,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:00:30,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:00:30,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:00:30,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:00:29" (1/3) ... [2024-10-13 16:00:30,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102e355f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:30, skipping insertion in model container [2024-10-13 16:00:30,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:30" (2/3) ... [2024-10-13 16:00:30,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102e355f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:30, skipping insertion in model container [2024-10-13 16:00:30,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:30" (3/3) ... [2024-10-13 16:00:30,772 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2024-10-13 16:00:30,785 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:00:30,785 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:00:30,833 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:00:30,839 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;@47eabdd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:00:30,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:00:30,844 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 16:00:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 16:00:30,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:30,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:30,854 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:00:30,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:30,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1510497223, now seen corresponding path program 1 times [2024-10-13 16:00:30,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:00:30,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961906565] [2024-10-13 16:00:30,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:30,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:00:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:00:31,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:00:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:00:31,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:00:31,038 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:00:31,039 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:00:31,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:00:31,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:00:31,044 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:00:31,060 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:00:31,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:00:31 BoogieIcfgContainer [2024-10-13 16:00:31,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:00:31,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:00:31,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:00:31,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:00:31,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:30" (3/4) ... [2024-10-13 16:00:31,066 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:00:31,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:00:31,068 INFO L158 Benchmark]: Toolchain (without parser) took 1746.62ms. Allocated memory was 169.9MB in the beginning and 241.2MB in the end (delta: 71.3MB). Free memory was 140.2MB in the beginning and 181.4MB in the end (delta: -41.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-10-13 16:00:31,069 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 169.9MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:31,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.20ms. Allocated memory is still 169.9MB. Free memory was 140.2MB in the beginning and 137.9MB in the end (delta: 2.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-10-13 16:00:31,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.37ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 135.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:31,070 INFO L158 Benchmark]: Boogie Preprocessor took 54.28ms. Allocated memory is still 169.9MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:31,071 INFO L158 Benchmark]: RCFGBuilder took 418.05ms. Allocated memory was 169.9MB in the beginning and 241.2MB in the end (delta: 71.3MB). Free memory was 133.7MB in the beginning and 197.1MB in the end (delta: -63.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 16:00:31,071 INFO L158 Benchmark]: TraceAbstraction took 296.30ms. Allocated memory is still 241.2MB. Free memory was 197.1MB in the beginning and 181.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 16:00:31,071 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 241.2MB. Free memory is still 181.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:31,077 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 169.9MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.20ms. Allocated memory is still 169.9MB. Free memory was 140.2MB in the beginning and 137.9MB in the end (delta: 2.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.37ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 135.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.28ms. Allocated memory is still 169.9MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.05ms. Allocated memory was 169.9MB in the beginning and 241.2MB in the end (delta: 71.3MB). Free memory was 133.7MB in the beginning and 197.1MB in the end (delta: -63.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 296.30ms. Allocated memory is still 241.2MB. Free memory was 197.1MB in the beginning and 181.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 241.2MB. Free memory is still 181.4MB. 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: 1582]: 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_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_postdec_54e_badSink(data) [L1582] 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: 1582]: 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 16:00:31,102 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_54_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 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:00:33,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:00:33,360 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 16:00:33,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:00:33,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:00:33,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 16:00:33,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:00:33,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:00:33,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:00:33,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:00:33,404 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:00:33,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:00:33,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:00:33,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:00:33,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:00:33,409 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:00:33,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:00:33,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:00:33,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:00:33,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:00:33,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:00:33,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:00:33,412 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 16:00:33,413 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 16:00:33,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:00:33,414 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:00:33,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 16:00:33,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:00:33,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:00:33,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:00:33,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:00:33,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:00:33,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:00:33,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:00:33,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:33,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:00:33,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:00:33,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:00:33,418 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 16:00:33,418 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 16:00:33,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:00:33,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:00:33,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:00:33,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:00:33,420 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 16:00:33,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 [2024-10-13 16:00:33,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:00:33,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:00:33,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:00:33,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:00:33,787 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:00:33,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2024-10-13 16:00:35,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:00:35,666 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:00:35,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2024-10-13 16:00:35,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8dea72df/8ecb5a9276864ee2944f7b8f4ca171a6/FLAG7d577b9a2 [2024-10-13 16:00:35,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8dea72df/8ecb5a9276864ee2944f7b8f4ca171a6 [2024-10-13 16:00:35,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:00:35,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:00:35,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:35,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:00:35,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:00:35,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:35" (1/1) ... [2024-10-13 16:00:35,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8dcc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:35, skipping insertion in model container [2024-10-13 16:00:35,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:35" (1/1) ... [2024-10-13 16:00:35,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:00:36,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:36,516 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:00:36,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:00:36,746 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:00:36,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36 WrapperNode [2024-10-13 16:00:36,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:00:36,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:36,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:00:36,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:00:36,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,817 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 49 [2024-10-13 16:00:36,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:00:36,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:00:36,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:00:36,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:00:36,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,835 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,850 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:00:36,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:00:36,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:00:36,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:00:36,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:00:36,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (1/1) ... [2024-10-13 16:00:36,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:00:36,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:00:36,932 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 16:00:36,935 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 16:00:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:00:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:00:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:00:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:00:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:00:37,123 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:00:37,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:00:37,244 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-10-13 16:00:37,244 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:00:37,300 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:00:37,301 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:00:37,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:37 BoogieIcfgContainer [2024-10-13 16:00:37,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:00:37,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:00:37,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:00:37,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:00:37,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:00:35" (1/3) ... [2024-10-13 16:00:37,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63764a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:37, skipping insertion in model container [2024-10-13 16:00:37,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:36" (2/3) ... [2024-10-13 16:00:37,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63764a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:00:37, skipping insertion in model container [2024-10-13 16:00:37,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:37" (3/3) ... [2024-10-13 16:00:37,311 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2024-10-13 16:00:37,327 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:00:37,328 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:00:37,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:00:37,398 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;@160a9e1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:00:37,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:00:37,402 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 16:00:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 16:00:37,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:00:37,412 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:00:37,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:00:37,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:00:37,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1510497223, now seen corresponding path program 1 times [2024-10-13 16:00:37,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:00:37,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284272851] [2024-10-13 16:00:37,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:00:37,431 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 16:00:37,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:00:37,435 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 16:00:37,436 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 16:00:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:00:37,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:00:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:00:37,593 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 16:00:37,595 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:00:37,596 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:00:37,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:00:37,605 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 16:00:37,802 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 16:00:37,806 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:00:37,823 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:00:37,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:00:37 BoogieIcfgContainer [2024-10-13 16:00:37,826 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:00:37,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:00:37,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:00:37,827 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:00:37,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:00:37" (3/4) ... [2024-10-13 16:00:37,829 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:00:37,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:00:37,832 INFO L158 Benchmark]: Toolchain (without parser) took 2110.82ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 37.5MB in the beginning and 32.1MB in the end (delta: 5.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-10-13 16:00:37,832 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 28.5MB in the beginning and 28.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:00:37,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.68ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 37.3MB in the beginning and 45.2MB in the end (delta: -7.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-10-13 16:00:37,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.70ms. Allocated memory is still 94.4MB. Free memory was 45.2MB in the beginning and 42.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:37,834 INFO L158 Benchmark]: Boogie Preprocessor took 77.31ms. Allocated memory is still 94.4MB. Free memory was 42.2MB in the beginning and 65.6MB in the end (delta: -23.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-10-13 16:00:37,835 INFO L158 Benchmark]: RCFGBuilder took 405.45ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 49.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 16:00:37,836 INFO L158 Benchmark]: TraceAbstraction took 522.55ms. Allocated memory is still 94.4MB. Free memory was 48.9MB in the beginning and 33.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 16:00:37,838 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 94.4MB. Free memory was 32.8MB in the beginning and 32.1MB in the end (delta: 757.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:00:37,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 28.5MB in the beginning and 28.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.68ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 37.3MB in the beginning and 45.2MB in the end (delta: -7.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.70ms. Allocated memory is still 94.4MB. Free memory was 45.2MB in the beginning and 42.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.31ms. Allocated memory is still 94.4MB. Free memory was 42.2MB in the beginning and 65.6MB in the end (delta: -23.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 405.45ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 49.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 522.55ms. Allocated memory is still 94.4MB. Free memory was 48.9MB in the beginning and 33.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 94.4MB. Free memory was 32.8MB in the beginning and 32.1MB in the end (delta: 757.8kB). 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: 1582]: 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_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_postdec_54e_badSink(data) [L1582] 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: 1582]: 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 16:00:37,877 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