./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_rand_sub_61_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_rand_sub_61_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 989e6c455156ebae5504eabe977a595207f220711402a373c7b868b5dceff99a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:06:58,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:06:58,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 16:06:58,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:06:58,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:06:58,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:06:58,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:06:58,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:06:58,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:06:58,965 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:06:58,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:06:58,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:06:58,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:06:58,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:06:58,968 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:06:58,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:06:58,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:06:58,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:06:58,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:06:58,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:06:58,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:06:58,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:06:58,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:06:58,972 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:06:58,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:06:58,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:06:58,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:06:58,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:06:58,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:06:58,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:06:58,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:06:58,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:06:58,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:06:58,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:06:58,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:06:58,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:06:58,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:06:58,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:06:58,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:06:58,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:06:58,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:06:58,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 989e6c455156ebae5504eabe977a595207f220711402a373c7b868b5dceff99a [2024-10-13 16:06:59,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:06:59,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:06:59,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:06:59,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:06:59,185 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:06:59,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2024-10-13 16:07:00,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:07:00,675 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:07:00,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2024-10-13 16:07:00,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ff37057/064f73f56f4e4730a0de922ca2b9c27a/FLAGbdb38dd09 [2024-10-13 16:07:00,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ff37057/064f73f56f4e4730a0de922ca2b9c27a [2024-10-13 16:07:00,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:07:00,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:07:00,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:07:00,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:07:00,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:07:00,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:07:00" (1/1) ... [2024-10-13 16:07:00,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1809e3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:00, skipping insertion in model container [2024-10-13 16:07:00,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:07:00" (1/1) ... [2024-10-13 16:07:00,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:07:01,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:07:01,339 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:07:01,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:07:01,508 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:07:01,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01 WrapperNode [2024-10-13 16:07:01,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:07:01,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:07:01,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:07:01,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:07:01,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,550 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-10-13 16:07:01,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:07:01,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:07:01,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:07:01,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:07:01,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,567 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:07:01,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:07:01,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:07:01,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:07:01,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:07:01,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (1/1) ... [2024-10-13 16:07:01,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:07:01,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:07:01,610 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 16:07:01,612 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 16:07:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:07:01,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:07:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:07:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:07:01,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:07:01,765 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:07:01,767 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:07:01,912 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-10-13 16:07:01,913 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:07:01,943 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:07:01,943 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:07:01,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:01 BoogieIcfgContainer [2024-10-13 16:07:01,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:07:01,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:07:01,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:07:01,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:07:01,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:07:00" (1/3) ... [2024-10-13 16:07:01,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4742b11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:07:01, skipping insertion in model container [2024-10-13 16:07:01,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:01" (2/3) ... [2024-10-13 16:07:01,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4742b11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:07:01, skipping insertion in model container [2024-10-13 16:07:01,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:01" (3/3) ... [2024-10-13 16:07:01,952 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2024-10-13 16:07:01,966 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:07:01,967 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:07:02,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:07:02,023 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;@6dea754f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:07:02,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:07:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 32 states have internal predecessors, (46), 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 16:07:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 16:07:02,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:07:02,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:07:02,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:07:02,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:07:02,035 INFO L85 PathProgramCache]: Analyzing trace with hash 185180791, now seen corresponding path program 1 times [2024-10-13 16:07:02,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:07:02,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635036868] [2024-10-13 16:07:02,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:07:02,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:07:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:07:02,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:07:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:07:02,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:07:02,259 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:07:02,260 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:07:02,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:07:02,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:07:02,265 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:07:02,285 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:07:02,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:07:02 BoogieIcfgContainer [2024-10-13 16:07:02,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:07:02,290 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:07:02,291 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:07:02,291 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:07:02,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:01" (3/4) ... [2024-10-13 16:07:02,292 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:07:02,293 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:07:02,294 INFO L158 Benchmark]: Toolchain (without parser) took 1574.67ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 53.6MB in the beginning and 131.8MB in the end (delta: -78.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:07:02,294 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:07:02,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.95ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 53.5MB in the beginning and 83.7MB in the end (delta: -30.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-10-13 16:07:02,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.90ms. Allocated memory is still 174.1MB. Free memory was 83.7MB in the beginning and 80.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:07:02,296 INFO L158 Benchmark]: Boogie Preprocessor took 27.09ms. Allocated memory is still 174.1MB. Free memory was 80.5MB in the beginning and 77.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:07:02,297 INFO L158 Benchmark]: RCFGBuilder took 362.79ms. Allocated memory is still 174.1MB. Free memory was 77.4MB in the beginning and 58.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 16:07:02,297 INFO L158 Benchmark]: TraceAbstraction took 342.60ms. Allocated memory is still 174.1MB. Free memory was 57.5MB in the beginning and 131.8MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:07:02,297 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 174.1MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:07:02,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 786.95ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 53.5MB in the beginning and 83.7MB in the end (delta: -30.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.90ms. Allocated memory is still 174.1MB. Free memory was 83.7MB in the beginning and 80.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.09ms. Allocated memory is still 174.1MB. Free memory was 80.5MB in the beginning and 77.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 362.79ms. Allocated memory is still 174.1MB. Free memory was 77.4MB in the beginning and 58.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 342.60ms. Allocated memory is still 174.1MB. Free memory was 57.5MB in the beginning and 131.8MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 174.1MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1569] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1570] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1555] data - 1 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: 1555]: 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, 36 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=36occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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 16:07:02,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_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 989e6c455156ebae5504eabe977a595207f220711402a373c7b868b5dceff99a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:07:04,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:07:04,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 16:07:04,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:07:04,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:07:04,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 16:07:04,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:07:04,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:07:04,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:07:04,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:07:04,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:07:04,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:07:04,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:07:04,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:07:04,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:07:04,139 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:07:04,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:07:04,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:07:04,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:07:04,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:07:04,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:07:04,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:07:04,141 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 16:07:04,141 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 16:07:04,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:07:04,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:07:04,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 16:07:04,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:07:04,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:07:04,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:07:04,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:07:04,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:07:04,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:07:04,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:07:04,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:07:04,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:07:04,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:07:04,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:07:04,153 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 16:07:04,153 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 16:07:04,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:07:04,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:07:04,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:07:04,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:07:04,155 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 16:07:04,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 989e6c455156ebae5504eabe977a595207f220711402a373c7b868b5dceff99a [2024-10-13 16:07:04,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:07:04,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:07:04,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:07:04,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:07:04,425 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:07:04,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2024-10-13 16:07:05,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:07:05,925 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:07:05,927 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2024-10-13 16:07:05,948 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6423b40/41ae334b3ec04638a3ffd772f7a41033/FLAG65facd30e [2024-10-13 16:07:06,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6423b40/41ae334b3ec04638a3ffd772f7a41033 [2024-10-13 16:07:06,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:07:06,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:07:06,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:07:06,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:07:06,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:07:06,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:07:06" (1/1) ... [2024-10-13 16:07:06,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b0932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:06, skipping insertion in model container [2024-10-13 16:07:06,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:07:06" (1/1) ... [2024-10-13 16:07:06,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:07:06,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:07:06,898 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:07:06,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:07:07,080 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:07:07,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07 WrapperNode [2024-10-13 16:07:07,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:07:07,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:07:07,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:07:07,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:07:07,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,125 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-10-13 16:07:07,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:07:07,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:07:07,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:07:07,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:07:07,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,136 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,149 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:07:07,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:07:07,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:07:07,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:07:07,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:07:07,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (1/1) ... [2024-10-13 16:07:07,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:07:07,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:07:07,193 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 16:07:07,195 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 16:07:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 16:07:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 16:07:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:07:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:07:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:07:07,335 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:07:07,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:07:07,425 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-13 16:07:07,426 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:07:07,454 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:07:07,455 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:07:07,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:07 BoogieIcfgContainer [2024-10-13 16:07:07,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:07:07,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:07:07,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:07:07,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:07:07,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:07:06" (1/3) ... [2024-10-13 16:07:07,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee3747d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:07:07, skipping insertion in model container [2024-10-13 16:07:07,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:07" (2/3) ... [2024-10-13 16:07:07,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee3747d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:07:07, skipping insertion in model container [2024-10-13 16:07:07,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:07" (3/3) ... [2024-10-13 16:07:07,462 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_61_bad.i [2024-10-13 16:07:07,486 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:07:07,487 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 16:07:07,527 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:07:07,532 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;@776d661d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:07:07,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 16:07:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 16:07:07,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 16:07:07,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:07:07,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:07:07,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 16:07:07,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:07:07,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1498897462, now seen corresponding path program 1 times [2024-10-13 16:07:07,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 16:07:07,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585465368] [2024-10-13 16:07:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:07:07,561 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 16:07:07,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 16:07:07,569 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 16:07:07,572 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 16:07:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:07:07,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:07:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:07:07,712 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 16:07:07,713 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 16:07:07,714 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 16:07:07,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 16:07:07,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-13 16:07:07,921 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 16:07:07,925 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 16:07:07,940 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:07:07,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:07:07 BoogieIcfgContainer [2024-10-13 16:07:07,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:07:07,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:07:07,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:07:07,942 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:07:07,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:07" (3/4) ... [2024-10-13 16:07:07,944 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:07:07,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:07:07,946 INFO L158 Benchmark]: Toolchain (without parser) took 1708.69ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 30.6MB in the beginning and 37.8MB in the end (delta: -7.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-10-13 16:07:07,947 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 33.5MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:07:07,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 842.20ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 30.3MB in the beginning and 52.1MB in the end (delta: -21.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-10-13 16:07:07,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.07ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 49.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:07:07,949 INFO L158 Benchmark]: Boogie Preprocessor took 43.86ms. Allocated memory is still 81.8MB. Free memory was 49.0MB in the beginning and 46.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:07:07,950 INFO L158 Benchmark]: RCFGBuilder took 285.33ms. Allocated memory is still 81.8MB. Free memory was 46.4MB in the beginning and 29.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 16:07:07,950 INFO L158 Benchmark]: TraceAbstraction took 484.87ms. Allocated memory is still 81.8MB. Free memory was 29.2MB in the beginning and 38.3MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:07:07,951 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 81.8MB. Free memory was 38.3MB in the beginning and 37.8MB in the end (delta: 484.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:07:07,953 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 33.5MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 842.20ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 30.3MB in the beginning and 52.1MB in the end (delta: -21.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.07ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 49.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.86ms. Allocated memory is still 81.8MB. Free memory was 49.0MB in the beginning and 46.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 285.33ms. Allocated memory is still 81.8MB. Free memory was 46.4MB in the beginning and 29.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 484.87ms. Allocated memory is still 81.8MB. Free memory was 29.2MB in the beginning and 38.3MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 81.8MB. Free memory was 38.3MB in the beginning and 37.8MB in the end (delta: 484.0kB). 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: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1569] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1570] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_sub_61b_badSource(data) [L1555] data - 1 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: 1555]: 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, 16 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=16occurred 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, 10 NumberOfCodeBlocks, 10 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 16:07:07,998 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