./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:26:37,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:26:37,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 14:26:37,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:26:37,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:26:37,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:26:37,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:26:37,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:26:37,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:26:37,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:26:37,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:26:37,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:26:37,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:26:37,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:26:37,621 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:26:37,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:26:37,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:26:37,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:26:37,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:26:37,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:26:37,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:26:37,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:26:37,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:26:37,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:26:37,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:26:37,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:26:37,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:26:37,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:26:37,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:26:37,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:26:37,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:26:37,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:26:37,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:26:37,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:26:37,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:26:37,628 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:26:37,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:26:37,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:26:37,629 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:26:37,629 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:26:37,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:26:37,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-11-09 14:26:37,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:26:37,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:26:37,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:26:37,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:26:37,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:26:37,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-09 14:26:39,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:26:39,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:26:39,577 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-09 14:26:39,597 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38edb85f8/1d5850b0927b471e8afdd8096fc0f0f6/FLAG50d9c9789 [2024-11-09 14:26:39,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38edb85f8/1d5850b0927b471e8afdd8096fc0f0f6 [2024-11-09 14:26:39,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:26:39,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:26:39,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:26:39,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:26:39,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:26:39,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:26:39" (1/1) ... [2024-11-09 14:26:39,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28280554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:39, skipping insertion in model container [2024-11-09 14:26:39,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:26:39" (1/1) ... [2024-11-09 14:26:39,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:26:40,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:26:40,612 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:26:40,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:26:40,849 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:26:40,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40 WrapperNode [2024-11-09 14:26:40,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:26:40,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:26:40,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:26:40,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:26:40,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:40,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:40,967 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-11-09 14:26:40,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:26:40,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:26:40,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:26:40,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:26:40,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:40,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:40,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:41,004 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 14:26:41,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:41,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:41,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:41,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:41,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:41,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:41,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:26:41,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:26:41,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:26:41,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:26:41,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (1/1) ... [2024-11-09 14:26:41,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:26:41,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:26:41,062 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) [2024-11-09 14:26:41,064 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 [2024-11-09 14:26:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 14:26:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 14:26:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:26:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:26:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:26:41,223 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:26:41,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:26:41,488 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-09 14:26:41,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:26:41,499 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:26:41,500 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:26:41,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:26:41 BoogieIcfgContainer [2024-11-09 14:26:41,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:26:41,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:26:41,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:26:41,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:26:41,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:26:39" (1/3) ... [2024-11-09 14:26:41,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc8bbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:26:41, skipping insertion in model container [2024-11-09 14:26:41,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:40" (2/3) ... [2024-11-09 14:26:41,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc8bbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:26:41, skipping insertion in model container [2024-11-09 14:26:41,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:26:41" (3/3) ... [2024-11-09 14:26:41,508 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-09 14:26:41,523 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:26:41,523 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 14:26:41,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:26:41,579 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;@4ba0ed18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:26:41,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 14:26:41,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 39 states have internal predecessors, (54), 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) [2024-11-09 14:26:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 14:26:41,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:26:41,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:26:41,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 14:26:41,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:26:41,602 INFO L85 PathProgramCache]: Analyzing trace with hash 838439620, now seen corresponding path program 1 times [2024-11-09 14:26:41,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:26:41,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44604247] [2024-11-09 14:26:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:26:41,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:26:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:26:41,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 14:26:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:26:41,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 14:26:41,870 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 14:26:41,871 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 14:26:41,873 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 14:26:41,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:26:41,877 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 14:26:41,905 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:26:41,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:26:41 BoogieIcfgContainer [2024-11-09 14:26:41,908 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:26:41,908 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:26:41,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:26:41,908 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:26:41,909 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:26:41" (3/4) ... [2024-11-09 14:26:41,912 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 14:26:41,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:26:41,914 INFO L158 Benchmark]: Toolchain (without parser) took 2094.11ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 71.1MB in the end (delta: 49.1MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-09 14:26:41,915 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:26:41,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.59ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 113.9MB in the end (delta: 6.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-09 14:26:41,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.96ms. Allocated memory is still 155.2MB. Free memory was 113.9MB in the beginning and 109.8MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:26:41,917 INFO L158 Benchmark]: Boogie Preprocessor took 58.14ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:26:41,918 INFO L158 Benchmark]: RCFGBuilder took 472.13ms. Allocated memory is still 155.2MB. Free memory was 107.7MB in the beginning and 90.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 14:26:41,920 INFO L158 Benchmark]: TraceAbstraction took 405.69ms. Allocated memory is still 155.2MB. Free memory was 90.9MB in the beginning and 72.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 14:26:41,920 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 155.2MB. Free memory was 72.1MB in the beginning and 71.1MB in the end (delta: 934.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:26:41,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.59ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 113.9MB in the end (delta: 6.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.96ms. Allocated memory is still 155.2MB. Free memory was 113.9MB in the beginning and 109.8MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.14ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.13ms. Allocated memory is still 155.2MB. Free memory was 107.7MB in the beginning and 90.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 405.69ms. Allocated memory is still 155.2MB. Free memory was 90.9MB in the beginning and 72.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 155.2MB. Free memory was 72.1MB in the beginning and 71.1MB in the end (delta: 934.0kB). 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: 1556]: 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 1563. 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); 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 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] 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] [L1570] 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] [L1570] 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] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1556]: 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, 43 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=43occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 14:26:41,956 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/11.0.12-open/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 ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:26:44,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:26:44,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-09 14:26:44,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:26:44,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:26:44,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-09 14:26:44,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:26:44,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:26:44,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:26:44,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:26:44,299 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:26:44,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:26:44,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:26:44,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:26:44,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:26:44,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:26:44,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:26:44,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:26:44,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:26:44,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:26:44,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:26:44,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:26:44,306 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 14:26:44,307 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 14:26:44,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:26:44,307 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:26:44,307 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 14:26:44,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:26:44,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:26:44,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:26:44,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:26:44,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:26:44,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:26:44,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:26:44,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:26:44,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:26:44,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:26:44,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:26:44,312 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 14:26:44,312 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 14:26:44,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:26:44,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:26:44,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:26:44,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:26:44,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-11-09 14:26:44,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:26:44,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:26:44,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:26:44,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:26:44,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:26:44,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-09 14:26:46,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:26:46,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:26:46,602 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-09 14:26:46,632 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af31c6dec/91eeaa3c77024540a6284e323a6db3c8/FLAGc59f8673e [2024-11-09 14:26:46,651 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af31c6dec/91eeaa3c77024540a6284e323a6db3c8 [2024-11-09 14:26:46,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:26:46,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:26:46,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:26:46,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:26:46,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:26:46,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:26:46" (1/1) ... [2024-11-09 14:26:46,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eed7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:46, skipping insertion in model container [2024-11-09 14:26:46,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:26:46" (1/1) ... [2024-11-09 14:26:46,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:26:47,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:26:47,481 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:26:47,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:26:47,725 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:26:47,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47 WrapperNode [2024-11-09 14:26:47,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:26:47,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:26:47,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:26:47,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:26:47,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,801 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-09 14:26:47,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:26:47,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:26:47,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:26:47,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:26:47,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,834 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 14:26:47,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:26:47,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:26:47,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:26:47,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:26:47,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (1/1) ... [2024-11-09 14:26:47,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:26:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:26:47,895 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) [2024-11-09 14:26:47,898 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 [2024-11-09 14:26:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 14:26:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 14:26:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:26:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:26:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:26:48,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:26:48,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:26:48,261 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-09 14:26:48,262 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:26:48,275 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:26:48,275 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:26:48,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:26:48 BoogieIcfgContainer [2024-11-09 14:26:48,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:26:48,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:26:48,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:26:48,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:26:48,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:26:46" (1/3) ... [2024-11-09 14:26:48,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c7a624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:26:48, skipping insertion in model container [2024-11-09 14:26:48,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:26:47" (2/3) ... [2024-11-09 14:26:48,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c7a624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:26:48, skipping insertion in model container [2024-11-09 14:26:48,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:26:48" (3/3) ... [2024-11-09 14:26:48,298 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-09 14:26:48,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:26:48,315 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 14:26:48,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:26:48,388 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;@5ce72acd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:26:48,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 14:26:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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) [2024-11-09 14:26:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 14:26:48,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:26:48,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:26:48,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 14:26:48,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:26:48,410 INFO L85 PathProgramCache]: Analyzing trace with hash 149557746, now seen corresponding path program 1 times [2024-11-09 14:26:48,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 14:26:48,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303702162] [2024-11-09 14:26:48,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:26:48,425 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 [2024-11-09 14:26:48,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 14:26:48,429 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) [2024-11-09 14:26:48,430 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 [2024-11-09 14:26:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:26:48,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 14:26:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:26:48,615 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 14:26:48,617 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 14:26:48,618 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 14:26:48,620 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 14:26:48,637 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 [2024-11-09 14:26:48,821 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 [2024-11-09 14:26:48,825 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 14:26:48,852 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:26:48,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:26:48 BoogieIcfgContainer [2024-11-09 14:26:48,856 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:26:48,857 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:26:48,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:26:48,858 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:26:48,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:26:48" (3/4) ... [2024-11-09 14:26:48,860 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 14:26:48,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:26:48,863 INFO L158 Benchmark]: Toolchain (without parser) took 2207.95ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 47.6MB in the beginning and 40.3MB in the end (delta: 7.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-09 14:26:48,864 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 31.5MB in the beginning and 31.4MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:26:48,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1069.86ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 47.3MB in the beginning and 55.3MB in the end (delta: -8.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-11-09 14:26:48,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.13ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 52.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:26:48,866 INFO L158 Benchmark]: Boogie Preprocessor took 48.97ms. Allocated memory is still 86.0MB. Free memory was 52.3MB in the beginning and 49.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:26:48,867 INFO L158 Benchmark]: RCFGBuilder took 422.39ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 35.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 14:26:48,868 INFO L158 Benchmark]: TraceAbstraction took 577.52ms. Allocated memory is still 86.0MB. Free memory was 34.6MB in the beginning and 40.8MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:26:48,869 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 86.0MB. Free memory was 40.8MB in the beginning and 40.3MB in the end (delta: 468.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:26:48,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 31.5MB in the beginning and 31.4MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1069.86ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 47.3MB in the beginning and 55.3MB in the end (delta: -8.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.13ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 52.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.97ms. Allocated memory is still 86.0MB. Free memory was 52.3MB in the beginning and 49.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.39ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 35.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 577.52ms. Allocated memory is still 86.0MB. Free memory was 34.6MB in the beginning and 40.8MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 86.0MB. Free memory was 40.8MB in the beginning and 40.3MB in the end (delta: 468.3kB). 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: 1556]: 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 1563. 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); 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 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] 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] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=-2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1556]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=23occurred 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, 13 NumberOfCodeBlocks, 13 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 [2024-11-09 14:26:48,904 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