./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_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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_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-wip.fs.cvc5-61a6796-m [2024-10-14 23:16:15,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:16:15,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 23:16:15,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:16:15,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:16:15,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:16:15,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:16:15,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:16:15,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:16:15,144 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:16:15,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:16:15,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:16:15,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:16:15,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:16:15,146 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:16:15,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:16:15,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:16:15,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:16:15,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:16:15,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:16:15,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:16:15,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:16:15,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:16:15,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:16:15,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:16:15,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:16:15,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:16:15,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:16:15,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:16:15,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:16:15,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:16:15,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:16:15,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:16:15,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:16:15,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:16:15,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:16:15,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:16:15,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:16:15,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:16:15,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:16:15,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:16:15,160 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-10-14 23:16:15,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:16:15,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:16:15,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:16:15,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:16:15,449 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:16:15,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-10-14 23:16:16,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:16:17,176 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:16:17,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-10-14 23:16:17,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/234744376/3ad3e02469d94262b9556d0d887d2d20/FLAG9f4eb92ed [2024-10-14 23:16:17,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/234744376/3ad3e02469d94262b9556d0d887d2d20 [2024-10-14 23:16:17,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:16:17,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:16:17,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:16:17,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:16:17,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:16:17,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:16:17" (1/1) ... [2024-10-14 23:16:17,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a9f118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:17, skipping insertion in model container [2024-10-14 23:16:17,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:16:17" (1/1) ... [2024-10-14 23:16:17,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:16:17,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:16:17,798 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:16:17,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:16:18,008 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:16:18,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18 WrapperNode [2024-10-14 23:16:18,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:16:18,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:16:18,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:16:18,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:16:18,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,057 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-10-14 23:16:18,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:16:18,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:16:18,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:16:18,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:16:18,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,078 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:16:18,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:16:18,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:16:18,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:16:18,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:16:18,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (1/1) ... [2024-10-14 23:16:18,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:16:18,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:16:18,120 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) [2024-10-14 23:16:18,125 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 [2024-10-14 23:16:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:16:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:16:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:16:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:16:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:16:18,317 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:16:18,319 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:16:18,507 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-10-14 23:16:18,508 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:16:18,536 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:16:18,536 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:16:18,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:16:18 BoogieIcfgContainer [2024-10-14 23:16:18,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:16:18,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:16:18,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:16:18,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:16:18,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:16:17" (1/3) ... [2024-10-14 23:16:18,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7390c188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:16:18, skipping insertion in model container [2024-10-14 23:16:18,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:18" (2/3) ... [2024-10-14 23:16:18,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7390c188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:16:18, skipping insertion in model container [2024-10-14 23:16:18,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:16:18" (3/3) ... [2024-10-14 23:16:18,545 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-10-14 23:16:18,560 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:16:18,561 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:16:18,606 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:16:18,611 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;@35b6e0b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:16:18,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 23:16:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 32 states have (on average 1.53125) internal successors, (49), 34 states have internal predecessors, (49), 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) [2024-10-14 23:16:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 23:16:18,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:16:18,620 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:16:18,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 23:16:18,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:16:18,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1609345082, now seen corresponding path program 1 times [2024-10-14 23:16:18,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:16:18,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491249106] [2024-10-14 23:16:18,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:16:18,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:16:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:16:18,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:16:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:16:18,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 23:16:18,810 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:16:18,811 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 23:16:18,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 23:16:18,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:16:18,815 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-14 23:16:18,849 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:16:18,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:16:18 BoogieIcfgContainer [2024-10-14 23:16:18,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:16:18,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:16:18,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:16:18,856 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:16:18,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:16:18" (3/4) ... [2024-10-14 23:16:18,859 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 23:16:18,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:16:18,861 INFO L158 Benchmark]: Toolchain (without parser) took 1643.18ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 93.8MB in the beginning and 137.2MB in the end (delta: -43.4MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-10-14 23:16:18,862 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:16:18,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.53ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 93.3MB in the beginning and 181.4MB in the end (delta: -88.1MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-10-14 23:16:18,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.58ms. Allocated memory is still 249.6MB. Free memory was 181.4MB in the beginning and 178.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:16:18,863 INFO L158 Benchmark]: Boogie Preprocessor took 34.65ms. Allocated memory is still 249.6MB. Free memory was 178.3MB in the beginning and 176.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:16:18,864 INFO L158 Benchmark]: RCFGBuilder took 443.72ms. Allocated memory is still 249.6MB. Free memory was 176.2MB in the beginning and 156.3MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 23:16:18,864 INFO L158 Benchmark]: TraceAbstraction took 312.91ms. Allocated memory is still 249.6MB. Free memory was 155.2MB in the beginning and 137.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 23:16:18,865 INFO L158 Benchmark]: Witness Printer took 5.94ms. Allocated memory is still 249.6MB. Free memory was 137.4MB in the beginning and 137.2MB in the end (delta: 204.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:16:18,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.53ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 93.3MB in the beginning and 181.4MB in the end (delta: -88.1MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.58ms. Allocated memory is still 249.6MB. Free memory was 181.4MB in the beginning and 178.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.65ms. Allocated memory is still 249.6MB. Free memory was 178.3MB in the beginning and 176.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.72ms. Allocated memory is still 249.6MB. Free memory was 176.2MB in the beginning and 156.3MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 312.91ms. Allocated memory is still 249.6MB. Free memory was 155.2MB in the beginning and 137.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.94ms. Allocated memory is still 249.6MB. Free memory was 137.4MB in the beginning and 137.2MB in the end (delta: 204.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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); [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; [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, 38 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 15 NumberOfCodeBlocks, 15 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 [2024-10-14 23:16:18,910 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_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-wip.fs.cvc5-61a6796-m [2024-10-14 23:16:20,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:16:20,896 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 23:16:20,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:16:20,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:16:20,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 23:16:20,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:16:20,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:16:20,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:16:20,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:16:20,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:16:20,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:16:20,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:16:20,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:16:20,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:16:20,937 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:16:20,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:16:20,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:16:20,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:16:20,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:16:20,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:16:20,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:16:20,941 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 23:16:20,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 23:16:20,941 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:16:20,941 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:16:20,941 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 23:16:20,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:16:20,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:16:20,942 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:16:20,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:16:20,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:16:20,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:16:20,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:16:20,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:16:20,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:16:20,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:16:20,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:16:20,944 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 23:16:20,944 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 23:16:20,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:16:20,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:16:20,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:16:20,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:16:20,947 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 23:16:20,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-10-14 23:16:21,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:16:21,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:16:21,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:16:21,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:16:21,224 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:16:21,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-10-14 23:16:22,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:16:22,899 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:16:22,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-10-14 23:16:22,922 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ea246bc/5b4f5a76c8264c208e317c823121043c/FLAG0d6c998be [2024-10-14 23:16:22,935 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ea246bc/5b4f5a76c8264c208e317c823121043c [2024-10-14 23:16:22,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:16:22,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:16:22,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:16:22,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:16:22,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:16:22,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:16:22" (1/1) ... [2024-10-14 23:16:22,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ee43cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:22, skipping insertion in model container [2024-10-14 23:16:22,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:16:22" (1/1) ... [2024-10-14 23:16:22,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:16:23,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:16:23,661 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:16:23,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:16:23,816 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:16:23,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23 WrapperNode [2024-10-14 23:16:23,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:16:23,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:16:23,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:16:23,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:16:23,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,881 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-10-14 23:16:23,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:16:23,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:16:23,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:16:23,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:16:23,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,899 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:16:23,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:16:23,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:16:23,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:16:23,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:16:23,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (1/1) ... [2024-10-14 23:16:23,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:16:23,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:16:23,944 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) [2024-10-14 23:16:23,946 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 [2024-10-14 23:16:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:16:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:16:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:16:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:16:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:16:24,121 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:16:24,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:16:24,241 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-10-14 23:16:24,241 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:16:24,270 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:16:24,270 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:16:24,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:16:24 BoogieIcfgContainer [2024-10-14 23:16:24,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:16:24,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:16:24,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:16:24,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:16:24,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:16:22" (1/3) ... [2024-10-14 23:16:24,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfe28f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:16:24, skipping insertion in model container [2024-10-14 23:16:24,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:16:23" (2/3) ... [2024-10-14 23:16:24,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfe28f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:16:24, skipping insertion in model container [2024-10-14 23:16:24,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:16:24" (3/3) ... [2024-10-14 23:16:24,278 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-10-14 23:16:24,290 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:16:24,290 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:16:24,333 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:16:24,338 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;@7832b907, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:16:24,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 23:16:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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) [2024-10-14 23:16:24,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 23:16:24,346 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:16:24,346 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:16:24,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 23:16:24,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:16:24,351 INFO L85 PathProgramCache]: Analyzing trace with hash -455424952, now seen corresponding path program 1 times [2024-10-14 23:16:24,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 23:16:24,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135813204] [2024-10-14 23:16:24,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:16:24,360 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 [2024-10-14 23:16:24,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 23:16:24,362 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) [2024-10-14 23:16:24,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 23:16:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:16:24,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:16:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:16:24,514 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 23:16:24,516 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:16:24,517 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 23:16:24,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 23:16:24,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-14 23:16:24,719 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 [2024-10-14 23:16:24,723 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-14 23:16:24,742 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:16:24,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:16:24 BoogieIcfgContainer [2024-10-14 23:16:24,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:16:24,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:16:24,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:16:24,746 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:16:24,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:16:24" (3/4) ... [2024-10-14 23:16:24,748 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 23:16:24,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:16:24,750 INFO L158 Benchmark]: Toolchain (without parser) took 1810.62ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 51.7MB in the beginning and 90.9MB in the end (delta: -39.2MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-10-14 23:16:24,750 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 54.5MB. Free memory is still 31.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:16:24,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 876.02ms. Allocated memory is still 88.1MB. Free memory was 51.5MB in the beginning and 33.2MB in the end (delta: 18.3MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-10-14 23:16:24,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.99ms. Allocated memory is still 88.1MB. Free memory was 33.2MB in the beginning and 58.7MB in the end (delta: -25.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-10-14 23:16:24,751 INFO L158 Benchmark]: Boogie Preprocessor took 31.49ms. Allocated memory is still 88.1MB. Free memory was 58.7MB in the beginning and 56.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:16:24,752 INFO L158 Benchmark]: RCFGBuilder took 356.88ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 39.8MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 23:16:24,752 INFO L158 Benchmark]: TraceAbstraction took 472.37ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 38.9MB in the beginning and 90.9MB in the end (delta: -52.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:16:24,752 INFO L158 Benchmark]: Witness Printer took 3.26ms. Allocated memory is still 130.0MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:16:24,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 54.5MB. Free memory is still 31.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 876.02ms. Allocated memory is still 88.1MB. Free memory was 51.5MB in the beginning and 33.2MB in the end (delta: 18.3MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.99ms. Allocated memory is still 88.1MB. Free memory was 33.2MB in the beginning and 58.7MB in the end (delta: -25.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.49ms. Allocated memory is still 88.1MB. Free memory was 58.7MB in the beginning and 56.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 356.88ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 39.8MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 472.37ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 38.9MB in the beginning and 90.9MB in the end (delta: -52.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.26ms. Allocated memory is still 130.0MB. Free memory is still 90.9MB. 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); [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; [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, 18 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=18occurred 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, 11 NumberOfCodeBlocks, 11 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 [2024-10-14 23:16:24,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample