./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3462e1e8115f8b8fd3456ced94d11f2fd4fb7b37fb8da360d1e30b1bcb285ed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:55:54,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:55:54,815 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 04:55:54,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:55:54,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:55:54,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:55:54,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:55:54,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:55:54,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:55:54,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:55:54,873 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:55:54,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:55:54,874 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:55:54,874 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:55:54,874 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:55:54,874 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:55:54,874 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:55:54,874 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:55:54,874 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:55:54,875 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:55:54,876 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:55:54,876 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:55:54,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:55:54,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:55:54,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:55:54,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:55:54,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:55:54,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:55:54,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:55:54,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:55:54,878 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:55:54,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:55:54,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:55:54,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:55:54,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:55:54,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:55:54,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:55:54,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:55:54,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:55:54,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:55:54,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:55:54,880 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:55:54,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:55:54,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:55:54,881 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:55:54,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:55:54,881 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> a3462e1e8115f8b8fd3456ced94d11f2fd4fb7b37fb8da360d1e30b1bcb285ed [2024-11-14 04:55:55,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:55:55,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:55:55,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:55:55,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:55:55,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:55:55,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_bad.i Unable to find full path for "g++" [2024-11-14 04:55:57,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:55:58,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:55:58,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_bad.i [2024-11-14 04:55:58,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/data/c6b26bd55/002efe41877b4033a940c6aedf5d4bb9/FLAGd3f7a33da [2024-11-14 04:55:58,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/data/c6b26bd55/002efe41877b4033a940c6aedf5d4bb9 [2024-11-14 04:55:58,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:55:58,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:55:58,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:55:58,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:55:58,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:55:58,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:55:58" (1/1) ... [2024-11-14 04:55:58,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429c7c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:58, skipping insertion in model container [2024-11-14 04:55:58,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:55:58" (1/1) ... [2024-11-14 04:55:58,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:55:59,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:55:59,617 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:55:59,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:55:59,872 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:55:59,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59 WrapperNode [2024-11-14 04:55:59,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:55:59,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:55:59,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:55:59,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:55:59,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,945 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-11-14 04:55:59,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:55:59,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:55:59,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:55:59,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:55:59,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:55:59,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:55:59,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:55:59,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:55:59,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:55:59,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (1/1) ... [2024-11-14 04:56:00,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:00,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:00,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:00,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:56:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:56:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:00,248 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:00,250 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:56:00,464 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-14 04:56:00,464 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:56:00,733 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:56:00,733 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:56:00,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:00 BoogieIcfgContainer [2024-11-14 04:56:00,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:56:00,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:56:00,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:56:00,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:56:00,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:55:58" (1/3) ... [2024-11-14 04:56:00,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3a8e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:00, skipping insertion in model container [2024-11-14 04:56:00,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:55:59" (2/3) ... [2024-11-14 04:56:00,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3a8e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:00, skipping insertion in model container [2024-11-14 04:56:00,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:00" (3/3) ... [2024-11-14 04:56:00,745 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_41_bad.i [2024-11-14 04:56:00,761 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:56:00,763 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_41_bad.i that has 2 procedures, 14 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:56:00,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:56:00,833 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=FINITE_AUTOMATA, 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;@71c41a9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:56:00,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:56:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:56:00,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 04:56:00,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:00,846 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:00,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:56:00,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:00,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1539373047, now seen corresponding path program 1 times [2024-11-14 04:56:00,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:56:00,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661257181] [2024-11-14 04:56:00,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:00,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:56:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:56:01,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:56:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:56:01,386 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:56:01,388 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:56:01,390 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:56:01,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:56:01,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:56:01,399 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:56:01,426 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:56:01,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:56:01 BoogieIcfgContainer [2024-11-14 04:56:01,431 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:56:01,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:56:01,433 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:56:01,433 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:56:01,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:00" (3/4) ... [2024-11-14 04:56:01,436 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:56:01,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:56:01,440 INFO L158 Benchmark]: Toolchain (without parser) took 2805.33ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 65.2MB in the end (delta: 24.8MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-14 04:56:01,441 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:01,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1240.41ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 80.3MB in the end (delta: 9.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-14 04:56:01,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.12ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:01,442 INFO L158 Benchmark]: Boogie Preprocessor took 35.59ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:01,443 INFO L158 Benchmark]: RCFGBuilder took 750.35ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 39.8MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:56:01,443 INFO L158 Benchmark]: TraceAbstraction took 695.93ms. Allocated memory is still 117.4MB. Free memory was 39.3MB in the beginning and 66.0MB in the end (delta: -26.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:01,443 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:01,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1240.41ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 80.3MB in the end (delta: 9.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.12ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.59ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 750.35ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 39.8MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 695.93ms. Allocated memory is still 117.4MB. Free memory was 39.3MB in the beginning and 66.0MB in the end (delta: -26.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 13.7kB). 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: 1552]: 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 1566, overapproximation of bitwiseOr at line 1560. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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 [2024-11-14 04:56:01,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3462e1e8115f8b8fd3456ced94d11f2fd4fb7b37fb8da360d1e30b1bcb285ed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:04,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:04,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 04:56:04,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:04,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:04,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:04,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:04,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:04,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:04,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:04,553 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:04,554 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:04,554 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:04,554 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:04,554 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:04,554 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:04,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:04,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:04,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:04,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:04,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:04,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:04,556 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:56:04,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:56:04,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:04,556 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:56:04,557 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:56:04,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:56:04,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:04,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:04,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:04,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:56:04,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:04,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:04,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:04,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:04,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:04,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:56:04,559 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:56:04,559 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:56:04,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:04,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:04,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> a3462e1e8115f8b8fd3456ced94d11f2fd4fb7b37fb8da360d1e30b1bcb285ed [2024-11-14 04:56:04,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:04,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:04,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:04,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:04,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:04,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_bad.i Unable to find full path for "g++" [2024-11-14 04:56:06,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:07,417 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:07,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_bad.i [2024-11-14 04:56:07,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/data/589c74244/3db16025f2524082b76e90c1c0ae2778/FLAG45afdc71f [2024-11-14 04:56:07,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/data/589c74244/3db16025f2524082b76e90c1c0ae2778 [2024-11-14 04:56:07,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:07,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:07,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:07,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:07,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:07,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:07" (1/1) ... [2024-11-14 04:56:07,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5325b40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:07, skipping insertion in model container [2024-11-14 04:56:07,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:07" (1/1) ... [2024-11-14 04:56:07,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:08,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:08,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:56:09,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:09,209 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:56:09,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09 WrapperNode [2024-11-14 04:56:09,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:09,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:09,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:56:09,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:56:09,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,268 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-14 04:56:09,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:09,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:56:09,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:56:09,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:56:09,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:56:09,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:56:09,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:56:09,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:56:09,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (1/1) ... [2024-11-14 04:56:09,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:09,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:09,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:09,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:56:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:56:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:09,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:09,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:56:09,762 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-14 04:56:09,762 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:56:09,776 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:56:09,778 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:56:09,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:09 BoogieIcfgContainer [2024-11-14 04:56:09,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:56:09,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:56:09,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:56:09,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:56:09,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:56:07" (1/3) ... [2024-11-14 04:56:09,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ff5afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:09, skipping insertion in model container [2024-11-14 04:56:09,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:09" (2/3) ... [2024-11-14 04:56:09,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ff5afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:09, skipping insertion in model container [2024-11-14 04:56:09,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:09" (3/3) ... [2024-11-14 04:56:09,790 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_41_bad.i [2024-11-14 04:56:09,807 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:56:09,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_41_bad.i that has 2 procedures, 23 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:56:09,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:56:09,888 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=FINITE_AUTOMATA, 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;@7cb8fd59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:56:09,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:56:09,893 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) [2024-11-14 04:56:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 04:56:09,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:09,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:09,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:56:09,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:09,910 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2024-11-14 04:56:09,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:09,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156442793] [2024-11-14 04:56:09,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:09,924 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 [2024-11-14 04:56:09,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:09,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:56:09,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:56:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:56:10,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:56:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:56:10,163 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 04:56:10,166 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:56:10,167 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:56:10,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:56:10,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:56:10,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:56:10,375 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:56:10,401 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:56:10,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:56:10 BoogieIcfgContainer [2024-11-14 04:56:10,405 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:56:10,405 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:56:10,405 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:56:10,406 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:56:10,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:09" (3/4) ... [2024-11-14 04:56:10,439 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:56:10,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:56:10,446 INFO L158 Benchmark]: Toolchain (without parser) took 2949.24ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 86.4MB in the end (delta: 5.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-14 04:56:10,446 INFO L158 Benchmark]: CDTParser took 2.79ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:10,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1714.13ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.2MB in the end (delta: 11.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-14 04:56:10,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:10,448 INFO L158 Benchmark]: Boogie Preprocessor took 35.27ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:10,448 INFO L158 Benchmark]: RCFGBuilder took 473.02ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 63.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:56:10,449 INFO L158 Benchmark]: TraceAbstraction took 623.77ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 48.0MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:56:10,449 INFO L158 Benchmark]: Witness Printer took 36.39ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 86.4MB in the end (delta: -38.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-14 04:56:10,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.79ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1714.13ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.2MB in the end (delta: 11.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.27ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 473.02ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 63.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 623.77ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 48.0MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 36.39ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 86.4MB in the end (delta: -38.4MB). Peak memory consumption was 16.4MB. 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: 1552]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] 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] [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] 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: 1552]: 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, 12 NumberOfCodeBlocks, 12 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 [2024-11-14 04:56:10,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f3321-553b-4bf5-940b-fe9518961a1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample