./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_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_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:40:41,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:40:41,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 05:40:41,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:40:41,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:40:41,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:40:41,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:40:41,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:40:41,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:40:41,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:40:41,403 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:40:41,403 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:40:41,403 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:40:41,403 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:40:41,404 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:40:41,404 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:40:41,404 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:40:41,404 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:40:41,404 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:40:41,404 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:40:41,405 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:40:41,405 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:40:41,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:40:41,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:40:41,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:40:41,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:40:41,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:40:41,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:40:41,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:40:41,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:40:41,406 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:40:41,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:40:41,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:40:41,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:40:41,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:40:41,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:40:41,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:40:41,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:40:41,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:40:41,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:40:41,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:40:41,408 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:40:41,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:40:41,408 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:40:41,408 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:40:41,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:40:41,409 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_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 -> e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b [2024-11-14 05:40:41,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:40:41,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:40:41,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:40:41,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:40:41,791 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:40:41,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i Unable to find full path for "g++" [2024-11-14 05:40:43,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:40:44,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:40:44,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-14 05:40:44,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/data/00aec999b/fa894cf87fb448f0b6c7ed9ed678415f/FLAG2dc749373 [2024-11-14 05:40:44,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/data/00aec999b/fa894cf87fb448f0b6c7ed9ed678415f [2024-11-14 05:40:44,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:40:44,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:40:44,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:40:44,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:40:44,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:40:44,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:40:44" (1/1) ... [2024-11-14 05:40:44,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63972c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:44, skipping insertion in model container [2024-11-14 05:40:44,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:40:44" (1/1) ... [2024-11-14 05:40:44,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:40:45,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:40:45,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:40:45,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:40:45,904 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:40:45,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45 WrapperNode [2024-11-14 05:40:45,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:40:45,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:40:45,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:40:45,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:40:45,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:45,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:45,989 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-11-14 05:40:45,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:40:45,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:40:45,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:40:45,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:40:46,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:40:46,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:40:46,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:40:46,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:40:46,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (1/1) ... [2024-11-14 05:40:46,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:40:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:46,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:40:46,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:40:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:40:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:40:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:40:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:40:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:40:46,384 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:40:46,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:40:46,700 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-14 05:40:46,703 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:40:47,039 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:40:47,039 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:40:47,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:40:47 BoogieIcfgContainer [2024-11-14 05:40:47,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:40:47,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:40:47,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:40:47,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:40:47,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:40:44" (1/3) ... [2024-11-14 05:40:47,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521ab7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:40:47, skipping insertion in model container [2024-11-14 05:40:47,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:45" (2/3) ... [2024-11-14 05:40:47,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521ab7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:40:47, skipping insertion in model container [2024-11-14 05:40:47,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:40:47" (3/3) ... [2024-11-14 05:40:47,052 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-14 05:40:47,069 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:40:47,071 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_45_bad.i that has 2 procedures, 14 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:40:47,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:40:47,154 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;@71bb68cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:40:47,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:40:47,159 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 05:40:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 05:40:47,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:47,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:47,170 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:40:47,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:47,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1539373047, now seen corresponding path program 1 times [2024-11-14 05:40:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:47,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238352726] [2024-11-14 05:40:47,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:47,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:40:47,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:40:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:40:47,728 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:40:47,730 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:40:47,732 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:40:47,734 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:40:47,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:40:47,743 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:40:47,773 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:40:47,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:40:47 BoogieIcfgContainer [2024-11-14 05:40:47,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:40:47,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:40:47,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:40:47,780 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:40:47,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:40:47" (3/4) ... [2024-11-14 05:40:47,785 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:40:47,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:40:47,788 INFO L158 Benchmark]: Toolchain (without parser) took 3365.89ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 107.8MB in the end (delta: 6.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-14 05:40:47,788 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:47,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1482.82ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 53.1MB in the end (delta: 60.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-14 05:40:47,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.63ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 50.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:47,789 INFO L158 Benchmark]: Boogie Preprocessor took 42.12ms. Allocated memory is still 142.6MB. Free memory was 50.4MB in the beginning and 49.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:47,790 INFO L158 Benchmark]: RCFGBuilder took 1005.55ms. Allocated memory is still 142.6MB. Free memory was 49.1MB in the beginning and 82.3MB in the end (delta: -33.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-14 05:40:47,794 INFO L158 Benchmark]: TraceAbstraction took 736.91ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 107.8MB in the end (delta: -26.2MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-14 05:40:47,795 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:47,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1482.82ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 53.1MB in the end (delta: 60.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.63ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 50.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.12ms. Allocated memory is still 142.6MB. Free memory was 50.4MB in the beginning and 49.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1005.55ms. Allocated memory is still 142.6MB. Free memory was 49.1MB in the beginning and 82.3MB in the end (delta: -33.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * TraceAbstraction took 736.91ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 107.8MB in the end (delta: -26.2MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.8MB 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: 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 1571, overapproximation of bitwiseOr at line 1564. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073774594, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774594, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073774594, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774594, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073774594, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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, 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 05:40:47,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:40:50,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:40:50,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 05:40:50,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:40:50,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:40:51,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:40:51,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:40:51,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:40:51,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:40:51,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:40:51,027 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:40:51,027 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:40:51,027 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:40:51,028 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:40:51,028 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:40:51,028 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:40:51,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:40:51,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:40:51,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:40:51,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:40:51,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:40:51,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:40:51,029 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:40:51,029 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:40:51,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:40:51,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:40:51,030 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:40:51,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:40:51,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:40:51,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:40:51,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:40:51,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:40:51,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:40:51,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:40:51,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:40:51,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:40:51,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:40:51,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:40:51,034 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:40:51,034 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:40:51,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:40:51,034 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:40:51,035 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_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 -> e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b [2024-11-14 05:40:51,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:40:51,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:40:51,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:40:51,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:40:51,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:40:51,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i Unable to find full path for "g++" [2024-11-14 05:40:53,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:40:53,934 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:40:53,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-14 05:40:53,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/data/4bc4fa9ef/6e27fee9289c4c82abbd5362109c5d9b/FLAG02471510f [2024-11-14 05:40:53,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/data/4bc4fa9ef/6e27fee9289c4c82abbd5362109c5d9b [2024-11-14 05:40:53,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:40:53,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:40:53,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:40:53,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:40:53,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:40:53,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:40:53" (1/1) ... [2024-11-14 05:40:53,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410e4e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:53, skipping insertion in model container [2024-11-14 05:40:53,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:40:53" (1/1) ... [2024-11-14 05:40:54,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:40:55,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:40:55,276 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:40:55,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:40:55,595 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:40:55,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55 WrapperNode [2024-11-14 05:40:55,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:40:55,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:40:55,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:40:55,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:40:55,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,679 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-14 05:40:55,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:40:55,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:40:55,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:40:55,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:40:55,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:40:55,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:40:55,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:40:55,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:40:55,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (1/1) ... [2024-11-14 05:40:55,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:40:55,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:55,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:40:55,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:40:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:40:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:40:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:40:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:40:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:40:55,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:40:55,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:40:56,140 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-14 05:40:56,140 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:40:56,150 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:40:56,151 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:40:56,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:40:56 BoogieIcfgContainer [2024-11-14 05:40:56,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:40:56,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:40:56,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:40:56,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:40:56,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:40:53" (1/3) ... [2024-11-14 05:40:56,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6119bce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:40:56, skipping insertion in model container [2024-11-14 05:40:56,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:40:55" (2/3) ... [2024-11-14 05:40:56,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6119bce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:40:56, skipping insertion in model container [2024-11-14 05:40:56,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:40:56" (3/3) ... [2024-11-14 05:40:56,164 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-14 05:40:56,181 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:40:56,183 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_45_bad.i that has 2 procedures, 23 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:40:56,245 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:40:56,260 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;@37a96971, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:40:56,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:40:56,264 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 05:40:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 05:40:56,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:56,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:56,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:40:56,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:56,293 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2024-11-14 05:40:56,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:40:56,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472274150] [2024-11-14 05:40:56,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:56,310 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 05:40:56,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:40:56,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 05:40:56,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 05:40:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:40:56,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:40:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:40:56,653 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 05:40:56,655 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:40:56,659 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:40:56,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:40:56,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 05:40:56,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 05:40:56,866 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:40:56,893 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:40:56,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:40:56 BoogieIcfgContainer [2024-11-14 05:40:56,898 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:40:56,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:40:56,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:40:56,902 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:40:56,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:40:56" (3/4) ... [2024-11-14 05:40:56,907 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:40:56,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:40:56,910 INFO L158 Benchmark]: Toolchain (without parser) took 2921.99ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.8MB in the beginning and 59.7MB in the end (delta: -2.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-14 05:40:56,910 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:56,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1606.98ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.6MB in the beginning and 62.6MB in the end (delta: -5.0MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-14 05:40:56,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.23ms. Allocated memory is still 100.7MB. Free memory was 62.6MB in the beginning and 59.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:56,914 INFO L158 Benchmark]: Boogie Preprocessor took 39.56ms. Allocated memory is still 100.7MB. Free memory was 59.3MB in the beginning and 57.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:56,918 INFO L158 Benchmark]: RCFGBuilder took 429.73ms. Allocated memory is still 100.7MB. Free memory was 57.9MB in the beginning and 44.7MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:40:56,919 INFO L158 Benchmark]: TraceAbstraction took 743.68ms. Allocated memory is still 100.7MB. Free memory was 44.4MB in the beginning and 60.3MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:56,919 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 100.7MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:56,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1606.98ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.6MB in the beginning and 62.6MB in the end (delta: -5.0MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.23ms. Allocated memory is still 100.7MB. Free memory was 62.6MB in the beginning and 59.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.56ms. Allocated memory is still 100.7MB. Free memory was 59.3MB in the beginning and 57.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.73ms. Allocated memory is still 100.7MB. Free memory was 57.9MB in the beginning and 44.7MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 743.68ms. Allocated memory is still 100.7MB. Free memory was 44.4MB in the beginning and 60.3MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 100.7MB. Free memory is still 59.7MB. 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 1571. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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 [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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=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, 0.1s 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 05:40:56,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d40b8-0710-4ea7-b3a3-9748b6520b73/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample