./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_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_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7c76588e5cd88974cfce8d45dc91aad95ff27e005e3639fe2eafbe0ddda49c5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:20:56,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:20:56,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 14:20:56,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:20:56,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:20:56,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:20:56,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:20:56,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:20:56,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:20:56,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:20:56,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:20:56,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:20:56,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:20:56,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:20:56,330 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:20:56,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:20:56,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:20:56,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:20:56,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:20:56,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:20:56,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:20:56,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:20:56,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:20:56,331 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:20:56,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:20:56,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:20:56,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:20:56,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:20:56,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:20:56,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:20:56,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:20:56,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:20:56,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:20:56,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:20:56,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:20:56,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:20:56,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:20:56,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:20:56,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:20:56,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:20:56,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:20:56,335 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c76588e5cd88974cfce8d45dc91aad95ff27e005e3639fe2eafbe0ddda49c5c [2024-11-13 14:20:56,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:20:56,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:20:56,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:20:56,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:20:56,681 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:20:56,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_41_bad.i Unable to find full path for "g++" [2024-11-13 14:20:58,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:20:58,952 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:20:58,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_41_bad.i [2024-11-13 14:20:58,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/data/06d31ce0c/26d4ca29b3684aeea84953dba0d4922e/FLAG302d9b849 [2024-11-13 14:20:58,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/data/06d31ce0c/26d4ca29b3684aeea84953dba0d4922e [2024-11-13 14:20:58,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:20:59,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:20:59,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:20:59,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:20:59,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:20:59,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:20:58" (1/1) ... [2024-11-13 14:20:59,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5182f35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:20:59, skipping insertion in model container [2024-11-13 14:20:59,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:20:58" (1/1) ... [2024-11-13 14:20:59,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:21:00,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:21:00,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:21:00,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:21:00,343 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:21:00,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00 WrapperNode [2024-11-13 14:21:00,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:21:00,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:21:00,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:21:00,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:21:00,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,422 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-13 14:21:00,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:21:00,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:21:00,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:21:00,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:21:00,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,458 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:21:00,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:21:00,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:21:00,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:21:00,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:21:00,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (1/1) ... [2024-11-13 14:21:00,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:21:00,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:21:00,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:21:00,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:21:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:21:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:21:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:21:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:21:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:21:00,703 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:21:00,705 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:21:00,793 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 14:21:00,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:21:00,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:21:00,803 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:21:00,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:00 BoogieIcfgContainer [2024-11-13 14:21:00,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:21:00,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:21:00,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:21:00,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:21:00,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:20:58" (1/3) ... [2024-11-13 14:21:00,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643a41c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:21:00, skipping insertion in model container [2024-11-13 14:21:00,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:00" (2/3) ... [2024-11-13 14:21:00,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643a41c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:21:00, skipping insertion in model container [2024-11-13 14:21:00,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:00" (3/3) ... [2024-11-13 14:21:00,815 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_41_bad.i [2024-11-13 14:21:00,832 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:21:00,834 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_41_bad.i that has 2 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:21:00,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:21:00,910 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c0acc71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:21:00,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:21:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:21:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 14:21:00,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:00,927 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:21:00,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:21:00,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-13 14:21:00,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:00,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451227572] [2024-11-13 14:21:00,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:00,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:21:01,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:21:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:21:01,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:21:01,127 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:21:01,129 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:21:01,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:21:01,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:21:01,136 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:21:01,154 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:21:01,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:21:01 BoogieIcfgContainer [2024-11-13 14:21:01,157 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:21:01,158 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:21:01,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:21:01,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:21:01,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:00" (3/4) ... [2024-11-13 14:21:01,161 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:21:01,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:21:01,163 INFO L158 Benchmark]: Toolchain (without parser) took 2162.13ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 93.8MB in the end (delta: 22.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-13 14:21:01,163 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:21:01,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.70ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.3MB in the end (delta: 60.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 14:21:01,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.69ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 52.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:21:01,164 INFO L158 Benchmark]: Boogie Preprocessor took 56.53ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 51.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:21:01,165 INFO L158 Benchmark]: RCFGBuilder took 323.61ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 108.8MB in the end (delta: -57.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 14:21:01,165 INFO L158 Benchmark]: TraceAbstraction took 350.96ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 94.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:21:01,165 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.8MB in the end (delta: 779.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:21:01,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.70ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.3MB in the end (delta: 60.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.69ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 52.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.53ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 51.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.61ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 108.8MB in the end (delta: -57.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 350.96ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 94.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.8MB in the end (delta: 779.1kB). 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: 1551]: 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_min_postdec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1551] data-- 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: 1551]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 9 NumberOfCodeBlocks, 9 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 [2024-11-13 14:21:01,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7c76588e5cd88974cfce8d45dc91aad95ff27e005e3639fe2eafbe0ddda49c5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:21:04,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:21:04,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 14:21:04,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:21:04,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:21:04,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 14:21:04,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:21:04,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:21:04,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:21:04,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:21:04,166 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:21:04,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:21:04,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:21:04,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:21:04,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:21:04,167 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:21:04,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:21:04,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:21:04,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:21:04,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:21:04,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:21:04,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:21:04,167 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:21:04,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:21:04,168 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:21:04,168 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:21:04,168 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:21:04,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:21:04,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:21:04,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:21:04,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:21:04,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:21:04,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:21:04,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:21:04,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:21:04,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:21:04,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:21:04,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:21:04,169 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:21:04,169 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:21:04,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:21:04,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:21:04,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:21:04,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:21:04,170 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c76588e5cd88974cfce8d45dc91aad95ff27e005e3639fe2eafbe0ddda49c5c [2024-11-13 14:21:04,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:21:04,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:21:04,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:21:04,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:21:04,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:21:04,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_41_bad.i Unable to find full path for "g++" [2024-11-13 14:21:06,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:21:07,001 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:21:07,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_41_bad.i [2024-11-13 14:21:07,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/data/683b834f8/e81bb214585445aa998e33e853ef3adb/FLAG289d1a55f [2024-11-13 14:21:07,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/data/683b834f8/e81bb214585445aa998e33e853ef3adb [2024-11-13 14:21:07,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:21:07,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:21:07,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:21:07,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:21:07,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:21:07,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:21:07" (1/1) ... [2024-11-13 14:21:07,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472429d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:07, skipping insertion in model container [2024-11-13 14:21:07,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:21:07" (1/1) ... [2024-11-13 14:21:07,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:21:08,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:21:08,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:21:08,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:21:08,575 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:21:08,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08 WrapperNode [2024-11-13 14:21:08,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:21:08,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:21:08,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:21:08,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:21:08,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,651 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-13 14:21:08,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:21:08,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:21:08,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:21:08,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:21:08,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,686 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:21:08,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:21:08,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:21:08,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:21:08,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:21:08,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (1/1) ... [2024-11-13 14:21:08,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:21:08,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:21:08,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:21:08,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:21:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:21:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:21:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:21:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:21:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:21:08,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:21:08,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:21:09,084 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 14:21:09,085 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:21:09,094 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:21:09,094 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:21:09,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:09 BoogieIcfgContainer [2024-11-13 14:21:09,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:21:09,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:21:09,097 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:21:09,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:21:09,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:21:07" (1/3) ... [2024-11-13 14:21:09,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cca3ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:21:09, skipping insertion in model container [2024-11-13 14:21:09,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:08" (2/3) ... [2024-11-13 14:21:09,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cca3ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:21:09, skipping insertion in model container [2024-11-13 14:21:09,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:09" (3/3) ... [2024-11-13 14:21:09,105 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_41_bad.i [2024-11-13 14:21:09,121 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:21:09,123 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_41_bad.i that has 2 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:21:09,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:21:09,200 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@592a81fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:21:09,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:21:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:21:09,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 14:21:09,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:09,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:21:09,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:21:09,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:09,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-13 14:21:09,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:21:09,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905049872] [2024-11-13 14:21:09,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:09,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:21:09,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:21:09,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:21:09,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:21:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:21:09,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:21:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:21:09,442 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:21:09,444 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:21:09,446 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:21:09,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:21:09,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:21:09,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:21:09,655 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:21:09,673 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:21:09,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:21:09 BoogieIcfgContainer [2024-11-13 14:21:09,681 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:21:09,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:21:09,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:21:09,682 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:21:09,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:09" (3/4) ... [2024-11-13 14:21:09,687 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:21:09,688 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:21:09,690 INFO L158 Benchmark]: Toolchain (without parser) took 2636.29ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 44.7MB in the end (delta: 12.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-13 14:21:09,690 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:21:09,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1520.44ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 52.1MB in the end (delta: 5.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-11-13 14:21:09,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.52ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:21:09,691 INFO L158 Benchmark]: Boogie Preprocessor took 68.16ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:21:09,693 INFO L158 Benchmark]: RCFGBuilder took 373.21ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 35.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:21:09,694 INFO L158 Benchmark]: TraceAbstraction took 583.85ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 44.7MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:21:09,694 INFO L158 Benchmark]: Witness Printer took 6.93ms. Allocated memory is still 83.9MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:21:09,698 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 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1520.44ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 52.1MB in the end (delta: 5.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.52ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.16ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 373.21ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 35.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 583.85ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 44.7MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.93ms. Allocated memory is still 83.9MB. Free memory is still 44.7MB. 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: 1551]: 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_min_postdec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1551] data-- 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: 1551]: 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, 20 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=20occurred 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, 9 NumberOfCodeBlocks, 9 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 [2024-11-13 14:21:09,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c66cc68-ae87-420c-87c2-df030a5015fc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample