./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_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_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/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_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/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_833cd368-2769-4a7f-b376-364b1b9d1f3d/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 6279e829eceda1cfd0c824b838ebe046beea4639a0152f901c8eaf0dbfc40289 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:33:32,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:33:32,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 15:33:32,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:33:32,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:33:32,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:33:32,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:33:32,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:33:32,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:33:32,757 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:33:32,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:33:32,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:33:32,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:33:32,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:33:32,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:33:32,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:33:32,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:33:32,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:33:32,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:33:32,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:32,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:33:32,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:33:32,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:33:32,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:33:32,761 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_833cd368-2769-4a7f-b376-364b1b9d1f3d/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 -> 6279e829eceda1cfd0c824b838ebe046beea4639a0152f901c8eaf0dbfc40289 [2024-11-13 15:33:33,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:33:33,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:33:33,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:33:33,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:33:33,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:33:33,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i Unable to find full path for "g++" [2024-11-13 15:33:34,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:33:35,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:33:35,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i [2024-11-13 15:33:35,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/data/aef97ed7f/e14ea55204e9467791b1f2f58c56533e/FLAGda2eaa1df [2024-11-13 15:33:35,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/data/aef97ed7f/e14ea55204e9467791b1f2f58c56533e [2024-11-13 15:33:35,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:33:35,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:33:35,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:35,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:33:35,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:33:35,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:35" (1/1) ... [2024-11-13 15:33:35,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783fc33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:35, skipping insertion in model container [2024-11-13 15:33:35,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:35" (1/1) ... [2024-11-13 15:33:35,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:33:36,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:36,544 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:33:36,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:36,822 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:33:36,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36 WrapperNode [2024-11-13 15:33:36,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:36,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:36,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:33:36,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:33:36,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,873 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 15:33:36,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:36,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:33:36,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:33:36,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:33:36,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,903 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-13 15:33:36,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:33:36,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:33:36,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:33:36,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:33:36,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (1/1) ... [2024-11-13 15:33:36,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:33:36,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:33:36,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:33:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:33:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:33:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:33:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:33:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:33:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:33:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:33:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:33:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:33:37,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:33:37,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:33:37,306 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 15:33:37,306 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:33:37,322 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:33:37,323 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:33:37,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:37 BoogieIcfgContainer [2024-11-13 15:33:37,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:33:37,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:33:37,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:33:37,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:33:37,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:33:35" (1/3) ... [2024-11-13 15:33:37,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ee714f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:33:37, skipping insertion in model container [2024-11-13 15:33:37,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:36" (2/3) ... [2024-11-13 15:33:37,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ee714f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:33:37, skipping insertion in model container [2024-11-13 15:33:37,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:37" (3/3) ... [2024-11-13 15:33:37,336 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_32_bad.i [2024-11-13 15:33:37,352 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:33:37,355 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_32_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:33:37,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:33:37,439 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;@407beb6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:33:37,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:33:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 15:33:37,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:33:37,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:37,453 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:33:37,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:33:37,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:37,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-13 15:33:37,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:37,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814407262] [2024-11-13 15:33:37,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:37,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:37,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:37,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:33:37,658 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:33:37,660 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:33:37,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:33:37,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:33:37,666 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:33:37,687 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:33:37,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:33:37 BoogieIcfgContainer [2024-11-13 15:33:37,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:33:37,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:33:37,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:33:37,693 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:33:37,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:37" (3/4) ... [2024-11-13 15:33:37,697 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:33:37,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:33:37,702 INFO L158 Benchmark]: Toolchain (without parser) took 2264.54ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 74.2MB in the end (delta: 41.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 15:33:37,702 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:37,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1388.99ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 107.5MB in the end (delta: 8.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 15:33:37,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.28ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:33:37,703 INFO L158 Benchmark]: Boogie Preprocessor took 41.01ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:37,703 INFO L158 Benchmark]: RCFGBuilder took 408.23ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 91.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:33:37,703 INFO L158 Benchmark]: TraceAbstraction took 365.04ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 74.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:33:37,704 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 142.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:37,708 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 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1388.99ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 107.5MB in the end (delta: 8.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.28ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.01ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.23ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 91.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 365.04ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 74.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 142.6MB. Free memory is still 74.2MB. 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: 1563]: 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); VAL [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 [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 [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_min_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1563]: 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, 21 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=21occurred 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, 10 NumberOfCodeBlocks, 10 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 15:33:37,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/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_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/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_833cd368-2769-4a7f-b376-364b1b9d1f3d/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 6279e829eceda1cfd0c824b838ebe046beea4639a0152f901c8eaf0dbfc40289 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:33:40,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:33:40,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 15:33:40,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:33:40,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:33:40,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 15:33:40,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:33:40,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:33:40,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:33:40,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:33:40,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:33:40,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:33:40,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:33:40,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:33:40,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:33:40,469 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:33:40,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:33:40,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:33:40,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:33:40,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:33:40,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:33:40,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:33:40,470 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:33:40,470 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:33:40,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:33:40,471 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:33:40,471 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:33:40,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:33:40,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:33:40,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:33:40,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:33:40,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:33:40,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:33:40,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:33:40,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:40,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:33:40,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:33:40,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:33:40,472 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:33:40,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:33:40,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:33:40,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:33:40,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:33:40,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:33:40,474 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_833cd368-2769-4a7f-b376-364b1b9d1f3d/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 -> 6279e829eceda1cfd0c824b838ebe046beea4639a0152f901c8eaf0dbfc40289 [2024-11-13 15:33:40,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:33:40,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:33:40,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:33:40,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:33:40,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:33:40,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i Unable to find full path for "g++" [2024-11-13 15:33:42,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:33:43,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:33:43,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_bad.i [2024-11-13 15:33:43,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/data/6d6d21052/09ecb29645904e4ebf551b0c52a1906d/FLAGf11131872 [2024-11-13 15:33:43,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/data/6d6d21052/09ecb29645904e4ebf551b0c52a1906d [2024-11-13 15:33:43,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:33:43,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:33:43,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:43,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:33:43,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:33:43,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:43" (1/1) ... [2024-11-13 15:33:43,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6600770b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:43, skipping insertion in model container [2024-11-13 15:33:43,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:43" (1/1) ... [2024-11-13 15:33:43,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:33:44,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:44,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:33:44,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:44,556 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:33:44,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44 WrapperNode [2024-11-13 15:33:44,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:44,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:44,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:33:44,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:33:44,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,621 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 15:33:44,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:44,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:33:44,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:33:44,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:33:44,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,639 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,671 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-13 15:33:44,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:33:44,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:33:44,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:33:44,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:33:44,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (1/1) ... [2024-11-13 15:33:44,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:44,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:33:44,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:33:44,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:33:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:33:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:33:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:33:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:33:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:33:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:33:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 15:33:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:33:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 15:33:44,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:33:44,969 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:33:45,179 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 15:33:45,179 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:33:45,192 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:33:45,193 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:33:45,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:45 BoogieIcfgContainer [2024-11-13 15:33:45,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:33:45,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:33:45,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:33:45,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:33:45,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:33:43" (1/3) ... [2024-11-13 15:33:45,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4177273b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:33:45, skipping insertion in model container [2024-11-13 15:33:45,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:44" (2/3) ... [2024-11-13 15:33:45,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4177273b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:33:45, skipping insertion in model container [2024-11-13 15:33:45,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:45" (3/3) ... [2024-11-13 15:33:45,205 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_32_bad.i [2024-11-13 15:33:45,221 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:33:45,223 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_32_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:33:45,271 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:33:45,282 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;@18330b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:33:45,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:33:45,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 15:33:45,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:33:45,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:45,298 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:33:45,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:33:45,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:45,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-13 15:33:45,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:33:45,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1667375571] [2024-11-13 15:33:45,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:45,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:33:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:33:45,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:33:45,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:33:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:45,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:45,623 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:33:45,625 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:33:45,626 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:33:45,628 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:33:45,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:33:45,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:33:45,834 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:33:45,873 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:33:45,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:33:45 BoogieIcfgContainer [2024-11-13 15:33:45,879 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:33:45,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:33:45,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:33:45,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:33:45,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:45" (3/4) ... [2024-11-13 15:33:45,886 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:33:45,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:33:45,888 INFO L158 Benchmark]: Toolchain (without parser) took 2674.60ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 82.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-13 15:33:45,889 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:45,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1342.13ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.6MB in the end (delta: 21.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 15:33:45,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.47ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:45,890 INFO L158 Benchmark]: Boogie Preprocessor took 82.89ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:45,890 INFO L158 Benchmark]: RCFGBuilder took 486.82ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 49.1MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:33:45,890 INFO L158 Benchmark]: TraceAbstraction took 681.80ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 82.3MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:45,891 INFO L158 Benchmark]: Witness Printer took 7.54ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:45,896 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1342.13ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.6MB in the end (delta: 21.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.47ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 82.89ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.82ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 49.1MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 681.80ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 82.3MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.54ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 35.5kB). 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: 1563]: 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); VAL [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 [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 [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_min_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1563]: 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, 21 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=21occurred 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, 10 NumberOfCodeBlocks, 10 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 15:33:45,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833cd368-2769-4a7f-b376-364b1b9d1f3d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample