./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_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_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/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_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/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_de21fbb7-5e04-44bc-8b0e-6072892c1974/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 bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:46:04,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:46:04,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:46:04,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:46:04,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:46:05,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:46:05,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:46:05,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:46:05,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:46:05,006 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:46:05,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:46:05,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:46:05,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:46:05,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:46:05,007 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:46:05,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:46:05,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:46:05,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:46:05,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:46:05,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:46:05,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:46:05,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:46:05,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:05,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:46:05,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:46:05,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:46:05,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:46:05,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:46:05,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:46:05,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:46:05,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:46:05,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:46:05,013 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_de21fbb7-5e04-44bc-8b0e-6072892c1974/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 -> bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d [2024-11-13 13:46:05,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:46:05,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:46:05,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:46:05,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:46:05,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:46:05,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i Unable to find full path for "g++" [2024-11-13 13:46:07,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:46:07,854 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:46:07,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2024-11-13 13:46:07,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/data/a19c0e411/fe857b8ebe7a48e09c50d5f912a278a8/FLAGc7858a0a1 [2024-11-13 13:46:07,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/data/a19c0e411/fe857b8ebe7a48e09c50d5f912a278a8 [2024-11-13 13:46:07,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:46:07,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:46:07,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:07,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:46:07,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:46:07,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:07" (1/1) ... [2024-11-13 13:46:07,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261d7c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:07, skipping insertion in model container [2024-11-13 13:46:07,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:07" (1/1) ... [2024-11-13 13:46:07,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:46:09,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:46:09,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:46:09,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:46:09,309 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:46:09,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09 WrapperNode [2024-11-13 13:46:09,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:09,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:46:09,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:46:09,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:46:09,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,355 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-13 13:46:09,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:46:09,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:46:09,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:46:09,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:46:09,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,368 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,377 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:46:09,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:46:09,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:46:09,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:46:09,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:46:09,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (1/1) ... [2024-11-13 13:46:09,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:09,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:09,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:46:09,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:46:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:46:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:46:09,570 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:46:09,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:46:09,693 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 13:46:09,693 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:46:09,706 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:46:09,706 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:46:09,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:09 BoogieIcfgContainer [2024-11-13 13:46:09,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:46:09,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:46:09,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:46:09,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:46:09,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:46:07" (1/3) ... [2024-11-13 13:46:09,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@899e327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:09, skipping insertion in model container [2024-11-13 13:46:09,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:09" (2/3) ... [2024-11-13 13:46:09,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@899e327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:09, skipping insertion in model container [2024-11-13 13:46:09,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:09" (3/3) ... [2024-11-13 13:46:09,718 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2024-11-13 13:46:09,735 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:46:09,737 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_52_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:46:09,806 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:46:09,816 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;@4e0bdaca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:46:09,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:46:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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 13:46:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:46:09,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:09,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:09,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:46:09,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:09,831 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-13 13:46:09,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:09,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500419087] [2024-11-13 13:46:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:09,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:46:09,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:46:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:46:10,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:46:10,013 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:46:10,014 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:46:10,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:46:10,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:46:10,020 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:46:10,039 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:46:10,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:46:10 BoogieIcfgContainer [2024-11-13 13:46:10,042 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:46:10,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:46:10,043 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:46:10,043 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:46:10,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:09" (3/4) ... [2024-11-13 13:46:10,046 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:46:10,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:46:10,048 INFO L158 Benchmark]: Toolchain (without parser) took 2143.02ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 76.9MB in the end (delta: 39.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 13:46:10,049 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:10,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1404.59ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 107.2MB in the end (delta: 8.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-13 13:46:10,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.15ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 104.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:46:10,050 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:10,050 INFO L158 Benchmark]: RCFGBuilder took 318.91ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 91.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:46:10,050 INFO L158 Benchmark]: TraceAbstraction took 331.83ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 76.9MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:46:10,051 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 142.6MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:10,053 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1404.59ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 107.2MB in the end (delta: 8.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.15ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 104.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.91ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 91.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 331.83ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 76.9MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 142.6MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_52c_badSink(data) [L1572] 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: 1572]: 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 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 13:46:10,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/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_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/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_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/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_de21fbb7-5e04-44bc-8b0e-6072892c1974/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 bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:46:12,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:46:12,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 13:46:12,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:46:12,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:46:12,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 13:46:12,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:46:12,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:46:12,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:46:12,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:46:12,923 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:46:12,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:46:12,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:46:12,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:46:12,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:46:12,924 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:46:12,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:46:12,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:46:12,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:46:12,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:46:12,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:46:12,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:46:12,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:46:12,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:46:12,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:46:12,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:46:12,926 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:46:12,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:46:12,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:46:12,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:46:12,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:46:12,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:46:12,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:46:12,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:46:12,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:12,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:46:12,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:46:12,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:46:12,928 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:46:12,928 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:46:12,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:46:12,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:46:12,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:46:12,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:46:12,928 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_de21fbb7-5e04-44bc-8b0e-6072892c1974/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 -> bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d [2024-11-13 13:46:13,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:46:13,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:46:13,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:46:13,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:46:13,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:46:13,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i Unable to find full path for "g++" [2024-11-13 13:46:15,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:46:15,792 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:46:15,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2024-11-13 13:46:15,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/data/243ae2d53/138ddedfdb8e47d185fde92a45adf239/FLAG28d7d46fb [2024-11-13 13:46:15,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/data/243ae2d53/138ddedfdb8e47d185fde92a45adf239 [2024-11-13 13:46:15,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:46:15,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:46:15,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:15,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:46:15,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:46:15,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:15" (1/1) ... [2024-11-13 13:46:15,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198b7926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:15, skipping insertion in model container [2024-11-13 13:46:15,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:15" (1/1) ... [2024-11-13 13:46:15,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:46:16,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:46:16,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:46:17,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:46:17,203 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:46:17,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17 WrapperNode [2024-11-13 13:46:17,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:17,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:46:17,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:46:17,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:46:17,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,250 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-13 13:46:17,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:46:17,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:46:17,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:46:17,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:46:17,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,288 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:46:17,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:46:17,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:46:17,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:46:17,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:46:17,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (1/1) ... [2024-11-13 13:46:17,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:17,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:17,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:46:17,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:46:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:46:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:46:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:46:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:46:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:46:17,622 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:46:17,624 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:46:17,760 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 13:46:17,760 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:46:17,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:46:17,776 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:46:17,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:17 BoogieIcfgContainer [2024-11-13 13:46:17,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:46:17,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:46:17,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:46:17,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:46:17,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:46:15" (1/3) ... [2024-11-13 13:46:17,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efb9b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:17, skipping insertion in model container [2024-11-13 13:46:17,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:17" (2/3) ... [2024-11-13 13:46:17,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efb9b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:17, skipping insertion in model container [2024-11-13 13:46:17,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:17" (3/3) ... [2024-11-13 13:46:17,788 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2024-11-13 13:46:17,804 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:46:17,805 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_52_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:46:17,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:46:17,870 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;@7c7f0300, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:46:17,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:46:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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 13:46:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:46:17,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:17,880 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:17,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:46:17,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:17,885 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-13 13:46:17,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:46:17,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217116269] [2024-11-13 13:46:17,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:17,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:17,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:17,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:46:17,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:46:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:46:18,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:46:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:46:18,117 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:46:18,119 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:46:18,120 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:46:18,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:46:18,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:46:18,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:18,328 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:46:18,350 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:46:18,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:46:18 BoogieIcfgContainer [2024-11-13 13:46:18,354 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:46:18,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:46:18,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:46:18,355 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:46:18,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:17" (3/4) ... [2024-11-13 13:46:18,358 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:46:18,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:46:18,360 INFO L158 Benchmark]: Toolchain (without parser) took 2495.84ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 47.9MB in the end (delta: 43.6MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-13 13:46:18,361 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:18,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1336.79ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 80.7MB in the end (delta: 10.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 13:46:18,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.50ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:18,362 INFO L158 Benchmark]: Boogie Preprocessor took 72.72ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:18,362 INFO L158 Benchmark]: RCFGBuilder took 453.38ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 62.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:46:18,363 INFO L158 Benchmark]: TraceAbstraction took 574.22ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 48.6MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:46:18,363 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 47.9MB in the end (delta: 664.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:46:18,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1336.79ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 80.7MB in the end (delta: 10.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.50ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.72ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.38ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 62.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 574.22ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 48.6MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 47.9MB in the end (delta: 664.0kB). 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: 1572]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_52c_badSink(data) [L1572] 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: 1572]: 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: 0.5s, 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=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, 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 13:46:18,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de21fbb7-5e04-44bc-8b0e-6072892c1974/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