./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_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_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/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_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/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_e61ab769-41f3-4f76-887f-3672cb4f858e/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 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:20:38,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:20:38,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 15:20:38,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:20:38,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:20:38,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:20:38,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:20:38,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:20:38,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:20:38,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:20:38,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:20:38,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:20:38,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:20:38,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:20:38,704 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:20:38,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:20:38,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:20:38,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:20:38,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:20:38,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:20:38,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:20:38,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:20:38,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:20:38,705 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:20:38,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:20:38,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:20:38,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:20:38,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:20:38,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:20:38,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:20:38,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:20:38,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:20:38,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:20:38,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:20:38,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:20:38,707 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:20:38,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:20:38,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:20:38,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:20:38,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:20:38,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:20:38,708 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_e61ab769-41f3-4f76-887f-3672cb4f858e/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 -> 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5 [2024-11-13 15:20:39,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:20:39,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:20:39,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:20:39,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:20:39,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:20:39,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i Unable to find full path for "g++" [2024-11-13 15:20:41,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:20:42,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:20:42,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i [2024-11-13 15:20:42,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/data/2eee2fac9/e3ad7caeff1a42c7b9dfd7850a4e0013/FLAG5bb2a793f [2024-11-13 15:20:42,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/data/2eee2fac9/e3ad7caeff1a42c7b9dfd7850a4e0013 [2024-11-13 15:20:42,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:20:42,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:20:42,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:20:42,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:20:42,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:20:42,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:20:42" (1/1) ... [2024-11-13 15:20:42,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6286514d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:42, skipping insertion in model container [2024-11-13 15:20:42,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:20:42" (1/1) ... [2024-11-13 15:20:42,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:20:43,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:20:43,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:20:43,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:20:43,685 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:20:43,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43 WrapperNode [2024-11-13 15:20:43,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:20:43,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:20:43,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:20:43,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:20:43,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,754 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 15:20:43,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:20:43,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:20:43,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:20:43,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:20:43,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,784 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:20:43,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:20:43,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:20:43,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:20:43,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:20:43,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (1/1) ... [2024-11-13 15:20:43,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:20:43,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:43,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:43,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:20:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:20:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:20:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:20:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:20:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:20:44,119 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:20:44,122 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:20:44,302 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 15:20:44,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:20:44,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:20:44,319 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:20:44,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:44 BoogieIcfgContainer [2024-11-13 15:20:44,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:20:44,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:20:44,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:20:44,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:20:44,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:20:42" (1/3) ... [2024-11-13 15:20:44,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@769c6a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:20:44, skipping insertion in model container [2024-11-13 15:20:44,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:43" (2/3) ... [2024-11-13 15:20:44,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@769c6a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:20:44, skipping insertion in model container [2024-11-13 15:20:44,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:44" (3/3) ... [2024-11-13 15:20:44,333 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i [2024-11-13 15:20:44,353 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:20:44,358 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:20:44,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:20:44,462 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;@556e526f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:20:44,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:20:44,467 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 15:20:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:20:44,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:44,478 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:20:44,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:20:44,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:44,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-13 15:20:44,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:20:44,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715643725] [2024-11-13 15:20:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:44,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:20:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:20:44,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:20:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:20:44,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:20:44,762 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:20:44,764 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:20:44,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:20:44,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:20:44,776 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:20:44,813 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:20:44,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:20:44 BoogieIcfgContainer [2024-11-13 15:20:44,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:20:44,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:20:44,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:20:44,819 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:20:44,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:44" (3/4) ... [2024-11-13 15:20:44,825 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:20:44,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:20:44,829 INFO L158 Benchmark]: Toolchain (without parser) took 2637.08ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 93.3MB in the end (delta: 22.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-13 15:20:44,830 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:44,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.90ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 55.4MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 15:20:44,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.18ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 52.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:44,833 INFO L158 Benchmark]: Boogie Preprocessor took 44.52ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 51.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:44,833 INFO L158 Benchmark]: RCFGBuilder took 518.60ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 108.6MB in the end (delta: -57.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 15:20:44,837 INFO L158 Benchmark]: TraceAbstraction took 495.38ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 94.1MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:20:44,837 INFO L158 Benchmark]: Witness Printer took 8.41ms. Allocated memory is still 142.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:44,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.90ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 55.4MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.18ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 52.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.52ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 51.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 518.60ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 108.6MB in the end (delta: -57.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 495.38ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 94.1MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.41ms. Allocated memory is still 142.6MB. Free memory is still 93.3MB. 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: 1554]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: 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: 0.4s, 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 15:20:44,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/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_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/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_e61ab769-41f3-4f76-887f-3672cb4f858e/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 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:20:48,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:20:48,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 15:20:48,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:20:48,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:20:48,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 15:20:48,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:20:48,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:20:48,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:20:48,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:20:48,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:20:48,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:20:48,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:20:48,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:20:48,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:20:48,415 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:20:48,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:20:48,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:20:48,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:20:48,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:20:48,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:20:48,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:20:48,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:20:48,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:20:48,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:20:48,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:20:48,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:20:48,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:20:48,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:20:48,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:20:48,419 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:20:48,419 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:20:48,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:20:48,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:20:48,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:20:48,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:20:48,419 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_e61ab769-41f3-4f76-887f-3672cb4f858e/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 -> 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5 [2024-11-13 15:20:48,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:20:48,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:20:48,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:20:48,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:20:48,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:20:48,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i Unable to find full path for "g++" [2024-11-13 15:20:51,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:20:51,628 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:20:51,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i [2024-11-13 15:20:51,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/data/aa5fea86a/0b73c30f2aeb48b198425556b1148b39/FLAGe0e53a539 [2024-11-13 15:20:51,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/data/aa5fea86a/0b73c30f2aeb48b198425556b1148b39 [2024-11-13 15:20:51,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:20:51,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:20:51,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:20:51,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:20:51,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:20:51,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:20:51" (1/1) ... [2024-11-13 15:20:51,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3b3beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:51, skipping insertion in model container [2024-11-13 15:20:51,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:20:51" (1/1) ... [2024-11-13 15:20:51,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:20:52,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:20:52,994 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:20:53,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:20:53,362 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:20:53,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53 WrapperNode [2024-11-13 15:20:53,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:20:53,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:20:53,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:20:53,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:20:53,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,459 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-13 15:20:53,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:20:53,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:20:53,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:20:53,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:20:53,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,488 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:20:53,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:20:53,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:20:53,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:20:53,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:20:53,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (1/1) ... [2024-11-13 15:20:53,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:20:53,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:53,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:53,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:20:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:20:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:20:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:20:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:20:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:20:53,849 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:20:53,851 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:20:54,032 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 15:20:54,032 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:20:54,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:20:54,047 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:20:54,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:54 BoogieIcfgContainer [2024-11-13 15:20:54,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:20:54,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:20:54,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:20:54,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:20:54,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:20:51" (1/3) ... [2024-11-13 15:20:54,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ef2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:20:54, skipping insertion in model container [2024-11-13 15:20:54,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:20:53" (2/3) ... [2024-11-13 15:20:54,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ef2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:20:54, skipping insertion in model container [2024-11-13 15:20:54,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:54" (3/3) ... [2024-11-13 15:20:54,065 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i [2024-11-13 15:20:54,083 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:20:54,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:20:54,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:20:54,173 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;@54d5785c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:20:54,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:20:54,178 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 15:20:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:20:54,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:20:54,187 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:20:54,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:20:54,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-13 15:20:54,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:20:54,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436859459] [2024-11-13 15:20:54,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:20:54,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:20:54,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:54,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:20:54,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:20:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:20:54,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:20:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:20:54,495 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:20:54,497 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:20:54,499 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:20:54,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:20:54,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:20:54,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:20:54,713 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:20:54,735 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:20:54,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:20:54 BoogieIcfgContainer [2024-11-13 15:20:54,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:20:54,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:20:54,739 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:20:54,739 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:20:54,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:20:54" (3/4) ... [2024-11-13 15:20:54,743 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:20:54,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:20:54,746 INFO L158 Benchmark]: Toolchain (without parser) took 3027.78ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 83.0MB in the end (delta: 7.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-13 15:20:54,746 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:54,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1642.95ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 77.2MB in the end (delta: 12.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 15:20:54,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.46ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 74.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:54,747 INFO L158 Benchmark]: Boogie Preprocessor took 53.55ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 72.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:54,752 INFO L158 Benchmark]: RCFGBuilder took 532.02ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 59.6MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:20:54,753 INFO L158 Benchmark]: TraceAbstraction took 684.55ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 83.7MB in the end (delta: -24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:20:54,753 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 83.0MB in the end (delta: 650.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:54,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1642.95ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 77.2MB in the end (delta: 12.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.46ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 74.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.55ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 72.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 532.02ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 59.6MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 684.55ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 83.7MB in the end (delta: -24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 83.0MB in the end (delta: 650.9kB). 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: 1554]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: 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, 0.0s 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 15:20:54,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61ab769-41f3-4f76-887f-3672cb4f858e/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