./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_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_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/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_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/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_58858fa1-40d9-4586-960b-e9bfcab4a319/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 4fe9913825b615b71160b6b150958439b47d91f120b7b74009b805f02cd34b86 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:40:48,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:40:48,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 15:40:48,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:40:48,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:40:48,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:40:48,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:40:48,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:40:48,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:40:48,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:40:48,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:40:48,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:40:48,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:40:48,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:40:48,969 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:40:48,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:40:48,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:40:48,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:40:48,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:40:48,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:40:48,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:40:48,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:40:48,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:40:48,971 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:40:48,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:40:48,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:40:48,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:40:48,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:40:48,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:40:48,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:40:48,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:40:48,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:40:48,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:40:48,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:40:48,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:40:48,973 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:40:48,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:40:48,973 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:40:48,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:40:48,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:40:48,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:40:48,974 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_58858fa1-40d9-4586-960b-e9bfcab4a319/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 -> 4fe9913825b615b71160b6b150958439b47d91f120b7b74009b805f02cd34b86 [2024-11-13 15:40:49,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:40:49,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:40:49,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:40:49,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:40:49,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:40:49,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i Unable to find full path for "g++" [2024-11-13 15:40:51,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:40:52,480 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:40:52,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i [2024-11-13 15:40:52,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/data/603ecabe6/cd15ea997e594e8184b796b63c58c090/FLAGa2879d9fd [2024-11-13 15:40:52,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/data/603ecabe6/cd15ea997e594e8184b796b63c58c090 [2024-11-13 15:40:52,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:40:52,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:40:52,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:40:52,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:40:52,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:40:52,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:40:52" (1/1) ... [2024-11-13 15:40:52,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549ef215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:52, skipping insertion in model container [2024-11-13 15:40:52,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:40:52" (1/1) ... [2024-11-13 15:40:52,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:40:53,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:40:53,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:40:54,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:40:54,289 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:40:54,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54 WrapperNode [2024-11-13 15:40:54,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:40:54,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:40:54,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:40:54,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:40:54,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,355 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 15:40:54,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:40:54,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:40:54,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:40:54,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:40:54,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,383 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:40:54,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:40:54,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:40:54,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:40:54,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:40:54,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (1/1) ... [2024-11-13 15:40:54,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:40:54,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:40:54,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:40:54,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:40:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:40:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:40:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:40:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:40:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:40:54,752 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:40:54,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:40:54,941 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 15:40:54,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:40:54,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:40:54,961 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:40:54,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:54 BoogieIcfgContainer [2024-11-13 15:40:54,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:40:54,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:40:54,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:40:54,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:40:54,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:40:52" (1/3) ... [2024-11-13 15:40:54,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477d0a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:40:54, skipping insertion in model container [2024-11-13 15:40:54,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:54" (2/3) ... [2024-11-13 15:40:54,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477d0a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:40:54, skipping insertion in model container [2024-11-13 15:40:54,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:54" (3/3) ... [2024-11-13 15:40:54,978 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i [2024-11-13 15:40:55,000 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:40:55,005 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:40:55,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:40:55,113 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;@2bc01a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:40:55,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:40:55,121 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 15:40:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 15:40:55,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:40:55,132 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:40:55,132 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:40:55,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:40:55,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1176095353, now seen corresponding path program 1 times [2024-11-13 15:40:55,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:40:55,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653545098] [2024-11-13 15:40:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:40:55,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:40:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:40:55,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:40:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:40:55,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:40:55,361 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:40:55,362 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:40:55,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:40:55,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:40:55,371 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:40:55,408 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:40:55,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:40:55 BoogieIcfgContainer [2024-11-13 15:40:55,413 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:40:55,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:40:55,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:40:55,414 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:40:55,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:54" (3/4) ... [2024-11-13 15:40:55,418 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:40:55,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:40:55,420 INFO L158 Benchmark]: Toolchain (without parser) took 2850.68ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 94.8MB in the end (delta: 21.3MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-13 15:40:55,420 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:40:55,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1721.39ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 56.4MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 15:40:55,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.09ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 53.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:40:55,422 INFO L158 Benchmark]: Boogie Preprocessor took 40.79ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 52.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:40:55,422 INFO L158 Benchmark]: RCFGBuilder took 564.55ms. Allocated memory is still 142.6MB. Free memory was 52.2MB in the beginning and 109.4MB in the end (delta: -57.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 15:40:55,423 INFO L158 Benchmark]: TraceAbstraction took 448.07ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 94.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:40:55,423 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 142.6MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:40:55,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1721.39ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 56.4MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.09ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 53.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.79ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 52.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.55ms. Allocated memory is still 142.6MB. Free memory was 52.2MB in the beginning and 109.4MB in the end (delta: -57.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 448.07ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 94.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 142.6MB. Free memory is still 94.8MB. 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: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_18_bad() [L1550] int data; [L1551] data = 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] [L1558] 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: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 15:40:55,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/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_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/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_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/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_58858fa1-40d9-4586-960b-e9bfcab4a319/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 4fe9913825b615b71160b6b150958439b47d91f120b7b74009b805f02cd34b86 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:40:58,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:40:59,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 15:40:59,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:40:59,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:40:59,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 15:40:59,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:40:59,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:40:59,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:40:59,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:40:59,135 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:40:59,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:40:59,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:40:59,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:40:59,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:40:59,136 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:40:59,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:40:59,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:40:59,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:40:59,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:40:59,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:40:59,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:40:59,138 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:40:59,138 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:40:59,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:40:59,139 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:40:59,139 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:40:59,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:40:59,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:40:59,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:40:59,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:40:59,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:40:59,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:40:59,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:40:59,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:40:59,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:40:59,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:40:59,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:40:59,142 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:40:59,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:40:59,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:40:59,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:40:59,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:40:59,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:40:59,144 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_58858fa1-40d9-4586-960b-e9bfcab4a319/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 -> 4fe9913825b615b71160b6b150958439b47d91f120b7b74009b805f02cd34b86 [2024-11-13 15:40:59,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:40:59,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:40:59,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:40:59,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:40:59,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:40:59,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i Unable to find full path for "g++" [2024-11-13 15:41:02,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:41:02,810 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:41:02,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i [2024-11-13 15:41:02,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/data/3d55cdaae/4c2025e22ed7458694d7e1b91bdfc2ea/FLAG932d566e4 [2024-11-13 15:41:02,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/data/3d55cdaae/4c2025e22ed7458694d7e1b91bdfc2ea [2024-11-13 15:41:02,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:41:02,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:41:02,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:41:02,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:41:02,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:41:02,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:41:02" (1/1) ... [2024-11-13 15:41:02,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733a0685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:02, skipping insertion in model container [2024-11-13 15:41:02,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:41:02" (1/1) ... [2024-11-13 15:41:02,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:41:04,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:41:04,319 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:41:04,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:41:04,665 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:41:04,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04 WrapperNode [2024-11-13 15:41:04,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:41:04,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:41:04,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:41:04,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:41:04,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,750 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 15:41:04,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:41:04,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:41:04,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:41:04,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:41:04,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,784 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:41:04,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:41:04,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:41:04,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:41:04,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:41:04,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (1/1) ... [2024-11-13 15:41:04,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:41:04,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:04,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:04,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:41:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:41:04,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:41:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:41:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:41:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:41:05,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:41:05,072 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:41:05,212 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 15:41:05,214 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:41:05,225 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:41:05,225 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:41:05,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:41:05 BoogieIcfgContainer [2024-11-13 15:41:05,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:41:05,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:41:05,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:41:05,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:41:05,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:41:02" (1/3) ... [2024-11-13 15:41:05,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9ed329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:41:05, skipping insertion in model container [2024-11-13 15:41:05,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:04" (2/3) ... [2024-11-13 15:41:05,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9ed329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:41:05, skipping insertion in model container [2024-11-13 15:41:05,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:41:05" (3/3) ... [2024-11-13 15:41:05,238 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i [2024-11-13 15:41:05,256 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:41:05,258 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:41:05,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:41:05,340 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;@7ec95f9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:41:05,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:41:05,346 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 15:41:05,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 15:41:05,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:41:05,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:41:05,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:41:05,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:05,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1176095353, now seen corresponding path program 1 times [2024-11-13 15:41:05,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:41:05,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961742756] [2024-11-13 15:41:05,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:41:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:05,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:41:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:41:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:05,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:05,612 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:41:05,614 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:41:05,616 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:41:05,618 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:41:05,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:41:05,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:41:05,824 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:41:05,885 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:41:05,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:41:05 BoogieIcfgContainer [2024-11-13 15:41:05,893 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:41:05,894 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:41:05,894 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:41:05,894 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:41:05,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:41:05" (3/4) ... [2024-11-13 15:41:05,900 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:41:05,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:41:05,903 INFO L158 Benchmark]: Toolchain (without parser) took 3021.03ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 86.4MB in the end (delta: 2.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-13 15:41:05,903 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:05,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1781.34ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 67.6MB in the end (delta: 21.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 15:41:05,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.51ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:05,904 INFO L158 Benchmark]: Boogie Preprocessor took 55.02ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:05,905 INFO L158 Benchmark]: RCFGBuilder took 417.94ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 50.6MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:41:05,905 INFO L158 Benchmark]: TraceAbstraction took 663.52ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 87.1MB in the end (delta: -37.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-13 15:41:05,906 INFO L158 Benchmark]: Witness Printer took 8.14ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 86.4MB in the end (delta: 715.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:05,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1781.34ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 67.6MB in the end (delta: 21.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.51ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.02ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 417.94ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 50.6MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 663.52ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 87.1MB in the end (delta: -37.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 8.14ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 86.4MB in the end (delta: 715.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_18_bad() [L1550] int data; [L1551] data = 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] [L1558] 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: 1558]: 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, 11 NumberOfCodeBlocks, 11 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 15:41:05,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58858fa1-40d9-4586-960b-e9bfcab4a319/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