./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_15_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_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/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_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/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_29364374-bb23-4f9c-a028-be7067c03aec/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 12050c587f64495b99a9275ea2337bc1a385f6cb309adc39c0f3bf3ad3a12c27 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:03:15,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:03:15,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 16:03:15,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:03:15,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:03:15,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:03:15,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:03:15,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:03:15,629 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:03:15,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:03:15,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:03:15,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:03:15,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:03:15,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:03:15,630 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:03:15,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:03:15,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:03:15,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:03:15,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:03:15,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:03:15,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:03:15,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:03:15,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:03:15,632 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:03:15,632 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:03:15,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:03:15,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:03:15,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:03:15,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:03:15,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:03:15,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:03:15,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:03:15,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:03:15,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:03:15,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:03:15,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:03:15,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:03:15,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:03:15,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:03:15,635 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:03:15,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:03:15,635 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_29364374-bb23-4f9c-a028-be7067c03aec/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 -> 12050c587f64495b99a9275ea2337bc1a385f6cb309adc39c0f3bf3ad3a12c27 [2024-11-13 16:03:15,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:03:15,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:03:15,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:03:15,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:03:15,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:03:15,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i Unable to find full path for "g++" [2024-11-13 16:03:18,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:03:18,716 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:03:18,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i [2024-11-13 16:03:18,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/data/8e0d0c839/2a81f7f4da2442f795cd6d10c1a42994/FLAG4234c4bf8 [2024-11-13 16:03:18,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/data/8e0d0c839/2a81f7f4da2442f795cd6d10c1a42994 [2024-11-13 16:03:18,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:03:18,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:03:18,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:03:18,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:03:18,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:03:18,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:03:18" (1/1) ... [2024-11-13 16:03:18,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e139fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:18, skipping insertion in model container [2024-11-13 16:03:18,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:03:18" (1/1) ... [2024-11-13 16:03:18,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:03:20,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:03:20,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:03:20,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:03:20,542 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:03:20,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20 WrapperNode [2024-11-13 16:03:20,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:03:20,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:03:20,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:03:20,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:03:20,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,630 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-13 16:03:20,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:03:20,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:03:20,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:03:20,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:03:20,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,659 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 16:03:20,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:03:20,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:03:20,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:03:20,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:03:20,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (1/1) ... [2024-11-13 16:03:20,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:03:20,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:03:20,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:03:20,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:03:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:03:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:03:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:03:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:03:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:03:20,926 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:03:20,928 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:03:21,070 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 16:03:21,070 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:03:21,081 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:03:21,082 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:03:21,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:03:21 BoogieIcfgContainer [2024-11-13 16:03:21,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:03:21,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:03:21,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:03:21,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:03:21,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:03:18" (1/3) ... [2024-11-13 16:03:21,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15eba83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:03:21, skipping insertion in model container [2024-11-13 16:03:21,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:20" (2/3) ... [2024-11-13 16:03:21,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15eba83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:03:21, skipping insertion in model container [2024-11-13 16:03:21,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:03:21" (3/3) ... [2024-11-13 16:03:21,096 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i [2024-11-13 16:03:21,116 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:03:21,118 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i that has 2 procedures, 27 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 16:03:21,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:03:21,229 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;@7202c39a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:03:21,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 16:03:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 16:03:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:03:21,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:03:21,245 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:03:21,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 16:03:21,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:03:21,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1594199403, now seen corresponding path program 1 times [2024-11-13 16:03:21,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:03:21,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088658047] [2024-11-13 16:03:21,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:03:21,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:03:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:03:21,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:03:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:03:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:03:21,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:03:21,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088658047] [2024-11-13 16:03:21,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088658047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:03:21,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:03:21,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:03:21,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158581183] [2024-11-13 16:03:21,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:03:21,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:03:21,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:03:21,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:03:21,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:03:21,808 INFO L87 Difference]: Start difference. First operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 16:03:21,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:03:21,874 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2024-11-13 16:03:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:03:21,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-13 16:03:21,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:03:21,884 INFO L225 Difference]: With dead ends: 29 [2024-11-13 16:03:21,884 INFO L226 Difference]: Without dead ends: 16 [2024-11-13 16:03:21,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:03:21,893 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 8 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:03:21,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 73 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:03:21,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-13 16:03:21,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-13 16:03:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 16:03:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-11-13 16:03:21,938 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 12 [2024-11-13 16:03:21,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:03:21,941 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-13 16:03:21,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 16:03:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 16:03:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:03:21,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:03:21,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:03:21,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:03:21,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 16:03:21,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:03:21,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2119426121, now seen corresponding path program 1 times [2024-11-13 16:03:21,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:03:21,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063649831] [2024-11-13 16:03:21,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:03:21,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:03:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:03:22,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:03:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:03:22,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:03:22,083 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:03:22,086 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 16:03:22,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 16:03:22,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:03:22,093 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 16:03:22,121 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:03:22,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:03:22 BoogieIcfgContainer [2024-11-13 16:03:22,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:03:22,132 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:03:22,132 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:03:22,132 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:03:22,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:03:21" (3/4) ... [2024-11-13 16:03:22,136 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:03:22,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:03:22,139 INFO L158 Benchmark]: Toolchain (without parser) took 3337.31ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-13 16:03:22,143 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:22,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1742.37ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 79.6MB in the end (delta: 9.7MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 16:03:22,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.05ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:22,144 INFO L158 Benchmark]: Boogie Preprocessor took 42.30ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:22,145 INFO L158 Benchmark]: RCFGBuilder took 408.65ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 63.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:03:22,145 INFO L158 Benchmark]: TraceAbstraction took 1040.53ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 80.3MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:22,145 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 80.2MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:22,151 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1742.37ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 79.6MB in the end (delta: 9.7MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.05ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.30ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.65ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 63.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1040.53ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 80.3MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 80.2MB in the end (delta: 11.8kB). 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: 1565]: 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 1578. 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fscanf_postinc_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] 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: 1565]: 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 29 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 16:03:22,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/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_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/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_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/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_29364374-bb23-4f9c-a028-be7067c03aec/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 12050c587f64495b99a9275ea2337bc1a385f6cb309adc39c0f3bf3ad3a12c27 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:03:25,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:03:25,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 16:03:25,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:03:25,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:03:25,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 16:03:25,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:03:25,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:03:25,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:03:25,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:03:25,950 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:03:25,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:03:25,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:03:25,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:03:25,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:03:25,952 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:03:25,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:03:25,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:03:25,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:03:25,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:03:25,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:03:25,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:03:25,953 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:03:25,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:03:25,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:03:25,953 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:03:25,954 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:03:25,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:03:25,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:03:25,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:03:25,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:03:25,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:03:25,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:03:25,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:03:25,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:03:25,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:03:25,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:03:25,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:03:25,956 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:03:25,956 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:03:25,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:03:25,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:03:25,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:03:25,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:03:25,957 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_29364374-bb23-4f9c-a028-be7067c03aec/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 -> 12050c587f64495b99a9275ea2337bc1a385f6cb309adc39c0f3bf3ad3a12c27 [2024-11-13 16:03:26,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:03:26,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:03:26,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:03:26,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:03:26,443 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:03:26,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i Unable to find full path for "g++" [2024-11-13 16:03:28,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:03:29,463 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:03:29,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i [2024-11-13 16:03:29,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/data/981e6b29c/dbe6296d6e96424ba05e86a1d6325ef4/FLAGbe0f05507 [2024-11-13 16:03:29,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/data/981e6b29c/dbe6296d6e96424ba05e86a1d6325ef4 [2024-11-13 16:03:29,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:03:29,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:03:29,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:03:29,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:03:29,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:03:29,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:03:29" (1/1) ... [2024-11-13 16:03:29,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e660e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:29, skipping insertion in model container [2024-11-13 16:03:29,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:03:29" (1/1) ... [2024-11-13 16:03:29,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:03:30,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:03:30,995 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:03:31,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:03:31,343 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:03:31,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31 WrapperNode [2024-11-13 16:03:31,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:03:31,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:03:31,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:03:31,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:03:31,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,401 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-13 16:03:31,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:03:31,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:03:31,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:03:31,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:03:31,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,427 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 16:03:31,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:03:31,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:03:31,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:03:31,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:03:31,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (1/1) ... [2024-11-13 16:03:31,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:03:31,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:03:31,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:03:31,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:03:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:03:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:03:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:03:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:03:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:03:31,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:03:31,733 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:03:31,913 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 16:03:31,913 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:03:31,926 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:03:31,927 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:03:31,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:03:31 BoogieIcfgContainer [2024-11-13 16:03:31,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:03:31,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:03:31,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:03:31,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:03:31,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:03:29" (1/3) ... [2024-11-13 16:03:31,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2263b8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:03:31, skipping insertion in model container [2024-11-13 16:03:31,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:31" (2/3) ... [2024-11-13 16:03:31,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2263b8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:03:31, skipping insertion in model container [2024-11-13 16:03:31,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:03:31" (3/3) ... [2024-11-13 16:03:31,939 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i [2024-11-13 16:03:31,957 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:03:31,959 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_postinc_15_bad.i that has 2 procedures, 27 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 16:03:32,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:03:32,077 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;@44dd34b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:03:32,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 16:03:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 16:03:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:03:32,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:03:32,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:03:32,097 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 16:03:32,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:03:32,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1594199403, now seen corresponding path program 1 times [2024-11-13 16:03:32,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:03:32,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261655684] [2024-11-13 16:03:32,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:03:32,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:03:32,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:03:32,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:03:32,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:03:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:03:32,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:03:32,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:03:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:03:32,349 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:03:32,350 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:03:32,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261655684] [2024-11-13 16:03:32,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261655684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:03:32,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:03:32,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 16:03:32,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456039551] [2024-11-13 16:03:32,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:03:32,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:03:32,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:03:32,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:03:32,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:03:32,393 INFO L87 Difference]: Start difference. First operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 16:03:32,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:03:32,413 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2024-11-13 16:03:32,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:03:32,416 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-13 16:03:32,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:03:32,424 INFO L225 Difference]: With dead ends: 27 [2024-11-13 16:03:32,424 INFO L226 Difference]: Without dead ends: 16 [2024-11-13 16:03:32,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:03:32,435 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:03:32,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:03:32,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-13 16:03:32,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-13 16:03:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 16:03:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-11-13 16:03:32,477 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 12 [2024-11-13 16:03:32,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:03:32,478 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-13 16:03:32,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 16:03:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 16:03:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:03:32,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:03:32,480 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:03:32,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:03:32,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:03:32,681 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 16:03:32,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:03:32,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2119426121, now seen corresponding path program 1 times [2024-11-13 16:03:32,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:03:32,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116611747] [2024-11-13 16:03:32,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:03:32,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:03:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:03:32,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:03:32,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:03:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:03:32,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:03:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:03:32,945 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 16:03:32,946 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:03:32,948 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 16:03:32,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 16:03:32,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:03:33,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:03:33,157 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 16:03:33,196 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:03:33,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:03:33 BoogieIcfgContainer [2024-11-13 16:03:33,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:03:33,205 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:03:33,205 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:03:33,206 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:03:33,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:03:31" (3/4) ... [2024-11-13 16:03:33,210 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:03:33,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:03:33,212 INFO L158 Benchmark]: Toolchain (without parser) took 3663.72ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 32.3MB in the end (delta: 24.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-13 16:03:33,213 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:33,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1793.52ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 51.2MB in the end (delta: 5.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 16:03:33,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.75ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:33,215 INFO L158 Benchmark]: Boogie Preprocessor took 43.55ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:33,216 INFO L158 Benchmark]: RCFGBuilder took 481.49ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 33.8MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:03:33,217 INFO L158 Benchmark]: TraceAbstraction took 1271.85ms. Allocated memory is still 83.9MB. Free memory was 33.0MB in the beginning and 32.3MB in the end (delta: 745.1kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-13 16:03:33,217 INFO L158 Benchmark]: Witness Printer took 6.15ms. Allocated memory is still 83.9MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:03:33,221 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 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1793.52ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 51.2MB in the end (delta: 5.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.75ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.55ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.49ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 33.8MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1271.85ms. Allocated memory is still 83.9MB. Free memory was 33.0MB in the beginning and 32.3MB in the end (delta: 745.1kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 6.15ms. Allocated memory is still 83.9MB. Free memory is still 32.3MB. 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: 1565]: 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 1578. 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fscanf_postinc_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] 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: 1565]: 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 16:03:33,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29364374-bb23-4f9c-a028-be7067c03aec/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