./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:09:09,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:09:09,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:09:09,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:09:09,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:09:09,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:09:09,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:09:09,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:09:09,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:09:09,942 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:09:09,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:09:09,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:09:09,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:09:09,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:09:09,945 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:09:09,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:09:09,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:09:09,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:09:09,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:09:09,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:09:09,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:09:09,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:09:09,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:09:09,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:09:09,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:09:09,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:09:09,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:09:09,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:09:09,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:09:09,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:09:09,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:09:09,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:09:09,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:09:09,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:09:09,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:09:09,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:09:09,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:09:09,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:09:09,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:09:09,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:09:09,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:09:09,958 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a [2024-11-19 13:09:10,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:09:10,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:09:10,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:09:10,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:09:10,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:09:10,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-19 13:09:11,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:09:12,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:09:12,015 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-19 13:09:12,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bb04c41/47a785eaee73421e9be6847a676b954f/FLAGbb0fd7b31 [2024-11-19 13:09:12,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bb04c41/47a785eaee73421e9be6847a676b954f [2024-11-19 13:09:12,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:09:12,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:09:12,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:09:12,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:09:12,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:09:12,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:09:12" (1/1) ... [2024-11-19 13:09:12,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af5e595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:12, skipping insertion in model container [2024-11-19 13:09:12,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:09:12" (1/1) ... [2024-11-19 13:09:12,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:09:12,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:09:12,876 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:09:12,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:09:13,097 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:09:13,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13 WrapperNode [2024-11-19 13:09:13,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:09:13,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:09:13,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:09:13,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:09:13,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,161 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-19 13:09:13,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:09:13,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:09:13,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:09:13,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:09:13,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,177 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,189 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:09:13,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:09:13,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:09:13,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:09:13,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:09:13,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (1/1) ... [2024-11-19 13:09:13,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:09:13,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:09:13,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:09:13,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:09:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:09:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:09:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:09:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:09:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:09:13,388 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:09:13,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:09:13,482 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-19 13:09:13,482 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:09:13,492 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:09:13,493 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:09:13,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:13 BoogieIcfgContainer [2024-11-19 13:09:13,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:09:13,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:09:13,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:09:13,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:09:13,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:09:12" (1/3) ... [2024-11-19 13:09:13,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5963b725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:09:13, skipping insertion in model container [2024-11-19 13:09:13,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:13" (2/3) ... [2024-11-19 13:09:13,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5963b725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:09:13, skipping insertion in model container [2024-11-19 13:09:13,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:13" (3/3) ... [2024-11-19 13:09:13,501 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-19 13:09:13,532 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:09:13,533 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:09:13,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:09:13,616 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;@5cda75f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:09:13,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:09:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:09:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 13:09:13,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:09:13,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:09:13,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:09:13,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:09:13,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-19 13:09:13,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:09:13,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045406736] [2024-11-19 13:09:13,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:09:13,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:09:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:09:13,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:09:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:09:13,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:09:13,834 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:09:13,835 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:09:13,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:09:13,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:09:13,841 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:09:13,859 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:09:13,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:09:13 BoogieIcfgContainer [2024-11-19 13:09:13,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:09:13,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:09:13,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:09:13,862 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:09:13,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:13" (3/4) ... [2024-11-19 13:09:13,865 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:09:13,866 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:09:13,867 INFO L158 Benchmark]: Toolchain (without parser) took 1803.22ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 79.0MB in the beginning and 134.5MB in the end (delta: -55.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:13,867 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:13,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.76ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 78.9MB in the beginning and 101.6MB in the end (delta: -22.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-19 13:09:13,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.21ms. Allocated memory is still 186.6MB. Free memory was 101.6MB in the beginning and 98.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:09:13,869 INFO L158 Benchmark]: Boogie Preprocessor took 37.39ms. Allocated memory is still 186.6MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:13,869 INFO L158 Benchmark]: RCFGBuilder took 294.15ms. Allocated memory is still 186.6MB. Free memory was 97.4MB in the beginning and 84.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:09:13,870 INFO L158 Benchmark]: TraceAbstraction took 365.79ms. Allocated memory is still 186.6MB. Free memory was 83.9MB in the beginning and 134.5MB in the end (delta: -50.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:13,870 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 186.6MB. Free memory is still 134.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:13,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.76ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 78.9MB in the beginning and 101.6MB in the end (delta: -22.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.21ms. Allocated memory is still 186.6MB. Free memory was 101.6MB in the beginning and 98.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.39ms. Allocated memory is still 186.6MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.15ms. Allocated memory is still 186.6MB. Free memory was 97.4MB in the beginning and 84.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 365.79ms. Allocated memory is still 186.6MB. Free memory was 83.9MB in the beginning and 134.5MB in the end (delta: -50.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 186.6MB. Free memory is still 134.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:09:13,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:09:16,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:09:16,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:09:16,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:09:16,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:09:16,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:09:16,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:09:16,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:09:16,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:09:16,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:09:16,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:09:16,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:09:16,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:09:16,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:09:16,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:09:16,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:09:16,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:09:16,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:09:16,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:09:16,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:09:16,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:09:16,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:09:16,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:09:16,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:09:16,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:09:16,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:09:16,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:09:16,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:09:16,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:09:16,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:09:16,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:09:16,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:09:16,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:09:16,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:09:16,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:09:16,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:09:16,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:09:16,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:09:16,316 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:09:16,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:09:16,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:09:16,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:09:16,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:09:16,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:09:16,317 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a [2024-11-19 13:09:16,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:09:16,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:09:16,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:09:16,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:09:16,658 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:09:16,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-19 13:09:18,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:09:18,605 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:09:18,606 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-19 13:09:18,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d465232a5/86b54ed710c64e83b19c20b8b3fa7fc3/FLAG39c48fd3e [2024-11-19 13:09:18,656 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d465232a5/86b54ed710c64e83b19c20b8b3fa7fc3 [2024-11-19 13:09:18,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:09:18,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:09:18,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:09:18,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:09:18,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:09:18,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:09:18" (1/1) ... [2024-11-19 13:09:18,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b48eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:18, skipping insertion in model container [2024-11-19 13:09:18,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:09:18" (1/1) ... [2024-11-19 13:09:18,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:09:19,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:09:19,447 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:09:19,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:09:19,698 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:09:19,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19 WrapperNode [2024-11-19 13:09:19,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:09:19,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:09:19,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:09:19,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:09:19,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,759 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-19 13:09:19,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:09:19,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:09:19,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:09:19,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:09:19,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,796 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:09:19,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:09:19,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:09:19,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:09:19,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:09:19,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (1/1) ... [2024-11-19 13:09:19,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:09:19,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:09:19,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:09:19,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:09:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:09:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:09:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:09:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:09:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:09:20,080 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:09:20,082 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:09:20,225 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-19 13:09:20,226 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:09:20,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:09:20,238 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:09:20,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:20 BoogieIcfgContainer [2024-11-19 13:09:20,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:09:20,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:09:20,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:09:20,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:09:20,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:09:18" (1/3) ... [2024-11-19 13:09:20,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50529138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:09:20, skipping insertion in model container [2024-11-19 13:09:20,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:19" (2/3) ... [2024-11-19 13:09:20,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50529138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:09:20, skipping insertion in model container [2024-11-19 13:09:20,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:20" (3/3) ... [2024-11-19 13:09:20,247 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-19 13:09:20,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:09:20,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:09:20,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:09:20,336 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;@7bd1fe79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:09:20,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:09:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:09:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 13:09:20,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:09:20,349 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:09:20,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:09:20,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:09:20,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-19 13:09:20,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:09:20,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633110988] [2024-11-19 13:09:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:09:20,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:09:20,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:09:20,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:09:20,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 13:09:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:09:20,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:09:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:09:20,573 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:09:20,574 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:09:20,575 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:09:20,577 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:09:20,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-19 13:09:20,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:09:20,785 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:09:20,804 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:09:20,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:09:20 BoogieIcfgContainer [2024-11-19 13:09:20,809 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:09:20,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:09:20,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:09:20,810 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:09:20,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:20" (3/4) ... [2024-11-19 13:09:20,814 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:09:20,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:09:20,816 INFO L158 Benchmark]: Toolchain (without parser) took 2155.79ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 27.3MB in the beginning and 59.9MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:20,817 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:20,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1038.29ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 27.0MB in the beginning and 33.5MB in the end (delta: -6.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-19 13:09:20,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.52ms. Allocated memory is still 75.5MB. Free memory was 33.5MB in the beginning and 30.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:09:20,820 INFO L158 Benchmark]: Boogie Preprocessor took 64.08ms. Allocated memory is still 75.5MB. Free memory was 30.8MB in the beginning and 28.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:09:20,821 INFO L158 Benchmark]: RCFGBuilder took 411.96ms. Allocated memory is still 75.5MB. Free memory was 28.2MB in the beginning and 36.7MB in the end (delta: -8.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-19 13:09:20,821 INFO L158 Benchmark]: TraceAbstraction took 568.71ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 60.4MB in the end (delta: -24.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:09:20,822 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 59.9MB in the end (delta: 535.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:20,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1038.29ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 27.0MB in the beginning and 33.5MB in the end (delta: -6.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.52ms. Allocated memory is still 75.5MB. Free memory was 33.5MB in the beginning and 30.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.08ms. Allocated memory is still 75.5MB. Free memory was 30.8MB in the beginning and 28.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 411.96ms. Allocated memory is still 75.5MB. Free memory was 28.2MB in the beginning and 36.7MB in the end (delta: -8.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * TraceAbstraction took 568.71ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 60.4MB in the end (delta: -24.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 59.9MB in the end (delta: 535.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:09:20,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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