./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/CWE190_Integer_Overflow__int_fgets_preinc_68_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 4933d330328978fc58c1272b24df667abac2c29781773cc70881e558eb792494 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 23:56:44,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 23:56:44,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-22 23:56:44,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 23:56:44,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 23:56:45,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 23:56:45,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 23:56:45,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 23:56:45,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 23:56:45,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 23:56:45,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 23:56:45,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 23:56:45,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 23:56:45,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 23:56:45,023 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 23:56:45,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 23:56:45,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 23:56:45,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 23:56:45,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 23:56:45,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 23:56:45,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 23:56:45,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 23:56:45,025 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 23:56:45,025 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 23:56:45,026 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 23:56:45,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 23:56:45,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 23:56:45,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 23:56:45,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 23:56:45,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 23:56:45,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 23:56:45,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 23:56:45,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 23:56:45,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 23:56:45,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 23:56:45,028 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 23:56:45,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 23:56:45,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 23:56:45,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 23:56:45,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 23:56:45,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 23:56:45,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4933d330328978fc58c1272b24df667abac2c29781773cc70881e558eb792494 [2024-11-22 23:56:45,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 23:56:45,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 23:56:45,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 23:56:45,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 23:56:45,238 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 23:56:45,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i [2024-11-22 23:56:46,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 23:56:46,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 23:56:46,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i [2024-11-22 23:56:46,830 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1388073c5/49a15549971e4beabf41a1e27809b5f3/FLAG8c57e03ff [2024-11-22 23:56:46,842 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1388073c5/49a15549971e4beabf41a1e27809b5f3 [2024-11-22 23:56:46,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 23:56:46,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 23:56:46,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 23:56:46,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 23:56:46,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 23:56:46,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:56:46" (1/1) ... [2024-11-22 23:56:46,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245ed102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:46, skipping insertion in model container [2024-11-22 23:56:46,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:56:46" (1/1) ... [2024-11-22 23:56:46,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 23:56:47,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 23:56:47,534 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 23:56:47,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 23:56:47,731 INFO L204 MainTranslator]: Completed translation [2024-11-22 23:56:47,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47 WrapperNode [2024-11-22 23:56:47,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 23:56:47,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 23:56:47,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 23:56:47,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 23:56:47,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,812 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-22 23:56:47,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 23:56:47,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 23:56:47,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 23:56:47,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 23:56:47,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,862 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-22 23:56:47,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 23:56:47,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 23:56:47,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 23:56:47,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 23:56:47,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (1/1) ... [2024-11-22 23:56:47,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 23:56:47,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:56:47,952 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) [2024-11-22 23:56:47,961 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 [2024-11-22 23:56:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-22 23:56:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-22 23:56:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 23:56:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 23:56:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 23:56:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 23:56:48,246 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 23:56:48,248 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 23:56:48,330 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-22 23:56:48,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 23:56:48,340 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 23:56:48,340 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 23:56:48,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:56:48 BoogieIcfgContainer [2024-11-22 23:56:48,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 23:56:48,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 23:56:48,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 23:56:48,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 23:56:48,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:56:46" (1/3) ... [2024-11-22 23:56:48,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6495afe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:56:48, skipping insertion in model container [2024-11-22 23:56:48,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:47" (2/3) ... [2024-11-22 23:56:48,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6495afe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:56:48, skipping insertion in model container [2024-11-22 23:56:48,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:56:48" (3/3) ... [2024-11-22 23:56:48,349 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i [2024-11-22 23:56:48,363 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 23:56:48,363 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 23:56:48,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 23:56:48,414 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;@789e500e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 23:56:48,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 23:56:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 23:56:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-22 23:56:48,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:56:48,423 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:56:48,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-22 23:56:48,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:56:48,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-22 23:56:48,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:56:48,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172275097] [2024-11-22 23:56:48,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:56:48,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:56:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:56:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 23:56:48,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:56:48,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172275097] [2024-11-22 23:56:48,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172275097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:56:48,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:56:48,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 23:56:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931354150] [2024-11-22 23:56:48,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:56:48,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:56:48,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:56:48,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:56:48,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:56:48,841 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-22 23:56:48,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:56:48,866 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-22 23:56:48,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:56:48,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 11 [2024-11-22 23:56:48,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:56:48,873 INFO L225 Difference]: With dead ends: 24 [2024-11-22 23:56:48,873 INFO L226 Difference]: Without dead ends: 15 [2024-11-22 23:56:48,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:56:48,877 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 23:56:48,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 23:56:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-22 23:56:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-22 23:56:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2024-11-22 23:56:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-22 23:56:48,902 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-22 23:56:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:56:48,903 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-22 23:56:48,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-22 23:56:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-22 23:56:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 23:56:48,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:56:48,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:56:48,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 23:56:48,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-22 23:56:48,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:56:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-22 23:56:48,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:56:48,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426054424] [2024-11-22 23:56:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:56:48,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:56:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 23:56:48,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 23:56:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 23:56:48,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 23:56:48,989 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 23:56:48,990 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-22 23:56:48,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-22 23:56:48,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 23:56:48,994 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-22 23:56:49,014 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 23:56:49,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:56:49 BoogieIcfgContainer [2024-11-22 23:56:49,017 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 23:56:49,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 23:56:49,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 23:56:49,018 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 23:56:49,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:56:48" (3/4) ... [2024-11-22 23:56:49,021 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 23:56:49,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 23:56:49,022 INFO L158 Benchmark]: Toolchain (without parser) took 2177.02ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 63.1MB in the beginning and 138.4MB in the end (delta: -75.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:56:49,022 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:56:49,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 885.80ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 63.1MB in the beginning and 124.9MB in the end (delta: -61.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-22 23:56:49,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.00ms. Allocated memory is still 207.6MB. Free memory was 124.9MB in the beginning and 121.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 23:56:49,024 INFO L158 Benchmark]: Boogie Preprocessor took 64.53ms. Allocated memory is still 207.6MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 23:56:49,024 INFO L158 Benchmark]: RCFGBuilder took 453.38ms. Allocated memory is still 207.6MB. Free memory was 119.5MB in the beginning and 106.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 23:56:49,024 INFO L158 Benchmark]: TraceAbstraction took 674.39ms. Allocated memory is still 207.6MB. Free memory was 104.9MB in the beginning and 138.4MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:56:49,025 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 207.6MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:56:49,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 885.80ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 63.1MB in the beginning and 124.9MB in the end (delta: -61.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.00ms. Allocated memory is still 207.6MB. Free memory was 124.9MB in the beginning and 121.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.53ms. Allocated memory is still 207.6MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.38ms. Allocated memory is still 207.6MB. Free memory was 119.5MB in the beginning and 106.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 674.39ms. Allocated memory is still 207.6MB. Free memory was 104.9MB in the beginning and 138.4MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 207.6MB. Free memory is still 138.4MB. 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: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. 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] [L1573] 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) [L1573] 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] [L1574] CALL CWE190_Integer_Overflow__int_fgets_preinc_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE190_Integer_Overflow__int_fgets_preinc_68_badData = data [L1568] CALL CWE190_Integer_Overflow__int_fgets_preinc_68b_badSink() [L1583] int data = CWE190_Integer_Overflow__int_fgets_preinc_68_badData; VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1585] ++data VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=2147483647, 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: 1585]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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 [2024-11-22 23:56:49,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/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/CWE190_Integer_Overflow__int_fgets_preinc_68_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 4933d330328978fc58c1272b24df667abac2c29781773cc70881e558eb792494 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 23:56:51,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 23:56:51,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-22 23:56:51,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 23:56:51,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 23:56:51,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-22 23:56:51,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 23:56:51,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 23:56:51,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 23:56:51,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 23:56:51,248 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 23:56:51,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 23:56:51,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 23:56:51,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 23:56:51,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 23:56:51,249 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 23:56:51,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 23:56:51,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 23:56:51,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 23:56:51,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 23:56:51,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 23:56:51,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 23:56:51,255 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 23:56:51,255 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 23:56:51,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 23:56:51,256 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 23:56:51,256 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 23:56:51,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 23:56:51,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 23:56:51,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 23:56:51,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 23:56:51,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 23:56:51,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 23:56:51,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 23:56:51,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 23:56:51,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 23:56:51,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 23:56:51,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 23:56:51,258 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 23:56:51,258 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 23:56:51,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 23:56:51,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 23:56:51,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 23:56:51,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 23:56:51,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4933d330328978fc58c1272b24df667abac2c29781773cc70881e558eb792494 [2024-11-22 23:56:51,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 23:56:51,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 23:56:51,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 23:56:51,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 23:56:51,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 23:56:51,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i [2024-11-22 23:56:53,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 23:56:53,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 23:56:53,515 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i [2024-11-22 23:56:53,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b057b8f1/9ba658fb2e7a445babe93c3910f1c553/FLAG4518284a7 [2024-11-22 23:56:53,673 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b057b8f1/9ba658fb2e7a445babe93c3910f1c553 [2024-11-22 23:56:53,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 23:56:53,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 23:56:53,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 23:56:53,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 23:56:53,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 23:56:53,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:56:53" (1/1) ... [2024-11-22 23:56:53,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0a74c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:53, skipping insertion in model container [2024-11-22 23:56:53,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:56:53" (1/1) ... [2024-11-22 23:56:53,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 23:56:54,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 23:56:54,437 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 23:56:54,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 23:56:54,610 INFO L204 MainTranslator]: Completed translation [2024-11-22 23:56:54,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54 WrapperNode [2024-11-22 23:56:54,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 23:56:54,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 23:56:54,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 23:56:54,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 23:56:54,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,662 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-22 23:56:54,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 23:56:54,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 23:56:54,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 23:56:54,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 23:56:54,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,690 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-22 23:56:54,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 23:56:54,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 23:56:54,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 23:56:54,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 23:56:54,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (1/1) ... [2024-11-22 23:56:54,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 23:56:54,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:56:54,730 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) [2024-11-22 23:56:54,736 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 [2024-11-22 23:56:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-22 23:56:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-22 23:56:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 23:56:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 23:56:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 23:56:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 23:56:54,882 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 23:56:54,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 23:56:54,990 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-22 23:56:54,990 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 23:56:55,001 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 23:56:55,001 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 23:56:55,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:56:55 BoogieIcfgContainer [2024-11-22 23:56:55,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 23:56:55,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 23:56:55,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 23:56:55,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 23:56:55,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:56:53" (1/3) ... [2024-11-22 23:56:55,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4452ed4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:56:55, skipping insertion in model container [2024-11-22 23:56:55,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:54" (2/3) ... [2024-11-22 23:56:55,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4452ed4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:56:55, skipping insertion in model container [2024-11-22 23:56:55,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:56:55" (3/3) ... [2024-11-22 23:56:55,010 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i [2024-11-22 23:56:55,023 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 23:56:55,024 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 23:56:55,075 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 23:56:55,080 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;@5ea9fd8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 23:56:55,081 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 23:56:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 23:56:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-22 23:56:55,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:56:55,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:56:55,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-22 23:56:55,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:56:55,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-22 23:56:55,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 23:56:55,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794828658] [2024-11-22 23:56:55,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:56:55,132 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 [2024-11-22 23:56:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 23:56:55,135 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) [2024-11-22 23:56:55,136 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 [2024-11-22 23:56:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:56:55,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 23:56:55,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:56:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 23:56:55,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 23:56:55,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 23:56:55,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794828658] [2024-11-22 23:56:55,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794828658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:56:55,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:56:55,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 23:56:55,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892132262] [2024-11-22 23:56:55,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:56:55,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 23:56:55,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 23:56:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 23:56:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 23:56:55,308 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-22 23:56:55,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:56:55,320 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-22 23:56:55,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 23:56:55,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2024-11-22 23:56:55,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:56:55,326 INFO L225 Difference]: With dead ends: 24 [2024-11-22 23:56:55,326 INFO L226 Difference]: Without dead ends: 15 [2024-11-22 23:56:55,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 23:56:55,330 INFO L432 NwaCegarLoop]: 26 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, 26 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 [2024-11-22 23:56:55,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 23:56:55,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-22 23:56:55,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-22 23:56:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2024-11-22 23:56:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-22 23:56:55,355 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-22 23:56:55,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:56:55,356 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-22 23:56:55,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-22 23:56:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-22 23:56:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 23:56:55,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:56:55,357 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:56:55,361 INFO L552 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)] Ended with exit code 0 [2024-11-22 23:56:55,560 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 [2024-11-22 23:56:55,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-22 23:56:55,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:56:55,561 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-22 23:56:55,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 23:56:55,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5172061] [2024-11-22 23:56:55,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:56:55,562 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 [2024-11-22 23:56:55,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 23:56:55,565 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-22 23:56:55,570 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 (3)] Waiting until timeout for monitored process [2024-11-22 23:56:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 23:56:55,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 23:56:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 23:56:55,668 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-22 23:56:55,669 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 23:56:55,670 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-22 23:56:55,671 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-22 23:56:55,676 INFO L552 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 (3)] Ended with exit code 0 [2024-11-22 23:56:55,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-22 23:56:55,878 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-22 23:56:55,895 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 23:56:55,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:56:55 BoogieIcfgContainer [2024-11-22 23:56:55,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 23:56:55,898 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 23:56:55,898 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 23:56:55,898 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 23:56:55,898 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:56:55" (3/4) ... [2024-11-22 23:56:55,900 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 23:56:55,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 23:56:55,902 INFO L158 Benchmark]: Toolchain (without parser) took 2226.10ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 55.3MB in the beginning and 84.2MB in the end (delta: -28.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-22 23:56:55,902 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 94.4MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:56:55,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.45ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 55.3MB in the beginning and 85.0MB in the end (delta: -29.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-11-22 23:56:55,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.98ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 23:56:55,903 INFO L158 Benchmark]: Boogie Preprocessor took 36.95ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 79.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 23:56:55,903 INFO L158 Benchmark]: RCFGBuilder took 298.99ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 64.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 23:56:55,904 INFO L158 Benchmark]: TraceAbstraction took 893.59ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 85.2MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:56:55,904 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 23:56:55,906 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 94.4MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 928.45ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 55.3MB in the beginning and 85.0MB in the end (delta: -29.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.98ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.95ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 79.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 298.99ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 64.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 893.59ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 85.2MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. 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: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. 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] int CWE190_Integer_Overflow__int_fgets_preinc_68_badData; [L1550] int CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData; VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=0, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=0, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, 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) [L1573] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=0, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE190_Integer_Overflow__int_fgets_preinc_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=0, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE190_Integer_Overflow__int_fgets_preinc_68_badData = data [L1568] CALL CWE190_Integer_Overflow__int_fgets_preinc_68b_badSink() [L1583] int data = CWE190_Integer_Overflow__int_fgets_preinc_68_badData; VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=2147483647, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1585] ++data VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=2147483647, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, 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: 1585]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 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, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 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 [2024-11-22 23:56:55,928 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