./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_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/CWE191_Integer_Underflow__int_fgets_multiply_14_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 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 00:54:56,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 00:54:56,805 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 00:54:56,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 00:54:56,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 00:54:56,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 00:54:56,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 00:54:56,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 00:54:56,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 00:54:56,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 00:54:56,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 00:54:56,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 00:54:56,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 00:54:56,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 00:54:56,833 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 00:54:56,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 00:54:56,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 00:54:56,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 00:54:56,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 00:54:56,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 00:54:56,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 00:54:56,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 00:54:56,836 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 00:54:56,836 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 00:54:56,836 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 00:54:56,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 00:54:56,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 00:54:56,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 00:54:56,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 00:54:56,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 00:54:56,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 00:54:56,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:54:56,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 00:54:56,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 00:54:56,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 00:54:56,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 00:54:56,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 00:54:56,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 00:54:56,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 00:54:56,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 00:54:56,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 00:54:56,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 [2024-11-23 00:54:57,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 00:54:57,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 00:54:57,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 00:54:57,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 00:54:57,066 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 00:54:57,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-23 00:54:58,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 00:54:58,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 00:54:58,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-23 00:54:58,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b5ce915/2e94b93cea134b518890ac6e9ad526e6/FLAG429fa8935 [2024-11-23 00:54:58,583 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b5ce915/2e94b93cea134b518890ac6e9ad526e6 [2024-11-23 00:54:58,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 00:54:58,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 00:54:58,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 00:54:58,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 00:54:58,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 00:54:58,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:58" (1/1) ... [2024-11-23 00:54:58,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1745e93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:58, skipping insertion in model container [2024-11-23 00:54:58,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:58" (1/1) ... [2024-11-23 00:54:58,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 00:54:59,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:54:59,146 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 00:54:59,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:54:59,393 INFO L204 MainTranslator]: Completed translation [2024-11-23 00:54:59,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59 WrapperNode [2024-11-23 00:54:59,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 00:54:59,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 00:54:59,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 00:54:59,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 00:54:59,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,443 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-23 00:54:59,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 00:54:59,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 00:54:59,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 00:54:59,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 00:54:59,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,467 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]. [2024-11-23 00:54:59,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 00:54:59,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 00:54:59,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 00:54:59,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 00:54:59,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (1/1) ... [2024-11-23 00:54:59,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:54:59,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:54:59,505 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) [2024-11-23 00:54:59,507 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 [2024-11-23 00:54:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 00:54:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 00:54:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 00:54:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 00:54:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 00:54:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 00:54:59,638 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 00:54:59,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 00:54:59,743 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-23 00:54:59,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 00:54:59,751 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 00:54:59,752 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 00:54:59,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:59 BoogieIcfgContainer [2024-11-23 00:54:59,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 00:54:59,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 00:54:59,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 00:54:59,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 00:54:59,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:58" (1/3) ... [2024-11-23 00:54:59,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185d9e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:59, skipping insertion in model container [2024-11-23 00:54:59,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:59" (2/3) ... [2024-11-23 00:54:59,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185d9e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:59, skipping insertion in model container [2024-11-23 00:54:59,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:59" (3/3) ... [2024-11-23 00:54:59,759 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-23 00:54:59,774 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 00:54:59,774 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 00:54:59,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 00:54:59,834 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;@16c9ed81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 00:54:59,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 00:54:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 21 states have internal predecessors, (26), 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) [2024-11-23 00:54:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 00:54:59,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:54:59,844 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:54:59,845 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:54:59,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:54:59,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1593866737, now seen corresponding path program 1 times [2024-11-23 00:54:59,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 00:54:59,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416454743] [2024-11-23 00:54:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:54:59,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 00:54:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 00:55:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 00:55:00,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 00:55:00,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416454743] [2024-11-23 00:55:00,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416454743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 00:55:00,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 00:55:00,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 00:55:00,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806585709] [2024-11-23 00:55:00,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 00:55:00,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 00:55:00,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 00:55:00,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 00:55:00,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 00:55:00,055 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 21 states have internal predecessors, (26), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 00:55:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 00:55:00,072 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2024-11-23 00:55:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 00:55:00,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-23 00:55:00,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 00:55:00,078 INFO L225 Difference]: With dead ends: 43 [2024-11-23 00:55:00,078 INFO L226 Difference]: Without dead ends: 19 [2024-11-23 00:55:00,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 00:55:00,083 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 00:55:00,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 28 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 00:55:00,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-23 00:55:00,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-23 00:55:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-23 00:55:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-23 00:55:00,106 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 12 [2024-11-23 00:55:00,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 00:55:00,106 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-23 00:55:00,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 00:55:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-23 00:55:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-23 00:55:00,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:55:00,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:55:00,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 00:55:00,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:55:00,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:55:00,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1271116596, now seen corresponding path program 1 times [2024-11-23 00:55:00,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 00:55:00,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706572419] [2024-11-23 00:55:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:55:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 00:55:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:55:00,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 00:55:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:55:00,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 00:55:00,163 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 00:55:00,164 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 00:55:00,168 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 00:55:00,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 00:55:00,173 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 00:55:00,207 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 00:55:00,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:55:00 BoogieIcfgContainer [2024-11-23 00:55:00,209 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 00:55:00,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 00:55:00,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 00:55:00,210 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 00:55:00,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:59" (3/4) ... [2024-11-23 00:55:00,212 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 00:55:00,213 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 00:55:00,214 INFO L158 Benchmark]: Toolchain (without parser) took 1627.33ms. Allocated memory was 163.6MB in the beginning and 255.9MB in the end (delta: 92.3MB). Free memory was 105.4MB in the beginning and 218.7MB in the end (delta: -113.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:55:00,214 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:55:00,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.32ms. Allocated memory is still 163.6MB. Free memory was 105.4MB in the beginning and 102.1MB in the end (delta: 3.3MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-23 00:55:00,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.52ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 99.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:55:00,215 INFO L158 Benchmark]: Boogie Preprocessor took 30.39ms. Allocated memory is still 163.6MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 00:55:00,215 INFO L158 Benchmark]: RCFGBuilder took 275.56ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 83.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 00:55:00,216 INFO L158 Benchmark]: TraceAbstraction took 456.12ms. Allocated memory was 163.6MB in the beginning and 255.9MB in the end (delta: 92.3MB). Free memory was 82.4MB in the beginning and 219.1MB in the end (delta: -136.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-23 00:55:00,216 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 255.9MB. Free memory was 219.0MB in the beginning and 218.7MB in the end (delta: 365.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:55:00,218 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.32ms. Allocated memory is still 163.6MB. Free memory was 105.4MB in the beginning and 102.1MB in the end (delta: 3.3MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.52ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 99.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.39ms. Allocated memory is still 163.6MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.56ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 83.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 456.12ms. Allocated memory was 163.6MB in the beginning and 255.9MB in the end (delta: 92.3MB). Free memory was 82.4MB in the beginning and 219.1MB in the end (delta: -136.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 255.9MB. Free memory was 219.0MB in the beginning and 218.7MB in the end (delta: 365.9kB). 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 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] [L1552] COND TRUE globalFive==5 [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 28 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 [2024-11-23 00:55:00,270 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/CWE191_Integer_Underflow__int_fgets_multiply_14_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 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 00:55:02,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 00:55:02,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 00:55:02,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 00:55:02,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 00:55:02,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 00:55:02,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 00:55:02,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 00:55:02,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 00:55:02,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 00:55:02,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 00:55:02,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 00:55:02,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 00:55:02,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 00:55:02,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 00:55:02,240 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 00:55:02,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 00:55:02,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 00:55:02,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 00:55:02,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 00:55:02,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 00:55:02,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 00:55:02,243 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 00:55:02,243 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 00:55:02,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 00:55:02,246 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 00:55:02,246 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 00:55:02,246 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 00:55:02,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 00:55:02,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 00:55:02,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 00:55:02,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 00:55:02,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 00:55:02,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 00:55:02,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:55:02,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 00:55:02,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 00:55:02,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 00:55:02,248 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-23 00:55:02,248 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 00:55:02,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 00:55:02,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 00:55:02,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 00:55:02,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 00:55:02,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 [2024-11-23 00:55:02,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 00:55:02,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 00:55:02,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 00:55:02,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 00:55:02,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 00:55:02,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-23 00:55:03,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 00:55:04,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 00:55:04,041 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-23 00:55:04,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e97d22c/82d1a9e61d6049ff81d984bdab954a79/FLAG51ff9d01d [2024-11-23 00:55:04,074 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e97d22c/82d1a9e61d6049ff81d984bdab954a79 [2024-11-23 00:55:04,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 00:55:04,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 00:55:04,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 00:55:04,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 00:55:04,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 00:55:04,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57630830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04, skipping insertion in model container [2024-11-23 00:55:04,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 00:55:04,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:55:04,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 00:55:04,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:55:04,874 INFO L204 MainTranslator]: Completed translation [2024-11-23 00:55:04,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04 WrapperNode [2024-11-23 00:55:04,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 00:55:04,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 00:55:04,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 00:55:04,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 00:55:04,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,935 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-23 00:55:04,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 00:55:04,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 00:55:04,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 00:55:04,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 00:55:04,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,969 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]. [2024-11-23 00:55:04,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 00:55:04,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 00:55:04,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 00:55:04,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 00:55:04,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (1/1) ... [2024-11-23 00:55:04,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:55:05,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:55:05,021 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) [2024-11-23 00:55:05,023 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 [2024-11-23 00:55:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 00:55:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 00:55:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 00:55:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 00:55:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 00:55:05,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 00:55:05,182 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 00:55:05,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 00:55:05,313 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-23 00:55:05,313 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 00:55:05,329 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 00:55:05,331 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 00:55:05,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:05 BoogieIcfgContainer [2024-11-23 00:55:05,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 00:55:05,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 00:55:05,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 00:55:05,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 00:55:05,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:55:04" (1/3) ... [2024-11-23 00:55:05,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798583eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:55:05, skipping insertion in model container [2024-11-23 00:55:05,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:04" (2/3) ... [2024-11-23 00:55:05,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798583eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:55:05, skipping insertion in model container [2024-11-23 00:55:05,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:05" (3/3) ... [2024-11-23 00:55:05,339 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-23 00:55:05,352 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 00:55:05,352 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 00:55:05,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 00:55:05,414 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;@57fe842b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 00:55:05,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 00:55:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 21 states have internal predecessors, (26), 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) [2024-11-23 00:55:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-23 00:55:05,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:55:05,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:55:05,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:55:05,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:55:05,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1593866737, now seen corresponding path program 1 times [2024-11-23 00:55:05,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 00:55:05,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166888549] [2024-11-23 00:55:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:55:05,442 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 [2024-11-23 00:55:05,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 00:55:05,445 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) [2024-11-23 00:55:05,446 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 [2024-11-23 00:55:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 00:55:05,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 00:55:05,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 00:55:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 00:55:05,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 00:55:05,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-23 00:55:05,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166888549] [2024-11-23 00:55:05,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166888549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 00:55:05,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 00:55:05,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 00:55:05,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067991072] [2024-11-23 00:55:05,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 00:55:05,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 00:55:05,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-23 00:55:05,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 00:55:05,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 00:55:05,625 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 21 states have internal predecessors, (26), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 00:55:05,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 00:55:05,648 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2024-11-23 00:55:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 00:55:05,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-23 00:55:05,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 00:55:05,655 INFO L225 Difference]: With dead ends: 43 [2024-11-23 00:55:05,655 INFO L226 Difference]: Without dead ends: 19 [2024-11-23 00:55:05,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 00:55:05,662 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 00:55:05,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 28 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 00:55:05,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-23 00:55:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-23 00:55:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-23 00:55:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-23 00:55:05,690 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 12 [2024-11-23 00:55:05,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 00:55:05,692 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-23 00:55:05,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 00:55:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-23 00:55:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-23 00:55:05,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:55:05,693 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:55:05,698 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 [2024-11-23 00:55:05,896 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 [2024-11-23 00:55:05,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:55:05,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:55:05,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1271116596, now seen corresponding path program 1 times [2024-11-23 00:55:05,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 00:55:05,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829975201] [2024-11-23 00:55:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:55:05,900 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 [2024-11-23 00:55:05,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 00:55:05,903 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) [2024-11-23 00:55:05,904 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 [2024-11-23 00:55:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:55:05,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 00:55:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:55:06,033 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-23 00:55:06,035 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 00:55:06,039 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 00:55:06,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 00:55:06,046 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 [2024-11-23 00:55:06,241 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 [2024-11-23 00:55:06,244 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 00:55:06,282 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 00:55:06,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:55:06 BoogieIcfgContainer [2024-11-23 00:55:06,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 00:55:06,290 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 00:55:06,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 00:55:06,290 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 00:55:06,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:05" (3/4) ... [2024-11-23 00:55:06,292 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 00:55:06,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 00:55:06,295 INFO L158 Benchmark]: Toolchain (without parser) took 2217.16ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 29.1MB in the beginning and 70.0MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:55:06,308 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 41.9MB. Free memory was 18.6MB in the beginning and 18.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:55:06,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.70ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 29.0MB in the beginning and 37.2MB in the end (delta: -8.2MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-23 00:55:06,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.64ms. Allocated memory is still 79.7MB. Free memory was 37.2MB in the beginning and 34.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:55:06,309 INFO L158 Benchmark]: Boogie Preprocessor took 53.65ms. Allocated memory is still 79.7MB. Free memory was 34.0MB in the beginning and 31.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 00:55:06,309 INFO L158 Benchmark]: RCFGBuilder took 340.11ms. Allocated memory is still 79.7MB. Free memory was 31.4MB in the beginning and 41.9MB in the end (delta: -10.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-23 00:55:06,310 INFO L158 Benchmark]: TraceAbstraction took 952.40ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 41.4MB in the beginning and 70.7MB in the end (delta: -29.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-23 00:55:06,310 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 100.7MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:55:06,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 41.9MB. Free memory was 18.6MB in the beginning and 18.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.70ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 29.0MB in the beginning and 37.2MB in the end (delta: -8.2MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.64ms. Allocated memory is still 79.7MB. Free memory was 37.2MB in the beginning and 34.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.65ms. Allocated memory is still 79.7MB. Free memory was 34.0MB in the beginning and 31.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.11ms. Allocated memory is still 79.7MB. Free memory was 31.4MB in the beginning and 41.9MB in the end (delta: -10.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 952.40ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 41.4MB in the beginning and 70.7MB in the end (delta: -29.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 100.7MB. Free memory is still 70.0MB. 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 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] [L1552] COND TRUE globalFive==5 [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 28 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 2 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 [2024-11-23 00:55:06,335 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