./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_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 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:56:03,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:56:03,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 06:56:03,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:56:03,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:56:03,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:56:03,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:56:03,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:56:03,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:56:03,477 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:56:03,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:56:03,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:56:03,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:56:03,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:56:03,480 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:56:03,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:56:03,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:56:03,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 06:56:03,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:56:03,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:56:03,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:56:03,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:56:03,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:56:03,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:56:03,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:56:03,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:56:03,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:56:03,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:56:03,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:56:03,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:56:03,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:56:03,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:56:03,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:56:03,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:56:03,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:56:03,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 06:56:03,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 06:56:03,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:56:03,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:56:03,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:56:03,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:56:03,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca [2024-11-17 06:56:03,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:56:03,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:56:03,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:56:03,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:56:03,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:56:03,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2024-11-17 06:56:04,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:56:05,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:56:05,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2024-11-17 06:56:05,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e10ed116/35b77563afee484ab98c6b77ff79b08f/FLAGb8807cb4c [2024-11-17 06:56:05,290 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e10ed116/35b77563afee484ab98c6b77ff79b08f [2024-11-17 06:56:05,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:56:05,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:56:05,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:56:05,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:56:05,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:56:05,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:56:05" (1/1) ... [2024-11-17 06:56:05,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b154c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:05, skipping insertion in model container [2024-11-17 06:56:05,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:56:05" (1/1) ... [2024-11-17 06:56:05,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:56:06,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:56:06,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:56:06,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:56:06,189 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:56:06,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06 WrapperNode [2024-11-17 06:56:06,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:56:06,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:56:06,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:56:06,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:56:06,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,238 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-11-17 06:56:06,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:56:06,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:56:06,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:56:06,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:56:06,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,258 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 06:56:06,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:56:06,269 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:56:06,269 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:56:06,269 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:56:06,270 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (1/1) ... [2024-11-17 06:56:06,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:56:06,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:56:06,297 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) [2024-11-17 06:56:06,299 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 [2024-11-17 06:56:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:56:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:56:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:56:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:56:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:56:06,485 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:56:06,487 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:56:06,576 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-17 06:56:06,576 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:56:06,588 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:56:06,592 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:56:06,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:06 BoogieIcfgContainer [2024-11-17 06:56:06,592 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:56:06,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:56:06,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:56:06,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:56:06,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:56:05" (1/3) ... [2024-11-17 06:56:06,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fdcb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:56:06, skipping insertion in model container [2024-11-17 06:56:06,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:06" (2/3) ... [2024-11-17 06:56:06,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fdcb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:56:06, skipping insertion in model container [2024-11-17 06:56:06,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:06" (3/3) ... [2024-11-17 06:56:06,600 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2024-11-17 06:56:06,617 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:56:06,617 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:56:06,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:56:06,681 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;@2b08f689, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:56:06,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:56:06,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 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) [2024-11-17 06:56:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 06:56:06,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:56:06,692 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:56:06,693 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:56:06,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:56:06,698 INFO L85 PathProgramCache]: Analyzing trace with hash -700336089, now seen corresponding path program 1 times [2024-11-17 06:56:06,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:56:06,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465403583] [2024-11-17 06:56:06,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:56:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:56:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:56:06,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:56:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:56:06,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 06:56:06,884 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:56:06,886 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:56:06,891 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:56:06,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 06:56:06,914 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 06:56:06,942 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:56:06,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:56:06 BoogieIcfgContainer [2024-11-17 06:56:06,946 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:56:06,947 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:56:06,947 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:56:06,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:56:06,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:06" (3/4) ... [2024-11-17 06:56:06,955 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:56:06,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:56:06,957 INFO L158 Benchmark]: Toolchain (without parser) took 1661.13ms. Allocated memory is still 192.9MB. Free memory was 120.2MB in the beginning and 158.4MB in the end (delta: -38.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:06,957 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 192.9MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:06,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 890.00ms. Allocated memory is still 192.9MB. Free memory was 119.9MB in the beginning and 116.5MB in the end (delta: 3.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-17 06:56:06,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.73ms. Allocated memory is still 192.9MB. Free memory was 116.5MB in the beginning and 113.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:56:06,959 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 192.9MB. Free memory was 113.5MB in the beginning and 111.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:56:06,960 INFO L158 Benchmark]: IcfgBuilder took 323.71ms. Allocated memory is still 192.9MB. Free memory was 111.2MB in the beginning and 98.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 06:56:06,961 INFO L158 Benchmark]: TraceAbstraction took 352.31ms. Allocated memory is still 192.9MB. Free memory was 98.9MB in the beginning and 158.4MB in the end (delta: -59.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-17 06:56:06,961 INFO L158 Benchmark]: Witness Printer took 9.02ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 158.4MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:56:06,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 192.9MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 890.00ms. Allocated memory is still 192.9MB. Free memory was 119.9MB in the beginning and 116.5MB in the end (delta: 3.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.73ms. Allocated memory is still 192.9MB. Free memory was 116.5MB in the beginning and 113.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 192.9MB. Free memory was 113.5MB in the beginning and 111.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 323.71ms. Allocated memory is still 192.9MB. Free memory was 111.2MB in the beginning and 98.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 352.31ms. Allocated memory is still 192.9MB. Free memory was 98.9MB in the beginning and 158.4MB in the end (delta: -59.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 9.02ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 158.4MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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] [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1554] data - 1 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 06:56:07,019 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_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 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:56:08,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:56:09,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 06:56:09,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:56:09,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:56:09,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 06:56:09,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:56:09,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:56:09,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:56:09,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:56:09,097 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:56:09,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:56:09,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:56:09,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:56:09,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:56:09,100 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:56:09,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:56:09,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:56:09,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:56:09,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:56:09,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:56:09,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:56:09,103 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 06:56:09,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 06:56:09,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:56:09,104 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:56:09,104 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 06:56:09,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:56:09,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:56:09,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:56:09,105 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:56:09,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:56:09,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:56:09,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:56:09,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:56:09,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:56:09,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:56:09,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:56:09,107 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 06:56:09,107 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 06:56:09,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:56:09,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:56:09,108 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:56:09,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:56:09,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca [2024-11-17 06:56:09,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:56:09,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:56:09,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:56:09,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:56:09,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:56:09,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2024-11-17 06:56:10,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:56:11,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:56:11,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2024-11-17 06:56:11,142 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34bb858b/64ac03682cff4242997c8cbb2e79323b/FLAGcb9c73ebe [2024-11-17 06:56:11,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34bb858b/64ac03682cff4242997c8cbb2e79323b [2024-11-17 06:56:11,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:56:11,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:56:11,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:56:11,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:56:11,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:56:11,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:56:11" (1/1) ... [2024-11-17 06:56:11,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b14cc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:11, skipping insertion in model container [2024-11-17 06:56:11,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:56:11" (1/1) ... [2024-11-17 06:56:11,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:56:12,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:56:12,156 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:56:12,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:56:12,327 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:56:12,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12 WrapperNode [2024-11-17 06:56:12,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:56:12,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:56:12,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:56:12,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:56:12,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,388 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-17 06:56:12,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:56:12,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:56:12,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:56:12,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:56:12,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,423 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 06:56:12,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:56:12,446 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:56:12,446 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:56:12,446 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:56:12,447 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (1/1) ... [2024-11-17 06:56:12,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:56:12,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:56:12,483 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) [2024-11-17 06:56:12,486 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 [2024-11-17 06:56:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:56:12,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:56:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:56:12,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:56:12,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:56:12,657 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:56:12,659 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:56:12,743 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-17 06:56:12,743 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:56:12,752 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:56:12,752 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:56:12,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:12 BoogieIcfgContainer [2024-11-17 06:56:12,753 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:56:12,755 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:56:12,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:56:12,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:56:12,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:56:11" (1/3) ... [2024-11-17 06:56:12,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4367ff73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:56:12, skipping insertion in model container [2024-11-17 06:56:12,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:56:12" (2/3) ... [2024-11-17 06:56:12,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4367ff73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:56:12, skipping insertion in model container [2024-11-17 06:56:12,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:12" (3/3) ... [2024-11-17 06:56:12,760 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2024-11-17 06:56:12,774 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:56:12,774 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:56:12,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:56:12,827 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;@4a095576, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:56:12,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:56:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 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) [2024-11-17 06:56:12,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 06:56:12,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:56:12,837 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:56:12,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:56:12,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:56:12,853 INFO L85 PathProgramCache]: Analyzing trace with hash -700336089, now seen corresponding path program 1 times [2024-11-17 06:56:12,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 06:56:12,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280611886] [2024-11-17 06:56:12,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:56:12,862 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 [2024-11-17 06:56:12,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 06:56:12,865 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) [2024-11-17 06:56:12,866 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 [2024-11-17 06:56:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:56:12,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:56:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:56:12,983 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 06:56:12,984 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:56:12,985 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:56:12,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:56:12,991 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 [2024-11-17 06:56:13,190 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 [2024-11-17 06:56:13,194 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 06:56:13,208 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:56:13,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:56:13 BoogieIcfgContainer [2024-11-17 06:56:13,211 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:56:13,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:56:13,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:56:13,211 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:56:13,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:56:12" (3/4) ... [2024-11-17 06:56:13,214 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:56:13,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:56:13,216 INFO L158 Benchmark]: Toolchain (without parser) took 1794.63ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.7MB in the beginning and 46.3MB in the end (delta: -4.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-17 06:56:13,216 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 69.2MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:13,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 906.11ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.5MB in the beginning and 53.1MB in the end (delta: -11.6MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-17 06:56:13,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.21ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 50.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:56:13,218 INFO L158 Benchmark]: Boogie Preprocessor took 56.47ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 47.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:56:13,219 INFO L158 Benchmark]: IcfgBuilder took 307.03ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 34.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 06:56:13,219 INFO L158 Benchmark]: TraceAbstraction took 455.38ms. Allocated memory is still 83.9MB. Free memory was 34.2MB in the beginning and 46.3MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:13,220 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 83.9MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:56:13,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 69.2MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 906.11ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.5MB in the beginning and 53.1MB in the end (delta: -11.6MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.21ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 50.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.47ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 47.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 307.03ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 34.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 455.38ms. Allocated memory is still 83.9MB. Free memory was 34.2MB in the beginning and 46.3MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 83.9MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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] [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1554] data - 1 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 06:56:13,245 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