./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:10:28,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:10:28,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:10:28,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:10:28,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:10:28,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:10:28,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:10:28,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:10:28,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:10:28,598 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:10:28,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:10:28,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:10:28,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:10:28,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:10:28,603 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:10:28,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:10:28,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:10:28,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:10:28,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:10:28,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:10:28,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:10:28,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:10:28,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:10:28,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:10:28,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:10:28,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:10:28,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:10:28,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:10:28,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:10:28,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:10:28,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:10:28,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:10:28,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:10:28,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:10:28,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:10:28,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:10:28,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:10:28,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:10:28,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:10:28,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:10:28,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:10:28,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2024-11-19 13:10:28,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:10:28,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:10:28,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:10:28,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:10:28,881 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:10:28,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-19 13:10:30,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:10:30,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:10:30,614 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-19 13:10:30,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c8bda85/6e337eb863bf42378d243754df0c694d/FLAGaa4790e9f [2024-11-19 13:10:30,658 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c8bda85/6e337eb863bf42378d243754df0c694d [2024-11-19 13:10:30,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:10:30,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:10:30,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:10:30,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:10:30,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:10:30,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:10:30" (1/1) ... [2024-11-19 13:10:30,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51637038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:30, skipping insertion in model container [2024-11-19 13:10:30,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:10:30" (1/1) ... [2024-11-19 13:10:30,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:10:31,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:10:31,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:10:31,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:10:31,688 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:10:31,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31 WrapperNode [2024-11-19 13:10:31,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:10:31,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:10:31,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:10:31,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:10:31,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,784 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2024-11-19 13:10:31,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:10:31,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:10:31,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:10:31,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:10:31,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,816 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:10:31,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:10:31,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:10:31,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:10:31,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:10:31,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (1/1) ... [2024-11-19 13:10:31,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:10:31,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:10:31,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:10:31,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:10:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:10:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:10:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:10:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:10:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:10:32,086 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:10:32,090 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:10:32,218 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-19 13:10:32,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:10:32,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:10:32,234 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:10:32,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:32 BoogieIcfgContainer [2024-11-19 13:10:32,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:10:32,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:10:32,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:10:32,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:10:32,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:10:30" (1/3) ... [2024-11-19 13:10:32,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730b5f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:10:32, skipping insertion in model container [2024-11-19 13:10:32,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:31" (2/3) ... [2024-11-19 13:10:32,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730b5f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:10:32, skipping insertion in model container [2024-11-19 13:10:32,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:32" (3/3) ... [2024-11-19 13:10:32,246 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-19 13:10:32,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:10:32,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:10:32,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:10:32,334 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;@10d50173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:10:32,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:10:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:10:32,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 13:10:32,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:10:32,348 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:10:32,348 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:10:32,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:10:32,353 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-19 13:10:32,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:10:32,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133090061] [2024-11-19 13:10:32,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:10:32,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:10:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:10:32,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:10:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:10:32,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:10:32,523 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:10:32,525 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:10:32,529 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:10:32,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:10:32,537 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:10:32,558 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:10:32,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:10:32 BoogieIcfgContainer [2024-11-19 13:10:32,563 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:10:32,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:10:32,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:10:32,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:10:32,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:32" (3/4) ... [2024-11-19 13:10:32,567 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:10:32,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:10:32,570 INFO L158 Benchmark]: Toolchain (without parser) took 1907.12ms. Allocated memory was 169.9MB in the beginning and 255.9MB in the end (delta: 86.0MB). Free memory was 112.3MB in the beginning and 191.5MB in the end (delta: -79.2MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:32,571 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 133.6MB in the end (delta: 235.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:32,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1022.07ms. Allocated memory is still 169.9MB. Free memory was 112.3MB in the beginning and 46.6MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-19 13:10:32,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.75ms. Allocated memory was 169.9MB in the beginning and 255.9MB in the end (delta: 86.0MB). Free memory was 46.6MB in the beginning and 223.1MB in the end (delta: -176.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-19 13:10:32,574 INFO L158 Benchmark]: Boogie Preprocessor took 48.59ms. Allocated memory is still 255.9MB. Free memory was 223.1MB in the beginning and 221.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:32,575 INFO L158 Benchmark]: RCFGBuilder took 401.35ms. Allocated memory is still 255.9MB. Free memory was 221.0MB in the beginning and 208.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:10:32,575 INFO L158 Benchmark]: TraceAbstraction took 324.96ms. Allocated memory is still 255.9MB. Free memory was 207.4MB in the beginning and 191.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:10:32,575 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 255.9MB. Free memory is still 191.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:32,580 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 133.6MB in the end (delta: 235.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1022.07ms. Allocated memory is still 169.9MB. Free memory was 112.3MB in the beginning and 46.6MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.75ms. Allocated memory was 169.9MB in the beginning and 255.9MB in the end (delta: 86.0MB). Free memory was 46.6MB in the beginning and 223.1MB in the end (delta: -176.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.59ms. Allocated memory is still 255.9MB. Free memory was 223.1MB in the beginning and 221.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.35ms. Allocated memory is still 255.9MB. Free memory was 221.0MB in the beginning and 208.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 324.96ms. Allocated memory is still 255.9MB. Free memory was 207.4MB in the beginning and 191.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 255.9MB. Free memory is still 191.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 [2024-11-19 13:10:32,612 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_52_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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:10:34,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:10:34,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:10:34,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:10:34,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:10:34,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:10:34,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:10:34,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:10:34,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:10:34,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:10:34,908 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:10:34,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:10:34,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:10:34,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:10:34,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:10:34,911 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:10:34,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:10:34,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:10:34,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:10:34,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:10:34,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:10:34,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:10:34,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:10:34,915 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:10:34,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:10:34,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:10:34,916 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:10:34,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:10:34,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:10:34,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:10:34,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:10:34,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:10:34,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:10:34,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:10:34,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:10:34,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:10:34,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:10:34,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:10:34,920 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:10:34,921 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:10:34,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:10:34,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:10:34,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:10:34,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:10:34,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2024-11-19 13:10:35,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:10:35,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:10:35,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:10:35,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:10:35,290 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:10:35,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-19 13:10:36,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:10:37,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:10:37,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-19 13:10:37,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b72ec03/256d6c112abe4ee6a57cb5774f5d495d/FLAG1e5c5624e [2024-11-19 13:10:37,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b72ec03/256d6c112abe4ee6a57cb5774f5d495d [2024-11-19 13:10:37,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:10:37,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:10:37,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:10:37,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:10:37,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:10:37,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:10:37" (1/1) ... [2024-11-19 13:10:37,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1310dc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:37, skipping insertion in model container [2024-11-19 13:10:37,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:10:37" (1/1) ... [2024-11-19 13:10:37,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:10:38,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:10:38,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:10:38,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:10:38,355 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:10:38,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38 WrapperNode [2024-11-19 13:10:38,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:10:38,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:10:38,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:10:38,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:10:38,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,423 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-19 13:10:38,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:10:38,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:10:38,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:10:38,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:10:38,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,446 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:10:38,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:10:38,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:10:38,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:10:38,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:10:38,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (1/1) ... [2024-11-19 13:10:38,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:10:38,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:10:38,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:10:38,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:10:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:10:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:10:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:10:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:10:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:10:38,688 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:10:38,690 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:10:38,806 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-19 13:10:38,807 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:10:38,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:10:38,817 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:10:38,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:38 BoogieIcfgContainer [2024-11-19 13:10:38,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:10:38,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:10:38,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:10:38,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:10:38,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:10:37" (1/3) ... [2024-11-19 13:10:38,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40be49e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:10:38, skipping insertion in model container [2024-11-19 13:10:38,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:38" (2/3) ... [2024-11-19 13:10:38,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40be49e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:10:38, skipping insertion in model container [2024-11-19 13:10:38,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:38" (3/3) ... [2024-11-19 13:10:38,824 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-19 13:10:38,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:10:38,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:10:38,885 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:10:38,890 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;@2f6ef28b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:10:38,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:10:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:10:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 13:10:38,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:10:38,898 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:10:38,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:10:38,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:10:38,903 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-19 13:10:38,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:10:38,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333479063] [2024-11-19 13:10:38,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:10:38,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:10:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:10:38,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:10:38,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 13:10:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:10:39,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:10:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:10:39,096 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:10:39,099 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:10:39,100 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:10:39,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:10:39,108 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 [2024-11-19 13:10:39,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:10:39,306 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:10:39,324 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:10:39,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:10:39 BoogieIcfgContainer [2024-11-19 13:10:39,329 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:10:39,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:10:39,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:10:39,331 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:10:39,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:38" (3/4) ... [2024-11-19 13:10:39,334 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:10:39,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:10:39,337 INFO L158 Benchmark]: Toolchain (without parser) took 2140.56ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.5MB in the beginning and 33.6MB in the end (delta: 11.9MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-19 13:10:39,337 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:39,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1159.50ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.2MB in the beginning and 48.0MB in the end (delta: -2.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-19 13:10:39,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.57ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 44.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:39,339 INFO L158 Benchmark]: Boogie Preprocessor took 37.89ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:10:39,340 INFO L158 Benchmark]: RCFGBuilder took 354.67ms. Allocated memory is still 81.8MB. Free memory was 42.1MB in the beginning and 50.3MB in the end (delta: -8.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:39,340 INFO L158 Benchmark]: TraceAbstraction took 510.22ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 34.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 13:10:39,341 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 81.8MB. Free memory was 34.0MB in the beginning and 33.6MB in the end (delta: 471.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:39,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1159.50ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.2MB in the beginning and 48.0MB in the end (delta: -2.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.57ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 44.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.89ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 354.67ms. Allocated memory is still 81.8MB. Free memory was 42.1MB in the beginning and 50.3MB in the end (delta: -8.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 510.22ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 34.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 81.8MB. Free memory was 34.0MB in the beginning and 33.6MB in the end (delta: 471.0kB). 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: 1572]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 [2024-11-19 13:10:39,374 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