./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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_postdec_45_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 492bc6b7bce2acd73498001b05cbf9778ce24cd258715b7394fc1852ad091962 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:34:37,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:34:37,377 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 21:34:37,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:34:37,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:34:37,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:34:37,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:34:37,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:34:37,411 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:34:37,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:34:37,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:34:37,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:34:37,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:34:37,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:34:37,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:34:37,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:34:37,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:34:37,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:34:37,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:34:37,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:34:37,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:34:37,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:34:37,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:34:37,420 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:34:37,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:34:37,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:34:37,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:34:37,421 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:34:37,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:34:37,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:34:37,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:34:37,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:34:37,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:34:37,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:34:37,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:34:37,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:34:37,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:34:37,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:34:37,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:34:37,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:34:37,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:34:37,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 492bc6b7bce2acd73498001b05cbf9778ce24cd258715b7394fc1852ad091962 [2024-11-10 21:34:37,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:34:37,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:34:37,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:34:37,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:34:37,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:34:37,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_45_bad.i [2024-11-10 21:34:38,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:34:39,188 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:34:39,188 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_45_bad.i [2024-11-10 21:34:39,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ae2e71e0/6f81a9d1b88548e1b95a867472ff8a66/FLAGb192f28d1 [2024-11-10 21:34:39,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ae2e71e0/6f81a9d1b88548e1b95a867472ff8a66 [2024-11-10 21:34:39,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:34:39,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:34:39,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:34:39,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:34:39,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:34:39,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:39,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e60a72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39, skipping insertion in model container [2024-11-10 21:34:39,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:39,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:34:39,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:34:39,837 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:34:39,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:34:39,999 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:34:39,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39 WrapperNode [2024-11-10 21:34:39,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:34:40,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:34:40,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:34:40,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:34:40,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,062 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-11-10 21:34:40,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:34:40,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:34:40,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:34:40,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:34:40,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,078 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,093 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 21:34:40,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:34:40,112 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:34:40,112 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:34:40,112 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:34:40,114 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (1/1) ... [2024-11-10 21:34:40,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:34:40,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:34:40,143 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) [2024-11-10 21:34:40,145 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 [2024-11-10 21:34:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:34:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:34:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:34:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:34:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:34:40,297 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:34:40,299 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:34:40,397 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-10 21:34:40,397 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:34:40,408 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:34:40,408 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:34:40,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:34:40 BoogieIcfgContainer [2024-11-10 21:34:40,409 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:34:40,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:34:40,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:34:40,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:34:40,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:34:39" (1/3) ... [2024-11-10 21:34:40,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c9d2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:34:40, skipping insertion in model container [2024-11-10 21:34:40,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:39" (2/3) ... [2024-11-10 21:34:40,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c9d2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:34:40, skipping insertion in model container [2024-11-10 21:34:40,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:34:40" (3/3) ... [2024-11-10 21:34:40,417 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_45_bad.i [2024-11-10 21:34:40,432 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:34:40,432 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:34:40,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:34:40,502 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;@3cf4cd5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:34:40,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:34:40,507 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) [2024-11-10 21:34:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 21:34:40,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:34:40,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:34:40,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:34:40,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:34:40,520 INFO L85 PathProgramCache]: Analyzing trace with hash 122524457, now seen corresponding path program 1 times [2024-11-10 21:34:40,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:34:40,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559668385] [2024-11-10 21:34:40,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:34:40,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:34:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:34:40,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:34:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:34:40,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 21:34:40,683 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:34:40,684 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:34:40,686 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:34:40,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:34:40,690 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:34:40,709 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:34:40,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:34:40 BoogieIcfgContainer [2024-11-10 21:34:40,712 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:34:40,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:34:40,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:34:40,712 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:34:40,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:34:40" (3/4) ... [2024-11-10 21:34:40,715 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:34:40,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:34:40,719 INFO L158 Benchmark]: Toolchain (without parser) took 1471.77ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 116.0MB in the beginning and 149.3MB in the end (delta: -33.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-10 21:34:40,719 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 100.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:34:40,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.39ms. Allocated memory is still 146.8MB. Free memory was 115.8MB in the beginning and 55.2MB in the end (delta: 60.6MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-11-10 21:34:40,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.68ms. Allocated memory is still 146.8MB. Free memory was 55.2MB in the beginning and 52.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:34:40,721 INFO L158 Benchmark]: Boogie Preprocessor took 48.07ms. Allocated memory is still 146.8MB. Free memory was 52.7MB in the beginning and 51.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:34:40,722 INFO L158 Benchmark]: IcfgBuilder took 297.96ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 51.0MB in the beginning and 166.0MB in the end (delta: -115.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-10 21:34:40,723 INFO L158 Benchmark]: TraceAbstraction took 299.69ms. Allocated memory is still 205.5MB. Free memory was 166.0MB in the beginning and 149.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 21:34:40,723 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 205.5MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:34:40,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 100.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.39ms. Allocated memory is still 146.8MB. Free memory was 115.8MB in the beginning and 55.2MB in the end (delta: 60.6MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.68ms. Allocated memory is still 146.8MB. Free memory was 55.2MB in the beginning and 52.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.07ms. Allocated memory is still 146.8MB. Free memory was 52.7MB in the beginning and 51.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 297.96ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 51.0MB in the beginning and 166.0MB in the end (delta: -115.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 299.69ms. Allocated memory is still 205.5MB. Free memory was 166.0MB in the beginning and 149.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 205.5MB. Free memory is still 149.3MB. 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_fscanf_postdec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: 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 [2024-11-10 21:34:40,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_45_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 492bc6b7bce2acd73498001b05cbf9778ce24cd258715b7394fc1852ad091962 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:34:42,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:34:42,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 21:34:42,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:34:42,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:34:42,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 21:34:42,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:34:42,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:34:42,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:34:42,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:34:42,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:34:42,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:34:42,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:34:42,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:34:42,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:34:42,759 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:34:42,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:34:42,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:34:42,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:34:42,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:34:42,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:34:42,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:34:42,761 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 21:34:42,768 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 21:34:42,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:34:42,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:34:42,769 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 21:34:42,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:34:42,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:34:42,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:34:42,770 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:34:42,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:34:42,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:34:42,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:34:42,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:34:42,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:34:42,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:34:42,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:34:42,772 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 21:34:42,772 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 21:34:42,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:34:42,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:34:42,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:34:42,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:34:42,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 492bc6b7bce2acd73498001b05cbf9778ce24cd258715b7394fc1852ad091962 [2024-11-10 21:34:43,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:34:43,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:34:43,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:34:43,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:34:43,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:34:43,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_45_bad.i [2024-11-10 21:34:44,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:34:44,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:34:44,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_45_bad.i [2024-11-10 21:34:44,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42428004/190c124ec09b4590ad1a26e19933192c/FLAGaa3929435 [2024-11-10 21:34:44,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42428004/190c124ec09b4590ad1a26e19933192c [2024-11-10 21:34:44,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:34:44,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:34:44,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:34:44,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:34:44,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:34:44,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:34:44" (1/1) ... [2024-11-10 21:34:44,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f18271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:44, skipping insertion in model container [2024-11-10 21:34:44,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:34:44" (1/1) ... [2024-11-10 21:34:44,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:34:45,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:34:45,676 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:34:45,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:34:45,864 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:34:45,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45 WrapperNode [2024-11-10 21:34:45,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:34:45,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:34:45,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:34:45,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:34:45,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,933 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-10 21:34:45,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:34:45,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:34:45,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:34:45,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:34:45,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,954 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,968 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 21:34:45,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:34:45,990 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:34:45,990 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:34:45,990 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:34:45,991 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (1/1) ... [2024-11-10 21:34:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:34:46,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:34:46,023 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) [2024-11-10 21:34:46,026 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 [2024-11-10 21:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:34:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:34:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:34:46,210 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:34:46,212 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:34:46,308 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-10 21:34:46,308 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:34:46,319 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:34:46,319 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:34:46,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:34:46 BoogieIcfgContainer [2024-11-10 21:34:46,320 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:34:46,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:34:46,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:34:46,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:34:46,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:34:44" (1/3) ... [2024-11-10 21:34:46,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1909eba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:34:46, skipping insertion in model container [2024-11-10 21:34:46,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:45" (2/3) ... [2024-11-10 21:34:46,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1909eba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:34:46, skipping insertion in model container [2024-11-10 21:34:46,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:34:46" (3/3) ... [2024-11-10 21:34:46,329 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_45_bad.i [2024-11-10 21:34:46,343 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:34:46,343 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:34:46,389 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:34:46,395 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;@8c1e1e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:34:46,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:34:46,398 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) [2024-11-10 21:34:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 21:34:46,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:34:46,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:34:46,406 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:34:46,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:34:46,410 INFO L85 PathProgramCache]: Analyzing trace with hash 122524457, now seen corresponding path program 1 times [2024-11-10 21:34:46,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:34:46,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809451944] [2024-11-10 21:34:46,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:34:46,420 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 [2024-11-10 21:34:46,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:34:46,423 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) [2024-11-10 21:34:46,424 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 [2024-11-10 21:34:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:34:46,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:34:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:34:46,584 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 21:34:46,585 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:34:46,586 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:34:46,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:34:46,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-10 21:34:46,791 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 [2024-11-10 21:34:46,795 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:34:46,821 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:34:46,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:34:46 BoogieIcfgContainer [2024-11-10 21:34:46,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:34:46,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:34:46,826 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:34:46,827 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:34:46,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:34:46" (3/4) ... [2024-11-10 21:34:46,829 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:34:46,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:34:46,831 INFO L158 Benchmark]: Toolchain (without parser) took 1920.92ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 31.1MB in the beginning and 50.3MB in the end (delta: -19.2MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-10 21:34:46,832 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 46.1MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:34:46,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.32ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 30.9MB in the beginning and 36.3MB in the end (delta: -5.4MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-10 21:34:46,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.37ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 33.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:34:46,833 INFO L158 Benchmark]: Boogie Preprocessor took 55.02ms. Allocated memory is still 83.9MB. Free memory was 33.0MB in the beginning and 55.7MB in the end (delta: -22.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-10 21:34:46,834 INFO L158 Benchmark]: IcfgBuilder took 330.50ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 42.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 21:34:46,835 INFO L158 Benchmark]: TraceAbstraction took 502.34ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 50.8MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:34:46,836 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 50.3MB in the end (delta: 500.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:34:46,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 46.1MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 954.32ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 30.9MB in the beginning and 36.3MB in the end (delta: -5.4MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.37ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 33.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.02ms. Allocated memory is still 83.9MB. Free memory was 33.0MB in the beginning and 55.7MB in the end (delta: -22.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * IcfgBuilder took 330.50ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 42.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 502.34ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 50.8MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 50.3MB in the end (delta: 500.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_fscanf_postdec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_45_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: 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 [2024-11-10 21:34:46,867 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample