./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_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 b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:03:28,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:03:28,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 23:03:28,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:03:28,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:03:28,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:03:28,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:03:28,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:03:28,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:03:28,870 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:03:28,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:03:28,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:03:28,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:03:28,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:03:28,874 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:03:28,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:03:28,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:03:28,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:03:28,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:03:28,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:03:28,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:03:28,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:03:28,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:03:28,881 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:03:28,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:03:28,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:03:28,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:03:28,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:03:28,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:03:28,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:03:28,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:03:28,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:03:28,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:03:28,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:03:28,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:03:28,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:03:28,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:03:28,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:03:28,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:03:28,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:03:28,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:03:28,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e [2024-10-14 23:03:29,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:03:29,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:03:29,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:03:29,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:03:29,178 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:03:29,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2024-10-14 23:03:30,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:03:31,071 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:03:31,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2024-10-14 23:03:31,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ae7e6ac/74090e16bb834aa78a4d73a7799df0be/FLAGe847e34d4 [2024-10-14 23:03:31,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ae7e6ac/74090e16bb834aa78a4d73a7799df0be [2024-10-14 23:03:31,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:03:31,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:03:31,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:03:31,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:03:31,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:03:31,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:31" (1/1) ... [2024-10-14 23:03:31,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ad2325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:31, skipping insertion in model container [2024-10-14 23:03:31,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:31" (1/1) ... [2024-10-14 23:03:31,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:03:31,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:03:31,982 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:03:32,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:03:32,279 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:03:32,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32 WrapperNode [2024-10-14 23:03:32,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:03:32,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:03:32,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:03:32,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:03:32,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,336 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-10-14 23:03:32,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:03:32,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:03:32,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:03:32,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:03:32,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,363 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:03:32,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:03:32,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:03:32,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:03:32,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:03:32,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (1/1) ... [2024-10-14 23:03:32,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:03:32,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:03:32,425 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) [2024-10-14 23:03:32,430 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 [2024-10-14 23:03:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:03:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:03:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:03:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:03:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:03:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-14 23:03:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-14 23:03:32,655 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:03:32,657 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:03:32,772 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 23:03:32,773 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:03:32,821 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:03:32,823 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:03:32,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:32 BoogieIcfgContainer [2024-10-14 23:03:32,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:03:32,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:03:32,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:03:32,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:03:32,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:03:31" (1/3) ... [2024-10-14 23:03:32,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b1f852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:03:32, skipping insertion in model container [2024-10-14 23:03:32,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:32" (2/3) ... [2024-10-14 23:03:32,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b1f852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:03:32, skipping insertion in model container [2024-10-14 23:03:32,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:32" (3/3) ... [2024-10-14 23:03:32,834 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2024-10-14 23:03:32,857 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:03:32,858 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:03:32,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:03:32,930 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;@550d7c3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:03:32,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 23:03:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 23:03:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 23:03:32,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:03:32,944 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:03:32,945 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 23:03:32,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:03:32,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1367194710, now seen corresponding path program 1 times [2024-10-14 23:03:32,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:03:32,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798577268] [2024-10-14 23:03:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:03:32,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:03:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:03:33,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:03:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:03:33,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 23:03:33,149 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:03:33,150 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 23:03:33,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 23:03:33,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:03:33,155 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-14 23:03:33,174 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:03:33,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:03:33 BoogieIcfgContainer [2024-10-14 23:03:33,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:03:33,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:03:33,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:03:33,178 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:03:33,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:32" (3/4) ... [2024-10-14 23:03:33,180 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 23:03:33,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:03:33,184 INFO L158 Benchmark]: Toolchain (without parser) took 2056.96ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 53.9MB in the end (delta: 45.3MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-10-14 23:03:33,184 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 157.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:03:33,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1151.58ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 90.9MB in the end (delta: 8.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-10-14 23:03:33,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.15ms. Allocated memory is still 157.3MB. Free memory was 90.9MB in the beginning and 87.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:03:33,187 INFO L158 Benchmark]: Boogie Preprocessor took 44.51ms. Allocated memory is still 157.3MB. Free memory was 87.4MB in the beginning and 86.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:03:33,187 INFO L158 Benchmark]: RCFGBuilder took 441.37ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 72.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 23:03:33,188 INFO L158 Benchmark]: TraceAbstraction took 351.04ms. Allocated memory is still 157.3MB. Free memory was 71.4MB in the beginning and 53.9MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 23:03:33,188 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 157.3MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:03:33,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 157.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1151.58ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 90.9MB in the end (delta: 8.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.15ms. Allocated memory is still 157.3MB. Free memory was 90.9MB in the beginning and 87.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.51ms. Allocated memory is still 157.3MB. Free memory was 87.4MB in the beginning and 86.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.37ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 72.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 351.04ms. Allocated memory is still 157.3MB. Free memory was 71.4MB in the beginning and 53.9MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 157.3MB. Free memory is still 53.9MB. 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: 1567]: 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 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data-- 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: 1567]: 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 3 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=23occurred 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, 18 NumberOfCodeBlocks, 18 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 [2024-10-14 23:03:33,221 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_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 b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:03:35,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:03:35,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 23:03:35,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:03:35,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:03:35,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 23:03:35,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:03:35,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:03:35,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:03:35,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:03:35,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:03:35,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:03:35,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:03:35,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:03:35,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:03:35,662 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:03:35,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:03:35,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:03:35,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:03:35,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:03:35,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:03:35,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:03:35,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 23:03:35,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 23:03:35,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:03:35,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:03:35,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 23:03:35,669 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:03:35,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:03:35,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:03:35,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:03:35,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:03:35,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:03:35,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:03:35,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:03:35,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:03:35,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:03:35,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:03:35,677 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 23:03:35,677 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 23:03:35,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:03:35,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:03:35,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:03:35,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:03:35,681 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 23:03:35,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e [2024-10-14 23:03:36,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:03:36,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:03:36,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:03:36,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:03:36,045 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:03:36,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2024-10-14 23:03:37,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:03:37,973 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:03:37,974 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2024-10-14 23:03:37,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73bd1e5c4/79d2f1f592824c1e8db9c758180f73c7/FLAG82cb02335 [2024-10-14 23:03:38,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73bd1e5c4/79d2f1f592824c1e8db9c758180f73c7 [2024-10-14 23:03:38,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:03:38,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:03:38,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:03:38,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:03:38,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:03:38,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:38" (1/1) ... [2024-10-14 23:03:38,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753ef7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:38, skipping insertion in model container [2024-10-14 23:03:38,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:38" (1/1) ... [2024-10-14 23:03:38,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:03:39,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:03:39,085 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:03:39,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:03:39,306 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:03:39,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39 WrapperNode [2024-10-14 23:03:39,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:03:39,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:03:39,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:03:39,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:03:39,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,378 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-10-14 23:03:39,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:03:39,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:03:39,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:03:39,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:03:39,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,409 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:03:39,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:03:39,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:03:39,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:03:39,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:03:39,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (1/1) ... [2024-10-14 23:03:39,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:03:39,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:03:39,472 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) [2024-10-14 23:03:39,474 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 [2024-10-14 23:03:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:03:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:03:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:03:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:03:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:03:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-14 23:03:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-14 23:03:39,662 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:03:39,665 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:03:39,817 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-14 23:03:39,818 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:03:39,860 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:03:39,860 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:03:39,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:39 BoogieIcfgContainer [2024-10-14 23:03:39,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:03:39,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:03:39,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:03:39,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:03:39,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:03:38" (1/3) ... [2024-10-14 23:03:39,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@967e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:03:39, skipping insertion in model container [2024-10-14 23:03:39,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:39" (2/3) ... [2024-10-14 23:03:39,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@967e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:03:39, skipping insertion in model container [2024-10-14 23:03:39,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:39" (3/3) ... [2024-10-14 23:03:39,885 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2024-10-14 23:03:39,903 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:03:39,904 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:03:39,973 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:03:39,980 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;@70ce4da3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:03:39,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 23:03:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 23:03:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 23:03:39,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:03:39,995 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:03:39,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 23:03:40,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:03:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1144390539, now seen corresponding path program 1 times [2024-10-14 23:03:40,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 23:03:40,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508918459] [2024-10-14 23:03:40,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:03:40,016 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 [2024-10-14 23:03:40,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 23:03:40,020 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) [2024-10-14 23:03:40,021 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 [2024-10-14 23:03:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:03:40,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:03:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:03:40,193 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 23:03:40,196 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:03:40,197 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 23:03:40,199 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 23:03:40,207 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 [2024-10-14 23:03:40,404 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 [2024-10-14 23:03:40,408 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-14 23:03:40,438 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:03:40,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:03:40 BoogieIcfgContainer [2024-10-14 23:03:40,441 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:03:40,442 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:03:40,442 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:03:40,442 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:03:40,443 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:39" (3/4) ... [2024-10-14 23:03:40,445 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 23:03:40,446 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:03:40,447 INFO L158 Benchmark]: Toolchain (without parser) took 2431.45ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 25.1MB in the end (delta: 8.2MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-10-14 23:03:40,448 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 48.2MB. Free memory was 23.3MB in the beginning and 23.2MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:03:40,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1291.03ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.0MB in the beginning and 32.0MB in the end (delta: 1.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-10-14 23:03:40,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.03ms. Allocated memory is still 71.3MB. Free memory was 32.0MB in the beginning and 28.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:03:40,449 INFO L158 Benchmark]: Boogie Preprocessor took 61.65ms. Allocated memory is still 71.3MB. Free memory was 28.8MB in the beginning and 42.9MB in the end (delta: -14.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-10-14 23:03:40,450 INFO L158 Benchmark]: RCFGBuilder took 420.69ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 27.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 23:03:40,450 INFO L158 Benchmark]: TraceAbstraction took 565.11ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 25.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 23:03:40,450 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 71.3MB. Free memory is still 25.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:03:40,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 48.2MB. Free memory was 23.3MB in the beginning and 23.2MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1291.03ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.0MB in the beginning and 32.0MB in the end (delta: 1.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.03ms. Allocated memory is still 71.3MB. Free memory was 32.0MB in the beginning and 28.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.65ms. Allocated memory is still 71.3MB. Free memory was 28.8MB in the beginning and 42.9MB in the end (delta: -14.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * RCFGBuilder took 420.69ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 27.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 565.11ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 25.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 71.3MB. Free memory is still 25.1MB. 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: 1567]: 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 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data-- 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: 1567]: 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 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, 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, 16 NumberOfCodeBlocks, 16 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 [2024-10-14 23:03:40,486 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