./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_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:06:42,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:06:42,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 23:06:42,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:06:42,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:06:42,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:06:42,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:06:42,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:06:42,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:06:42,748 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:06:42,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:06:42,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:06:42,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:06:42,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:06:42,751 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:06:42,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:06:42,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:06:42,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:06:42,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:06:42,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:06:42,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:06:42,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:06:42,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:06:42,758 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:06:42,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:06:42,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:06:42,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:06:42,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:06:42,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:06:42,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:06:42,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:06:42,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:06:42,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:06:42,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:06:42,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:06:42,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:06:42,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:06:42,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:06:42,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:06:42,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:06:42,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:06:42,764 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce [2024-10-11 23:06:42,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:06:43,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:06:43,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:06:43,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:06:43,029 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:06:43,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2024-10-11 23:06:44,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:06:44,805 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:06:44,806 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2024-10-11 23:06:44,830 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3adfa221b/1314f6b4e5504703b338acb34a6339c6/FLAG3757969a1 [2024-10-11 23:06:44,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3adfa221b/1314f6b4e5504703b338acb34a6339c6 [2024-10-11 23:06:44,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:06:44,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:06:44,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:06:44,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:06:44,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:06:44,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:06:44" (1/1) ... [2024-10-11 23:06:44,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57390a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:44, skipping insertion in model container [2024-10-11 23:06:44,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:06:44" (1/1) ... [2024-10-11 23:06:44,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:06:45,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:06:45,680 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:06:45,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:06:45,978 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:06:45,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45 WrapperNode [2024-10-11 23:06:45,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:06:45,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:06:45,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:06:45,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:06:45,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,052 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-10-11 23:06:46,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:06:46,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:06:46,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:06:46,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:06:46,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,090 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:06:46,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:06:46,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:06:46,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:06:46,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:06:46,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (1/1) ... [2024-10-11 23:06:46,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:06:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:06:46,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:06:46,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:06:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:06:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:06:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:06:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:06:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:06:46,372 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:06:46,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:06:46,522 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-11 23:06:46,523 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:06:46,567 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:06:46,567 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:06:46,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:06:46 BoogieIcfgContainer [2024-10-11 23:06:46,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:06:46,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:06:46,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:06:46,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:06:46,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:06:44" (1/3) ... [2024-10-11 23:06:46,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5758cbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:06:46, skipping insertion in model container [2024-10-11 23:06:46,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:45" (2/3) ... [2024-10-11 23:06:46,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5758cbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:06:46, skipping insertion in model container [2024-10-11 23:06:46,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:06:46" (3/3) ... [2024-10-11 23:06:46,579 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2024-10-11 23:06:46,596 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:06:46,597 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 23:06:46,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:06:46,666 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;@6215c6ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:06:46,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 23:06:46,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 18 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 23:06:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 23:06:46,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:06:46,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:06:46,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 23:06:46,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:06:46,685 INFO L85 PathProgramCache]: Analyzing trace with hash 640385774, now seen corresponding path program 1 times [2024-10-11 23:06:46,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:06:46,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752174119] [2024-10-11 23:06:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:06:46,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:06:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:06:46,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 23:06:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:06:46,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 23:06:46,882 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 23:06:46,884 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-11 23:06:46,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-11 23:06:46,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:06:46,890 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 23:06:46,914 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:06:46,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:06:46 BoogieIcfgContainer [2024-10-11 23:06:46,920 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:06:46,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:06:46,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:06:46,920 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:06:46,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:06:46" (3/4) ... [2024-10-11 23:06:46,923 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 23:06:46,924 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:06:46,926 INFO L158 Benchmark]: Toolchain (without parser) took 2072.03ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 110.9MB in the beginning and 129.0MB in the end (delta: -18.2MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-10-11 23:06:46,926 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:06:46,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1124.44ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 110.9MB in the beginning and 167.3MB in the end (delta: -56.4MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-10-11 23:06:46,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.12ms. Allocated memory is still 224.4MB. Free memory was 167.3MB in the beginning and 164.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:06:46,929 INFO L158 Benchmark]: Boogie Preprocessor took 57.61ms. Allocated memory is still 224.4MB. Free memory was 164.2MB in the beginning and 162.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:06:46,931 INFO L158 Benchmark]: RCFGBuilder took 455.91ms. Allocated memory is still 224.4MB. Free memory was 162.1MB in the beginning and 147.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 23:06:46,931 INFO L158 Benchmark]: TraceAbstraction took 348.04ms. Allocated memory is still 224.4MB. Free memory was 146.3MB in the beginning and 130.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 23:06:46,932 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 224.4MB. Free memory was 130.1MB in the beginning and 129.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:06:46,935 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1124.44ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 110.9MB in the beginning and 167.3MB in the end (delta: -56.4MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.12ms. Allocated memory is still 224.4MB. Free memory was 167.3MB in the beginning and 164.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.61ms. Allocated memory is still 224.4MB. Free memory was 164.2MB in the beginning and 162.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.91ms. Allocated memory is still 224.4MB. Free memory was 162.1MB in the beginning and 147.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 348.04ms. Allocated memory is still 224.4MB. Free memory was 146.3MB in the beginning and 130.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 224.4MB. Free memory was 130.1MB in the beginning and 129.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] 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: 1565]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 11 NumberOfCodeBlocks, 11 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 [2024-10-11 23:06:46,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:06:49,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:06:49,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-11 23:06:49,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:06:49,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:06:49,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-11 23:06:49,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:06:49,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:06:49,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:06:49,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:06:49,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:06:49,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:06:49,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:06:49,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:06:49,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:06:49,329 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:06:49,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:06:49,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:06:49,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:06:49,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:06:49,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:06:49,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:06:49,335 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 23:06:49,335 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 23:06:49,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:06:49,336 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:06:49,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 23:06:49,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:06:49,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:06:49,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:06:49,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:06:49,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:06:49,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:06:49,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:06:49,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:06:49,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:06:49,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:06:49,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:06:49,345 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 23:06:49,345 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 23:06:49,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:06:49,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:06:49,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:06:49,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:06:49,346 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 23:06:49,346 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce [2024-10-11 23:06:49,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:06:49,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:06:49,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:06:49,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:06:49,710 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:06:49,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2024-10-11 23:06:51,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:06:51,659 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:06:51,660 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2024-10-11 23:06:51,688 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7272546ec/12ed202bad194137baac4294dfdcadf4/FLAG16edbe8e4 [2024-10-11 23:06:51,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7272546ec/12ed202bad194137baac4294dfdcadf4 [2024-10-11 23:06:51,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:06:51,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:06:51,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:06:51,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:06:51,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:06:51,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:06:51" (1/1) ... [2024-10-11 23:06:51,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5928daf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:51, skipping insertion in model container [2024-10-11 23:06:51,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:06:51" (1/1) ... [2024-10-11 23:06:51,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:06:52,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:06:52,514 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:06:52,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:06:52,729 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:06:52,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52 WrapperNode [2024-10-11 23:06:52,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:06:52,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:06:52,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:06:52,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:06:52,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,790 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-10-11 23:06:52,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:06:52,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:06:52,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:06:52,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:06:52,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,819 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:06:52,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:06:52,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:06:52,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:06:52,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:06:52,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (1/1) ... [2024-10-11 23:06:52,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:06:52,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:06:52,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:06:52,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:06:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:06:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:06:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:06:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:06:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:06:53,063 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:06:53,065 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:06:53,214 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-10-11 23:06:53,214 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:06:53,264 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:06:53,265 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:06:53,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:06:53 BoogieIcfgContainer [2024-10-11 23:06:53,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:06:53,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:06:53,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:06:53,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:06:53,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:06:51" (1/3) ... [2024-10-11 23:06:53,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c25e8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:06:53, skipping insertion in model container [2024-10-11 23:06:53,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:06:52" (2/3) ... [2024-10-11 23:06:53,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c25e8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:06:53, skipping insertion in model container [2024-10-11 23:06:53,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:06:53" (3/3) ... [2024-10-11 23:06:53,278 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2024-10-11 23:06:53,295 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:06:53,295 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 23:06:53,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:06:53,354 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;@783045a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:06:53,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 23:06:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 18 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 23:06:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 23:06:53,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:06:53,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:06:53,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 23:06:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:06:53,378 INFO L85 PathProgramCache]: Analyzing trace with hash 640385774, now seen corresponding path program 1 times [2024-10-11 23:06:53,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 23:06:53,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987916419] [2024-10-11 23:06:53,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:06:53,394 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 [2024-10-11 23:06:53,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 23:06:53,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 23:06:53,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 23:06:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:06:53,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 23:06:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:06:53,566 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-11 23:06:53,568 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 23:06:53,569 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-11 23:06:53,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-11 23:06:53,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 23:06:53,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 23:06:53,776 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 23:06:53,793 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:06:53,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:06:53 BoogieIcfgContainer [2024-10-11 23:06:53,796 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:06:53,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:06:53,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:06:53,797 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:06:53,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:06:53" (3/4) ... [2024-10-11 23:06:53,800 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 23:06:53,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:06:53,803 INFO L158 Benchmark]: Toolchain (without parser) took 2097.29ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 40.6MB in the beginning and 33.2MB in the end (delta: 7.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-10-11 23:06:53,803 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 50.3MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:06:53,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.92ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 47.2MB in the end (delta: -6.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-10-11 23:06:53,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.12ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 44.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:06:53,805 INFO L158 Benchmark]: Boogie Preprocessor took 52.74ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 41.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:06:53,805 INFO L158 Benchmark]: RCFGBuilder took 419.80ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 50.4MB in the end (delta: -8.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 23:06:53,806 INFO L158 Benchmark]: TraceAbstraction took 525.47ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 33.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 23:06:53,806 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 83.9MB. Free memory was 33.6MB in the beginning and 33.2MB in the end (delta: 484.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:06:53,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 50.3MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.92ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 47.2MB in the end (delta: -6.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.12ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 44.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.74ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 41.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.80ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 50.4MB in the end (delta: -8.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 525.47ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 33.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 83.9MB. Free memory was 33.6MB in the beginning and 33.2MB in the end (delta: 484.5kB). 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] 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: 1565]: 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, 22 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=22occurred 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, 11 NumberOfCodeBlocks, 11 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 [2024-10-11 23:06:53,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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