./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_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 7dac141f7a29cf4c6bd33712d19d4f734e6de14d1a46ab86d0fb77fc6a3eb929 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:09:18,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:09:18,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:09:18,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:09:18,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:09:18,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:09:18,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:09:18,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:09:18,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:09:18,747 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:09:18,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:09:18,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:09:18,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:09:18,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:09:18,750 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:09:18,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:09:18,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:09:18,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:09:18,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:09:18,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:09:18,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:09:18,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:09:18,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:09:18,755 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:09:18,755 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:09:18,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:09:18,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:09:18,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:09:18,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:09:18,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:09:18,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:09:18,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:09:18,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:09:18,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:09:18,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:09:18,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:09:18,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:09:18,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:09:18,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:09:18,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:09:18,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:09:18,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dac141f7a29cf4c6bd33712d19d4f734e6de14d1a46ab86d0fb77fc6a3eb929 [2024-11-19 13:09:18,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:09:19,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:09:19,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:09:19,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:09:19,009 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:09:19,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i [2024-11-19 13:09:20,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:09:20,666 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:09:20,666 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i [2024-11-19 13:09:20,686 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7410b37c5/299df0809c954a56a5c72faeb3d82190/FLAG38adfa37c [2024-11-19 13:09:20,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7410b37c5/299df0809c954a56a5c72faeb3d82190 [2024-11-19 13:09:20,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:09:20,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:09:20,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:09:20,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:09:20,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:09:20,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:09:20" (1/1) ... [2024-11-19 13:09:20,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74be1683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:20, skipping insertion in model container [2024-11-19 13:09:20,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:09:20" (1/1) ... [2024-11-19 13:09:20,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:09:21,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:09:21,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:09:21,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:09:21,547 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:09:21,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21 WrapperNode [2024-11-19 13:09:21,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:09:21,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:09:21,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:09:21,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:09:21,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,606 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-19 13:09:21,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:09:21,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:09:21,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:09:21,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:09:21,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,634 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:09:21,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:09:21,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:09:21,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:09:21,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:09:21,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (1/1) ... [2024-11-19 13:09:21,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:09:21,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:09:21,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:09:21,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:09:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:09:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:09:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:09:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:09:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:09:21,863 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:09:21,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:09:21,937 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-19 13:09:21,937 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:09:21,947 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:09:21,947 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:09:21,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:21 BoogieIcfgContainer [2024-11-19 13:09:21,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:09:21,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:09:21,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:09:21,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:09:21,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:09:20" (1/3) ... [2024-11-19 13:09:21,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38920920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:09:21, skipping insertion in model container [2024-11-19 13:09:21,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:21" (2/3) ... [2024-11-19 13:09:21,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38920920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:09:21, skipping insertion in model container [2024-11-19 13:09:21,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:21" (3/3) ... [2024-11-19 13:09:21,955 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i [2024-11-19 13:09:21,968 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:09:21,968 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:09:22,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:09:22,012 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;@1190d134, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:09:22,012 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:09:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:09:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 13:09:22,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:09:22,022 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:09:22,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:09:22,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:09:22,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-19 13:09:22,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:09:22,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228095992] [2024-11-19 13:09:22,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:09:22,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:09:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:09:22,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:09:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:09:22,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:09:22,187 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:09:22,188 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:09:22,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:09:22,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:09:22,193 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:09:22,213 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:09:22,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:09:22 BoogieIcfgContainer [2024-11-19 13:09:22,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:09:22,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:09:22,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:09:22,218 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:09:22,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:21" (3/4) ... [2024-11-19 13:09:22,220 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:09:22,221 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:09:22,222 INFO L158 Benchmark]: Toolchain (without parser) took 1513.62ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 80.9MB in the end (delta: 30.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-19 13:09:22,222 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:22,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.84ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 115.6MB in the end (delta: -4.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-11-19 13:09:22,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.09ms. Allocated memory is still 184.5MB. Free memory was 115.6MB in the beginning and 112.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:09:22,224 INFO L158 Benchmark]: Boogie Preprocessor took 43.84ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 111.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:22,224 INFO L158 Benchmark]: RCFGBuilder took 296.38ms. Allocated memory is still 184.5MB. Free memory was 110.3MB in the beginning and 97.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:09:22,225 INFO L158 Benchmark]: TraceAbstraction took 266.10ms. Allocated memory is still 184.5MB. Free memory was 96.8MB in the beginning and 80.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:09:22,225 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 184.5MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:22,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.84ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 115.6MB in the end (delta: -4.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.09ms. Allocated memory is still 184.5MB. Free memory was 115.6MB in the beginning and 112.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.84ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 111.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.38ms. Allocated memory is still 184.5MB. Free memory was 110.3MB in the beginning and 97.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 266.10ms. Allocated memory is still 184.5MB. Free memory was 96.8MB in the beginning and 80.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 184.5MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 2.6kB). 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: 1559]: 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 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] --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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:09:22,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_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 7dac141f7a29cf4c6bd33712d19d4f734e6de14d1a46ab86d0fb77fc6a3eb929 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:09:24,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:09:24,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:09:24,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:09:24,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:09:24,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:09:24,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:09:24,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:09:24,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:09:24,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:09:24,699 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:09:24,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:09:24,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:09:24,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:09:24,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:09:24,703 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:09:24,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:09:24,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:09:24,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:09:24,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:09:24,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:09:24,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:09:24,704 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:09:24,704 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:09:24,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:09:24,705 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:09:24,705 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:09:24,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:09:24,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:09:24,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:09:24,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:09:24,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:09:24,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:09:24,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:09:24,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:09:24,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:09:24,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:09:24,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:09:24,707 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:09:24,707 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:09:24,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:09:24,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:09:24,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:09:24,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:09:24,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dac141f7a29cf4c6bd33712d19d4f734e6de14d1a46ab86d0fb77fc6a3eb929 [2024-11-19 13:09:24,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:09:24,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:09:24,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:09:24,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:09:24,997 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:09:24,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i [2024-11-19 13:09:26,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:09:26,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:09:26,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i [2024-11-19 13:09:26,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ee61248/3cc14bf51ad940cc9362ca9a3b9c0d69/FLAG5ab0e98e2 [2024-11-19 13:09:26,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ee61248/3cc14bf51ad940cc9362ca9a3b9c0d69 [2024-11-19 13:09:26,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:09:26,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:09:26,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:09:26,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:09:26,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:09:26,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:09:26" (1/1) ... [2024-11-19 13:09:26,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f3a622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:26, skipping insertion in model container [2024-11-19 13:09:26,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:09:26" (1/1) ... [2024-11-19 13:09:26,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:09:27,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:09:27,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:09:27,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:09:27,581 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:09:27,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27 WrapperNode [2024-11-19 13:09:27,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:09:27,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:09:27,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:09:27,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:09:27,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,633 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-19 13:09:27,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:09:27,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:09:27,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:09:27,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:09:27,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,645 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,659 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:09:27,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:09:27,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:09:27,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:09:27,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:09:27,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (1/1) ... [2024-11-19 13:09:27,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:09:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:09:27,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:09:27,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:09:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:09:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:09:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:09:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:09:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:09:27,879 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:09:27,881 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:09:27,999 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-19 13:09:28,000 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:09:28,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:09:28,010 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:09:28,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:28 BoogieIcfgContainer [2024-11-19 13:09:28,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:09:28,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:09:28,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:09:28,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:09:28,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:09:26" (1/3) ... [2024-11-19 13:09:28,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39400d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:09:28, skipping insertion in model container [2024-11-19 13:09:28,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:09:27" (2/3) ... [2024-11-19 13:09:28,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39400d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:09:28, skipping insertion in model container [2024-11-19 13:09:28,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:28" (3/3) ... [2024-11-19 13:09:28,019 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i [2024-11-19 13:09:28,032 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:09:28,032 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:09:28,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:09:28,089 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;@3de065ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:09:28,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:09:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:09:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 13:09:28,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:09:28,099 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:09:28,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:09:28,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:09:28,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-19 13:09:28,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:09:28,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449385046] [2024-11-19 13:09:28,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:09:28,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:09:28,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:09:28,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:09:28,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 13:09:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:09:28,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:09:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:09:28,270 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:09:28,271 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:09:28,272 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:09:28,273 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:09:28,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-19 13:09:28,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:09:28,478 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:09:28,501 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:09:28,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:09:28 BoogieIcfgContainer [2024-11-19 13:09:28,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:09:28,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:09:28,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:09:28,506 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:09:28,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:09:28" (3/4) ... [2024-11-19 13:09:28,509 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:09:28,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:09:28,511 INFO L158 Benchmark]: Toolchain (without parser) took 1817.76ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 33.1MB in the beginning and 49.0MB in the end (delta: -15.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-19 13:09:28,512 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:28,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.27ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 32.8MB in the beginning and 58.1MB in the end (delta: -25.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-19 13:09:28,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.97ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 55.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:09:28,515 INFO L158 Benchmark]: Boogie Preprocessor took 51.97ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 52.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:09:28,515 INFO L158 Benchmark]: RCFGBuilder took 324.03ms. Allocated memory is still 86.0MB. Free memory was 52.3MB in the beginning and 38.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:09:28,516 INFO L158 Benchmark]: TraceAbstraction took 492.22ms. Allocated memory is still 86.0MB. Free memory was 38.3MB in the beginning and 49.3MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:28,516 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 49.0MB in the end (delta: 334.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:09:28,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.27ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 32.8MB in the beginning and 58.1MB in the end (delta: -25.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.97ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 55.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.97ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 52.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 324.03ms. Allocated memory is still 86.0MB. Free memory was 52.3MB in the beginning and 38.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 492.22ms. Allocated memory is still 86.0MB. Free memory was 38.3MB in the beginning and 49.3MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 49.0MB in the end (delta: 334.2kB). 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: 1559]: 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 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] --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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:09:28,553 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