./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_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_61_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 576b064e8282cbed9ca03332877d5ccd229a1e3f7b7b536264f8abb3081d75d2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:51:38,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:51:38,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:51:38,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:51:38,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:51:39,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:51:39,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:51:39,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:51:39,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:51:39,023 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:51:39,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:51:39,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:51:39,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:51:39,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:51:39,034 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:51:39,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:51:39,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:51:39,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:51:39,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:51:39,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:51:39,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:51:39,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:51:39,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:51:39,035 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:51:39,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:51:39,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:51:39,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:51:39,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:51:39,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:51:39,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:51:39,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:51:39,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:51:39,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:51:39,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:51:39,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:51:39,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:51:39,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:51:39,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:51:39,037 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:51:39,037 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:51:39,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:51:39,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576b064e8282cbed9ca03332877d5ccd229a1e3f7b7b536264f8abb3081d75d2 [2024-10-13 15:51:39,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:51:39,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:51:39,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:51:39,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:51:39,261 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:51:39,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_61_bad.i [2024-10-13 15:51:40,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:51:40,728 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:51:40,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_61_bad.i [2024-10-13 15:51:40,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aed70bcc/d666c1b446c648ff826f3c6cf985e081/FLAG249d5887a [2024-10-13 15:51:41,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aed70bcc/d666c1b446c648ff826f3c6cf985e081 [2024-10-13 15:51:41,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:51:41,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:51:41,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:51:41,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:51:41,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:51:41,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7097b19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41, skipping insertion in model container [2024-10-13 15:51:41,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:51:41,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:51:41,614 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:51:41,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:51:41,748 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:51:41,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41 WrapperNode [2024-10-13 15:51:41,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:51:41,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:51:41,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:51:41,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:51:41,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,813 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-10-13 15:51:41,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:51:41,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:51:41,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:51:41,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:51:41,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,835 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:51:41,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:51:41,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:51:41,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:51:41,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:51:41,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (1/1) ... [2024-10-13 15:51:41,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:51:41,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:51:41,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 15:51:41,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 15:51:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:51:41,919 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:51:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:51:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:51:41,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:51:42,039 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:51:42,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:51:42,120 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-13 15:51:42,120 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:51:42,156 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:51:42,156 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:51:42,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:51:42 BoogieIcfgContainer [2024-10-13 15:51:42,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:51:42,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:51:42,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:51:42,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:51:42,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:51:41" (1/3) ... [2024-10-13 15:51:42,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2790e545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:51:42, skipping insertion in model container [2024-10-13 15:51:42,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:41" (2/3) ... [2024-10-13 15:51:42,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2790e545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:51:42, skipping insertion in model container [2024-10-13 15:51:42,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:51:42" (3/3) ... [2024-10-13 15:51:42,165 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_61_bad.i [2024-10-13 15:51:42,179 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:51:42,179 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:51:42,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:51:42,236 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;@40cc6b1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:51:42,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:51:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-13 15:51:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 15:51:42,249 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:51:42,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:51:42,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:51:42,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:51:42,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1506176128, now seen corresponding path program 1 times [2024-10-13 15:51:42,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:51:42,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953978238] [2024-10-13 15:51:42,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:51:42,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:51:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:51:42,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:51:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:51:42,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 15:51:42,403 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:51:42,404 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:51:42,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:51:42,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:51:42,408 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 15:51:42,428 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:51:42,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:51:42 BoogieIcfgContainer [2024-10-13 15:51:42,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:51:42,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:51:42,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:51:42,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:51:42,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:51:42" (3/4) ... [2024-10-13 15:51:42,436 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:51:42,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:51:42,438 INFO L158 Benchmark]: Toolchain (without parser) took 1398.29ms. Allocated memory is still 186.6MB. Free memory was 156.3MB in the beginning and 118.4MB in the end (delta: 38.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-10-13 15:51:42,438 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:51:42,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.85ms. Allocated memory is still 186.6MB. Free memory was 156.3MB in the beginning and 90.5MB in the end (delta: 65.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-10-13 15:51:42,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.64ms. Allocated memory is still 186.6MB. Free memory was 90.5MB in the beginning and 151.9MB in the end (delta: -61.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-10-13 15:51:42,439 INFO L158 Benchmark]: Boogie Preprocessor took 34.15ms. Allocated memory is still 186.6MB. Free memory was 151.9MB in the beginning and 149.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:51:42,440 INFO L158 Benchmark]: RCFGBuilder took 307.62ms. Allocated memory is still 186.6MB. Free memory was 149.8MB in the beginning and 135.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 15:51:42,441 INFO L158 Benchmark]: TraceAbstraction took 274.18ms. Allocated memory is still 186.6MB. Free memory was 134.1MB in the beginning and 118.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 15:51:42,441 INFO L158 Benchmark]: Witness Printer took 3.24ms. Allocated memory is still 186.6MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:51:42,443 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.85ms. Allocated memory is still 186.6MB. Free memory was 156.3MB in the beginning and 90.5MB in the end (delta: 65.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.64ms. Allocated memory is still 186.6MB. Free memory was 90.5MB in the beginning and 151.9MB in the end (delta: -61.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.15ms. Allocated memory is still 186.6MB. Free memory was 151.9MB in the beginning and 149.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.62ms. Allocated memory is still 186.6MB. Free memory was 149.8MB in the beginning and 135.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 274.18ms. Allocated memory is still 186.6MB. Free memory was 134.1MB in the beginning and 118.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.24ms. Allocated memory is still 186.6MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_postdec_61b_badSource(data) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_postdec_61b_badSource(data) [L1555] 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 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=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-10-13 15:51:42,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_61_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 576b064e8282cbed9ca03332877d5ccd229a1e3f7b7b536264f8abb3081d75d2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:51:44,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:51:44,258 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 15:51:44,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:51:44,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:51:44,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 15:51:44,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:51:44,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:51:44,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:51:44,290 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:51:44,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:51:44,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:51:44,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:51:44,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:51:44,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:51:44,292 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:51:44,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:51:44,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:51:44,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:51:44,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:51:44,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:51:44,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:51:44,296 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 15:51:44,296 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 15:51:44,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:51:44,296 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:51:44,298 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 15:51:44,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:51:44,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:51:44,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:51:44,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:51:44,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:51:44,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:51:44,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:51:44,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:51:44,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:51:44,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:51:44,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:51:44,302 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 15:51:44,302 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 15:51:44,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:51:44,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:51:44,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:51:44,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:51:44,304 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 15:51:44,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576b064e8282cbed9ca03332877d5ccd229a1e3f7b7b536264f8abb3081d75d2 [2024-10-13 15:51:44,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:51:44,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:51:44,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:51:44,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:51:44,570 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:51:44,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_61_bad.i [2024-10-13 15:51:45,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:51:46,036 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:51:46,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_61_bad.i [2024-10-13 15:51:46,057 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c2b56c1/d0c81f29fc0c4f6fbd93ba9b8009d798/FLAGf09c609e5 [2024-10-13 15:51:46,349 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c2b56c1/d0c81f29fc0c4f6fbd93ba9b8009d798 [2024-10-13 15:51:46,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:51:46,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:51:46,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:51:46,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:51:46,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:51:46,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:51:46" (1/1) ... [2024-10-13 15:51:46,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c41a826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:46, skipping insertion in model container [2024-10-13 15:51:46,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:51:46" (1/1) ... [2024-10-13 15:51:46,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:51:47,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:51:47,019 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:51:47,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:51:47,200 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:51:47,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47 WrapperNode [2024-10-13 15:51:47,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:51:47,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:51:47,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:51:47,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:51:47,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,256 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-10-13 15:51:47,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:51:47,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:51:47,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:51:47,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:51:47,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,270 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,283 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:51:47,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:51:47,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:51:47,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:51:47,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:51:47,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (1/1) ... [2024-10-13 15:51:47,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:51:47,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:51:47,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 15:51:47,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 15:51:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:51:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:51:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:51:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:51:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:51:47,514 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:51:47,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:51:47,609 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-13 15:51:47,609 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:51:47,641 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:51:47,641 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:51:47,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:51:47 BoogieIcfgContainer [2024-10-13 15:51:47,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:51:47,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:51:47,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:51:47,645 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:51:47,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:51:46" (1/3) ... [2024-10-13 15:51:47,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b86cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:51:47, skipping insertion in model container [2024-10-13 15:51:47,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:51:47" (2/3) ... [2024-10-13 15:51:47,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b86cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:51:47, skipping insertion in model container [2024-10-13 15:51:47,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:51:47" (3/3) ... [2024-10-13 15:51:47,647 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_61_bad.i [2024-10-13 15:51:47,659 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:51:47,660 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:51:47,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:51:47,713 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;@46c9651b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:51:47,714 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:51:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-13 15:51:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 15:51:47,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:51:47,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:51:47,721 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:51:47,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:51:47,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1506176128, now seen corresponding path program 1 times [2024-10-13 15:51:47,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:51:47,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581806002] [2024-10-13 15:51:47,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:51:47,733 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 [2024-10-13 15:51:47,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:51:47,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 15:51:47,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-13 15:51:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:51:47,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:51:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:51:47,840 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 15:51:47,841 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:51:47,842 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:51:47,843 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:51:47,854 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 [2024-10-13 15:51:48,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:51:48,053 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 15:51:48,082 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:51:48,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:51:48 BoogieIcfgContainer [2024-10-13 15:51:48,085 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:51:48,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:51:48,087 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:51:48,087 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:51:48,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:51:47" (3/4) ... [2024-10-13 15:51:48,088 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:51:48,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:51:48,090 INFO L158 Benchmark]: Toolchain (without parser) took 1738.00ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 33.2MB in the beginning and 89.9MB in the end (delta: -56.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:51:48,091 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:51:48,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.08ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 33.0MB in the beginning and 87.5MB in the end (delta: -54.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-10-13 15:51:48,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.73ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 83.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:51:48,093 INFO L158 Benchmark]: Boogie Preprocessor took 44.06ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:51:48,093 INFO L158 Benchmark]: RCFGBuilder took 339.58ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 65.7MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 15:51:48,094 INFO L158 Benchmark]: TraceAbstraction took 442.19ms. Allocated memory is still 119.5MB. Free memory was 65.1MB in the beginning and 89.9MB in the end (delta: -24.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-13 15:51:48,094 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 119.5MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:51:48,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.08ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 33.0MB in the beginning and 87.5MB in the end (delta: -54.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.73ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 83.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.06ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.58ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 65.7MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 442.19ms. Allocated memory is still 119.5MB. Free memory was 65.1MB in the beginning and 89.9MB in the end (delta: -24.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 119.5MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_postdec_61b_badSource(data) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_postdec_61b_badSource(data) [L1555] 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 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=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-10-13 15:51:48,122 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