./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/CWE190_Integer_Overflow__int_fscanf_postinc_64_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 86a1e5c14e4b1155af62a0ebb637ee400731e381307ad8f649d52e3b4b2b0170 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 18:52:47,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 18:52:47,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 18:52:48,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 18:52:48,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 18:52:48,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 18:52:48,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 18:52:48,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 18:52:48,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 18:52:48,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 18:52:48,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 18:52:48,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 18:52:48,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 18:52:48,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 18:52:48,035 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 18:52:48,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 18:52:48,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 18:52:48,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 18:52:48,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 18:52:48,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 18:52:48,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 18:52:48,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 18:52:48,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 18:52:48,049 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 18:52:48,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 18:52:48,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 18:52:48,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 18:52:48,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 18:52:48,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 18:52:48,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 18:52:48,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 18:52:48,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:52:48,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 18:52:48,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 18:52:48,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 18:52:48,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 18:52:48,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 18:52:48,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 18:52:48,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 18:52:48,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 18:52:48,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 18:52:48,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86a1e5c14e4b1155af62a0ebb637ee400731e381307ad8f649d52e3b4b2b0170 [2024-11-12 18:52:48,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 18:52:48,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 18:52:48,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 18:52:48,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 18:52:48,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 18:52:48,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_64_bad.i [2024-11-12 18:52:49,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 18:52:50,009 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 18:52:50,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_64_bad.i [2024-11-12 18:52:50,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23869644f/9c7d8cb85b3642509b44d7ac1109c3ca/FLAG5daa42993 [2024-11-12 18:52:50,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23869644f/9c7d8cb85b3642509b44d7ac1109c3ca [2024-11-12 18:52:50,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 18:52:50,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 18:52:50,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 18:52:50,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 18:52:50,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 18:52:50,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:50,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74608426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50, skipping insertion in model container [2024-11-12 18:52:50,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:50,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 18:52:50,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:52:50,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 18:52:50,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:52:50,925 INFO L204 MainTranslator]: Completed translation [2024-11-12 18:52:50,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50 WrapperNode [2024-11-12 18:52:50,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 18:52:50,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 18:52:50,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 18:52:50,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 18:52:50,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:50,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:50,983 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2024-11-12 18:52:50,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 18:52:50,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 18:52:50,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 18:52:50,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 18:52:50,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:50,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:50,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:51,017 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-12 18:52:51,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:51,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:51,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:51,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:51,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:51,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:51,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 18:52:51,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 18:52:51,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 18:52:51,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 18:52:51,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (1/1) ... [2024-11-12 18:52:51,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:52:51,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 18:52:51,062 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) [2024-11-12 18:52:51,101 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 [2024-11-12 18:52:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 18:52:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 18:52:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 18:52:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 18:52:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 18:52:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 18:52:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 18:52:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 18:52:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 18:52:51,304 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 18:52:51,306 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 18:52:51,387 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-12 18:52:51,387 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 18:52:51,397 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 18:52:51,397 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 18:52:51,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:52:51 BoogieIcfgContainer [2024-11-12 18:52:51,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 18:52:51,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 18:52:51,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 18:52:51,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 18:52:51,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:52:50" (1/3) ... [2024-11-12 18:52:51,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e3e374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:52:51, skipping insertion in model container [2024-11-12 18:52:51,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:50" (2/3) ... [2024-11-12 18:52:51,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e3e374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:52:51, skipping insertion in model container [2024-11-12 18:52:51,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:52:51" (3/3) ... [2024-11-12 18:52:51,404 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_64_bad.i [2024-11-12 18:52:51,416 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 18:52:51,417 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 18:52:51,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 18:52:51,463 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;@264c3a0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 18:52:51,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 18:52:51,467 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) [2024-11-12 18:52:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 18:52:51,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:52:51,472 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:52:51,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:52:51,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:52:51,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-12 18:52:51,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 18:52:51,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249064313] [2024-11-12 18:52:51,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:52:51,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 18:52:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:52:51,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 18:52:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:52:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 18:52:51,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 18:52:51,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249064313] [2024-11-12 18:52:51,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249064313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:52:51,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:52:51,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 18:52:51,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187153442] [2024-11-12 18:52:51,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:52:51,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 18:52:51,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 18:52:51,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 18:52:51,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:52:51,895 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 18:52:51,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:52:51,919 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-11-12 18:52:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 18:52:51,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-12 18:52:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:52:51,927 INFO L225 Difference]: With dead ends: 20 [2024-11-12 18:52:51,927 INFO L226 Difference]: Without dead ends: 11 [2024-11-12 18:52:51,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:52:51,931 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 18:52:51,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 18:52:51,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-12 18:52:51,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-12 18:52:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 18:52:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-12 18:52:51,956 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-12 18:52:51,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:52:51,957 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-12 18:52:51,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 18:52:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-12 18:52:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 18:52:51,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:52:51,958 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:52:51,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 18:52:51,958 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:52:51,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:52:51,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-12 18:52:51,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 18:52:51,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078743458] [2024-11-12 18:52:51,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:52:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 18:52:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:52:51,981 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 18:52:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:52:52,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 18:52:52,007 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 18:52:52,009 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 18:52:52,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 18:52:52,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 18:52:52,013 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 18:52:52,028 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 18:52:52,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:52:52 BoogieIcfgContainer [2024-11-12 18:52:52,031 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 18:52:52,033 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 18:52:52,033 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 18:52:52,033 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 18:52:52,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:52:51" (3/4) ... [2024-11-12 18:52:52,036 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 18:52:52,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 18:52:52,038 INFO L158 Benchmark]: Toolchain (without parser) took 1989.06ms. Allocated memory was 180.4MB in the beginning and 318.8MB in the end (delta: 138.4MB). Free memory was 122.4MB in the beginning and 225.6MB in the end (delta: -103.2MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-11-12 18:52:52,038 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:52:52,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.49ms. Allocated memory is still 180.4MB. Free memory was 122.0MB in the beginning and 55.8MB in the end (delta: 66.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-12 18:52:52,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.95ms. Allocated memory is still 180.4MB. Free memory was 55.8MB in the beginning and 52.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 18:52:52,040 INFO L158 Benchmark]: Boogie Preprocessor took 44.80ms. Allocated memory is still 180.4MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 18:52:52,041 INFO L158 Benchmark]: RCFGBuilder took 364.79ms. Allocated memory was 180.4MB in the beginning and 318.8MB in the end (delta: 138.4MB). Free memory was 50.7MB in the beginning and 275.9MB in the end (delta: -225.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 18:52:52,041 INFO L158 Benchmark]: TraceAbstraction took 632.40ms. Allocated memory is still 318.8MB. Free memory was 275.9MB in the beginning and 225.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-12 18:52:52,041 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 318.8MB. Free memory is still 225.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:52:52,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.49ms. Allocated memory is still 180.4MB. Free memory was 122.0MB in the beginning and 55.8MB in the end (delta: 66.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.95ms. Allocated memory is still 180.4MB. Free memory was 55.8MB in the beginning and 52.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.80ms. Allocated memory is still 180.4MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.79ms. Allocated memory was 180.4MB in the beginning and 318.8MB in the end (delta: 138.4MB). Free memory was 50.7MB in the beginning and 275.9MB in the end (delta: -225.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 632.40ms. Allocated memory is still 318.8MB. Free memory was 275.9MB in the beginning and 225.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 318.8MB. Free memory is still 225.6MB. 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: 1569]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_fscanf_postinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE190_Integer_Overflow__int_fscanf_postinc_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] 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: 1569]: 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-11-12 18:52:52,074 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/CWE190_Integer_Overflow__int_fscanf_postinc_64_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 86a1e5c14e4b1155af62a0ebb637ee400731e381307ad8f649d52e3b4b2b0170 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 18:52:54,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 18:52:54,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 18:52:54,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 18:52:54,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 18:52:54,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 18:52:54,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 18:52:54,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 18:52:54,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 18:52:54,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 18:52:54,164 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 18:52:54,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 18:52:54,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 18:52:54,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 18:52:54,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 18:52:54,166 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 18:52:54,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 18:52:54,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 18:52:54,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 18:52:54,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 18:52:54,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 18:52:54,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 18:52:54,171 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 18:52:54,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 18:52:54,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 18:52:54,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 18:52:54,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 18:52:54,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 18:52:54,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 18:52:54,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 18:52:54,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 18:52:54,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 18:52:54,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 18:52:54,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 18:52:54,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:52:54,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 18:52:54,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 18:52:54,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 18:52:54,179 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 18:52:54,179 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 18:52:54,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 18:52:54,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 18:52:54,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 18:52:54,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 18:52:54,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86a1e5c14e4b1155af62a0ebb637ee400731e381307ad8f649d52e3b4b2b0170 [2024-11-12 18:52:54,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 18:52:54,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 18:52:54,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 18:52:54,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 18:52:54,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 18:52:54,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_64_bad.i [2024-11-12 18:52:55,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 18:52:56,234 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 18:52:56,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_64_bad.i [2024-11-12 18:52:56,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66cf70e8a/afa93526eebc430aa9f1a2c64fe4ade2/FLAG2cb4ffd30 [2024-11-12 18:52:56,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66cf70e8a/afa93526eebc430aa9f1a2c64fe4ade2 [2024-11-12 18:52:56,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 18:52:56,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 18:52:56,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 18:52:56,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 18:52:56,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 18:52:56,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:52:56" (1/1) ... [2024-11-12 18:52:56,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508c814b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:56, skipping insertion in model container [2024-11-12 18:52:56,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:52:56" (1/1) ... [2024-11-12 18:52:56,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 18:52:57,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 18:52:57,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:52:57,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 18:52:57,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:52:57,340 INFO L204 MainTranslator]: Completed translation [2024-11-12 18:52:57,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57 WrapperNode [2024-11-12 18:52:57,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 18:52:57,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 18:52:57,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 18:52:57,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 18:52:57,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,392 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-12 18:52:57,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 18:52:57,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 18:52:57,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 18:52:57,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 18:52:57,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,426 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-12 18:52:57,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 18:52:57,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 18:52:57,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 18:52:57,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 18:52:57,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (1/1) ... [2024-11-12 18:52:57,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:52:57,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 18:52:57,495 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) [2024-11-12 18:52:57,500 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 [2024-11-12 18:52:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 18:52:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 18:52:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 18:52:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 18:52:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 18:52:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 18:52:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-12 18:52:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 18:52:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-12 18:52:57,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 18:52:57,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 18:52:57,810 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-12 18:52:57,812 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 18:52:57,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 18:52:57,821 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 18:52:57,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:52:57 BoogieIcfgContainer [2024-11-12 18:52:57,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 18:52:57,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 18:52:57,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 18:52:57,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 18:52:57,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:52:56" (1/3) ... [2024-11-12 18:52:57,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758c8c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:52:57, skipping insertion in model container [2024-11-12 18:52:57,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:57" (2/3) ... [2024-11-12 18:52:57,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758c8c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:52:57, skipping insertion in model container [2024-11-12 18:52:57,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:52:57" (3/3) ... [2024-11-12 18:52:57,830 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_64_bad.i [2024-11-12 18:52:57,842 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 18:52:57,842 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 18:52:57,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 18:52:57,898 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;@8c9a23f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 18:52:57,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 18:52:57,901 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) [2024-11-12 18:52:57,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 18:52:57,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:52:57,907 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:52:57,907 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:52:57,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:52:57,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-12 18:52:57,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:52:57,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598150770] [2024-11-12 18:52:57,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:52:57,925 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 [2024-11-12 18:52:57,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:52:57,928 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) [2024-11-12 18:52:57,937 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 [2024-11-12 18:52:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:52:58,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 18:52:58,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 18:52:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 18:52:58,061 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 18:52:58,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 18:52:58,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598150770] [2024-11-12 18:52:58,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598150770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:52:58,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:52:58,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 18:52:58,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361121044] [2024-11-12 18:52:58,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:52:58,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 18:52:58,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 18:52:58,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 18:52:58,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 18:52:58,090 INFO L87 Difference]: Start difference. First 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) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 18:52:58,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:52:58,102 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-11-12 18:52:58,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 18:52:58,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-12 18:52:58,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:52:58,108 INFO L225 Difference]: With dead ends: 20 [2024-11-12 18:52:58,109 INFO L226 Difference]: Without dead ends: 11 [2024-11-12 18:52:58,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 18:52:58,115 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 18:52:58,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 18:52:58,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-12 18:52:58,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-12 18:52:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 18:52:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-12 18:52:58,143 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-12 18:52:58,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:52:58,144 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-12 18:52:58,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 18:52:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-12 18:52:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 18:52:58,145 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:52:58,145 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:52:58,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-12 18:52:58,349 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 [2024-11-12 18:52:58,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:52:58,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:52:58,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-12 18:52:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:52:58,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489474512] [2024-11-12 18:52:58,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:52:58,352 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 [2024-11-12 18:52:58,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:52:58,353 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-12 18:52:58,362 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 (3)] Waiting until timeout for monitored process [2024-11-12 18:52:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:52:58,450 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 18:52:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:52:58,504 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 18:52:58,504 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 18:52:58,506 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 18:52:58,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 18:52:58,517 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 (3)] Ended with exit code 0 [2024-11-12 18:52:58,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-12 18:52:58,712 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 18:52:58,730 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 18:52:58,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:52:58 BoogieIcfgContainer [2024-11-12 18:52:58,735 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 18:52:58,736 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 18:52:58,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 18:52:58,737 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 18:52:58,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:52:57" (3/4) ... [2024-11-12 18:52:58,739 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 18:52:58,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 18:52:58,741 INFO L158 Benchmark]: Toolchain (without parser) took 2219.95ms. Allocated memory was 60.8MB in the beginning and 109.1MB in the end (delta: 48.2MB). Free memory was 35.8MB in the beginning and 71.4MB in the end (delta: -35.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-12 18:52:58,741 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 60.8MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:52:58,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.32ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 35.6MB in the beginning and 48.0MB in the end (delta: -12.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-12 18:52:58,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.36ms. Allocated memory is still 79.7MB. Free memory was 48.0MB in the beginning and 45.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 18:52:58,744 INFO L158 Benchmark]: Boogie Preprocessor took 59.40ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 42.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 18:52:58,744 INFO L158 Benchmark]: RCFGBuilder took 368.62ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 51.0MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 18:52:58,745 INFO L158 Benchmark]: TraceAbstraction took 911.25ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 50.1MB in the beginning and 71.4MB in the end (delta: -21.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-12 18:52:58,745 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 109.1MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:52:58,747 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 60.8MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 818.32ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 35.6MB in the beginning and 48.0MB in the end (delta: -12.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.36ms. Allocated memory is still 79.7MB. Free memory was 48.0MB in the beginning and 45.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.40ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 42.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.62ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 51.0MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 911.25ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 50.1MB in the beginning and 71.4MB in the end (delta: -21.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 109.1MB. Free memory is still 71.4MB. 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: 1569]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_fscanf_postinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE190_Integer_Overflow__int_fscanf_postinc_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] 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: 1569]: 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-11-12 18:52:58,788 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