./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/CWE190_Integer_Overflow__int_fscanf_preinc_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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/CWE190_Integer_Overflow__int_fscanf_preinc_34_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 7c95fb682246d825a645e786fef77042cc3cf2eb544964370f7f1ea58ecee643 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 20:10:23,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 20:10:23,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-20 20:10:23,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 20:10:23,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 20:10:23,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 20:10:23,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 20:10:23,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 20:10:23,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 20:10:23,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 20:10:23,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 20:10:23,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 20:10:23,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 20:10:23,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 20:10:23,851 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 20:10:23,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 20:10:23,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 20:10:23,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 20:10:23,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 20:10:23,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 20:10:23,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 20:10:23,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 20:10:23,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 20:10:23,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 20:10:23,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 20:10:23,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 20:10:23,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 20:10:23,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 20:10:23,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 20:10:23,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 20:10:23,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 20:10:23,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:10:23,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 20:10:23,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 20:10:23,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 20:10:23,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 20:10:23,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 20:10:23,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 20:10:23,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 20:10:23,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 20:10:23,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 20:10:23,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c95fb682246d825a645e786fef77042cc3cf2eb544964370f7f1ea58ecee643 [2024-11-20 20:10:24,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 20:10:24,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 20:10:24,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 20:10:24,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 20:10:24,186 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 20:10:24,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_34_bad.i [2024-11-20 20:10:25,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 20:10:25,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 20:10:25,990 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_34_bad.i [2024-11-20 20:10:26,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7842b87cb/42475a74e1834e8690f2376eea2031dd/FLAGca399bcd1 [2024-11-20 20:10:26,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7842b87cb/42475a74e1834e8690f2376eea2031dd [2024-11-20 20:10:26,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 20:10:26,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 20:10:26,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 20:10:26,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 20:10:26,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 20:10:26,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:10:26" (1/1) ... [2024-11-20 20:10:26,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578bc8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:26, skipping insertion in model container [2024-11-20 20:10:26,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:10:26" (1/1) ... [2024-11-20 20:10:26,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 20:10:26,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:10:26,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 20:10:26,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:10:27,046 INFO L204 MainTranslator]: Completed translation [2024-11-20 20:10:27,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27 WrapperNode [2024-11-20 20:10:27,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 20:10:27,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 20:10:27,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 20:10:27,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 20:10:27,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,125 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-20 20:10:27,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 20:10:27,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 20:10:27,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 20:10:27,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 20:10:27,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,162 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-20 20:10:27,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 20:10:27,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 20:10:27,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 20:10:27,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 20:10:27,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (1/1) ... [2024-11-20 20:10:27,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:10:27,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:10:27,216 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) [2024-11-20 20:10:27,219 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 [2024-11-20 20:10:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 20:10:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 20:10:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 20:10:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 20:10:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 20:10:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 20:10:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 20:10:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 20:10:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 20:10:27,381 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 20:10:27,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 20:10:27,494 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-20 20:10:27,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 20:10:27,508 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 20:10:27,508 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 20:10:27,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:10:27 BoogieIcfgContainer [2024-11-20 20:10:27,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 20:10:27,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 20:10:27,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 20:10:27,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 20:10:27,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:10:26" (1/3) ... [2024-11-20 20:10:27,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0d1f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:10:27, skipping insertion in model container [2024-11-20 20:10:27,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:27" (2/3) ... [2024-11-20 20:10:27,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0d1f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:10:27, skipping insertion in model container [2024-11-20 20:10:27,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:10:27" (3/3) ... [2024-11-20 20:10:27,519 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_34_bad.i [2024-11-20 20:10:27,534 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 20:10:27,534 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 20:10:27,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 20:10:27,600 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;@166b096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 20:10:27,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 20:10:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-20 20:10:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 20:10:27,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:10:27,611 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:10:27,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:10:27,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:10:27,616 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-20 20:10:27,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:10:27,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912271296] [2024-11-20 20:10:27,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:10:27,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:10:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:10:28,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 20:10:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:10:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:10:28,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 20:10:28,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912271296] [2024-11-20 20:10:28,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912271296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:10:28,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:10:28,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 20:10:28,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244176862] [2024-11-20 20:10:28,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:10:28,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 20:10:28,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 20:10:28,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 20:10:28,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 20:10:28,113 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-20 20:10:28,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:10:28,146 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-20 20:10:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 20:10:28,151 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 [2024-11-20 20:10:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:10:28,155 INFO L225 Difference]: With dead ends: 19 [2024-11-20 20:10:28,155 INFO L226 Difference]: Without dead ends: 11 [2024-11-20 20:10:28,158 INFO L431 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 [2024-11-20 20:10:28,161 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:10:28,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 29 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:10:28,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-20 20:10:28,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-20 20:10:28,188 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) [2024-11-20 20:10:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-20 20:10:28,190 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-20 20:10:28,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:10:28,191 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-20 20:10:28,191 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) [2024-11-20 20:10:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-20 20:10:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 20:10:28,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:10:28,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:10:28,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 20:10:28,192 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:10:28,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:10:28,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170657, now seen corresponding path program 1 times [2024-11-20 20:10:28,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:10:28,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727389276] [2024-11-20 20:10:28,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:10:28,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:10:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:10:28,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 20:10:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:10:28,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 20:10:28,267 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 20:10:28,269 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 20:10:28,272 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 20:10:28,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 20:10:28,276 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 20:10:28,294 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 20:10:28,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:10:28 BoogieIcfgContainer [2024-11-20 20:10:28,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 20:10:28,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 20:10:28,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 20:10:28,298 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 20:10:28,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:10:27" (3/4) ... [2024-11-20 20:10:28,301 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 20:10:28,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 20:10:28,303 INFO L158 Benchmark]: Toolchain (without parser) took 2266.20ms. Allocated memory is still 163.6MB. Free memory was 133.0MB in the beginning and 103.2MB in the end (delta: 29.9MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-20 20:10:28,304 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory was 101.0MB in the beginning and 101.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:10:28,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1009.16ms. Allocated memory is still 163.6MB. Free memory was 132.8MB in the beginning and 71.2MB in the end (delta: 61.7MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-11-20 20:10:28,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.62ms. Allocated memory is still 163.6MB. Free memory was 71.2MB in the beginning and 130.0MB in the end (delta: -58.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-20 20:10:28,306 INFO L158 Benchmark]: Boogie Preprocessor took 49.22ms. Allocated memory is still 163.6MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:10:28,306 INFO L158 Benchmark]: RCFGBuilder took 332.38ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 114.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 20:10:28,307 INFO L158 Benchmark]: TraceAbstraction took 785.06ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 103.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-20 20:10:28,308 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 163.6MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:10:28,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory was 101.0MB in the beginning and 101.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1009.16ms. Allocated memory is still 163.6MB. Free memory was 132.8MB in the beginning and 71.2MB in the end (delta: 61.7MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.62ms. Allocated memory is still 163.6MB. Free memory was 71.2MB in the beginning and 130.0MB in the end (delta: -58.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.22ms. Allocated memory is still 163.6MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.38ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 114.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 785.06ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 103.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 163.6MB. Free memory is still 103.2MB. 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: 1563]: 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 1572. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE190_Integer_Overflow__int_fscanf_preinc_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fscanf_preinc_34_unionType myUnion; [L1557] data = 0 [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] ++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: 1563]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 7 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=19occurred 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 [2024-11-20 20:10:28,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_34_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 7c95fb682246d825a645e786fef77042cc3cf2eb544964370f7f1ea58ecee643 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 20:10:30,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 20:10:30,728 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-20 20:10:30,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 20:10:30,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 20:10:30,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-20 20:10:30,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 20:10:30,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 20:10:30,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 20:10:30,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 20:10:30,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 20:10:30,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 20:10:30,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 20:10:30,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 20:10:30,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 20:10:30,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 20:10:30,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 20:10:30,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 20:10:30,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 20:10:30,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 20:10:30,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 20:10:30,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 20:10:30,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 20:10:30,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 20:10:30,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 20:10:30,785 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 20:10:30,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 20:10:30,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 20:10:30,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 20:10:30,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 20:10:30,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 20:10:30,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 20:10:30,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 20:10:30,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 20:10:30,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:10:30,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 20:10:30,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 20:10:30,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 20:10:30,797 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 20:10:30,797 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 20:10:30,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 20:10:30,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 20:10:30,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 20:10:30,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 20:10:30,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c95fb682246d825a645e786fef77042cc3cf2eb544964370f7f1ea58ecee643 [2024-11-20 20:10:31,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 20:10:31,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 20:10:31,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 20:10:31,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 20:10:31,186 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 20:10:31,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_34_bad.i [2024-11-20 20:10:32,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 20:10:33,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 20:10:33,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_34_bad.i [2024-11-20 20:10:33,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40b7f3d65/55d19c0ba9da427b9463988b99020988/FLAGa4466045a [2024-11-20 20:10:33,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40b7f3d65/55d19c0ba9da427b9463988b99020988 [2024-11-20 20:10:33,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 20:10:33,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 20:10:33,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 20:10:33,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 20:10:33,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 20:10:33,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:10:33" (1/1) ... [2024-11-20 20:10:33,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8bbd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:33, skipping insertion in model container [2024-11-20 20:10:33,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:10:33" (1/1) ... [2024-11-20 20:10:33,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 20:10:33,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:10:33,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 20:10:34,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:10:34,210 INFO L204 MainTranslator]: Completed translation [2024-11-20 20:10:34,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34 WrapperNode [2024-11-20 20:10:34,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 20:10:34,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 20:10:34,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 20:10:34,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 20:10:34,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,297 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-20 20:10:34,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 20:10:34,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 20:10:34,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 20:10:34,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 20:10:34,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,319 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,348 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-20 20:10:34,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 20:10:34,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 20:10:34,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 20:10:34,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 20:10:34,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (1/1) ... [2024-11-20 20:10:34,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:10:34,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:10:34,413 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) [2024-11-20 20:10:34,417 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 [2024-11-20 20:10:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 20:10:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 20:10:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 20:10:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 20:10:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 20:10:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 20:10:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-20 20:10:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 20:10:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-20 20:10:34,629 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 20:10:34,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 20:10:34,770 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-20 20:10:34,770 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 20:10:34,784 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 20:10:34,784 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 20:10:34,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:10:34 BoogieIcfgContainer [2024-11-20 20:10:34,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 20:10:34,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 20:10:34,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 20:10:34,791 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 20:10:34,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:10:33" (1/3) ... [2024-11-20 20:10:34,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ab3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:10:34, skipping insertion in model container [2024-11-20 20:10:34,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:10:34" (2/3) ... [2024-11-20 20:10:34,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ab3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:10:34, skipping insertion in model container [2024-11-20 20:10:34,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:10:34" (3/3) ... [2024-11-20 20:10:34,794 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_34_bad.i [2024-11-20 20:10:34,812 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 20:10:34,812 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 20:10:34,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 20:10:34,890 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;@18ebe144, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 20:10:34,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 20:10:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-20 20:10:34,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 20:10:34,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:10:34,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:10:34,904 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:10:34,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:10:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-20 20:10:34,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 20:10:34,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541406678] [2024-11-20 20:10:34,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:10:34,926 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 [2024-11-20 20:10:34,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 20:10:34,930 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) [2024-11-20 20:10:34,932 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 [2024-11-20 20:10:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:10:35,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 20:10:35,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 20:10:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:10:35,117 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 20:10:35,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 20:10:35,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541406678] [2024-11-20 20:10:35,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541406678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:10:35,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:10:35,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 20:10:35,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373253788] [2024-11-20 20:10:35,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:10:35,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 20:10:35,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 20:10:35,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 20:10:35,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 20:10:35,155 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-20 20:10:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:10:35,171 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-20 20:10:35,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 20:10:35,173 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 [2024-11-20 20:10:35,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:10:35,180 INFO L225 Difference]: With dead ends: 19 [2024-11-20 20:10:35,180 INFO L226 Difference]: Without dead ends: 11 [2024-11-20 20:10:35,183 INFO L431 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 [2024-11-20 20:10:35,188 INFO L432 NwaCegarLoop]: 19 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, 19 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 [2024-11-20 20:10:35,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:10:35,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-20 20:10:35,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-20 20:10:35,226 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) [2024-11-20 20:10:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-20 20:10:35,228 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-20 20:10:35,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:10:35,229 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-20 20:10:35,230 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) [2024-11-20 20:10:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-20 20:10:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 20:10:35,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:10:35,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:10:35,238 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 [2024-11-20 20:10:35,435 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 [2024-11-20 20:10:35,437 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:10:35,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:10:35,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170657, now seen corresponding path program 1 times [2024-11-20 20:10:35,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 20:10:35,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649364477] [2024-11-20 20:10:35,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:10:35,441 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 [2024-11-20 20:10:35,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 20:10:35,443 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) [2024-11-20 20:10:35,445 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 [2024-11-20 20:10:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:10:35,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 20:10:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:10:35,631 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-20 20:10:35,632 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 20:10:35,634 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 20:10:35,637 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 20:10:35,644 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 [2024-11-20 20:10:35,838 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 [2024-11-20 20:10:35,842 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 20:10:35,863 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 20:10:35,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:10:35 BoogieIcfgContainer [2024-11-20 20:10:35,867 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 20:10:35,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 20:10:35,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 20:10:35,868 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 20:10:35,868 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:10:34" (3/4) ... [2024-11-20 20:10:35,871 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 20:10:35,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 20:10:35,873 INFO L158 Benchmark]: Toolchain (without parser) took 2736.82ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 37.1MB in the beginning and 40.0MB in the end (delta: -2.9MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-20 20:10:35,873 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 60.8MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:10:35,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1074.45ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.8MB in the beginning and 33.9MB in the end (delta: 2.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-20 20:10:35,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.41ms. Allocated memory is still 73.4MB. Free memory was 33.9MB in the beginning and 30.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:10:35,875 INFO L158 Benchmark]: Boogie Preprocessor took 71.90ms. Allocated memory is still 73.4MB. Free memory was 30.8MB in the beginning and 28.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:10:35,875 INFO L158 Benchmark]: RCFGBuilder took 411.02ms. Allocated memory is still 73.4MB. Free memory was 28.3MB in the beginning and 34.5MB in the end (delta: -6.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-20 20:10:35,876 INFO L158 Benchmark]: TraceAbstraction took 1080.29ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 34.1MB in the beginning and 40.6MB in the end (delta: -6.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-20 20:10:35,876 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 88.1MB. Free memory was 40.5MB in the beginning and 40.0MB in the end (delta: 502.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:10:35,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 60.8MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1074.45ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.8MB in the beginning and 33.9MB in the end (delta: 2.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.41ms. Allocated memory is still 73.4MB. Free memory was 33.9MB in the beginning and 30.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.90ms. Allocated memory is still 73.4MB. Free memory was 30.8MB in the beginning and 28.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.02ms. Allocated memory is still 73.4MB. Free memory was 28.3MB in the beginning and 34.5MB in the end (delta: -6.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1080.29ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 34.1MB in the beginning and 40.6MB in the end (delta: -6.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 88.1MB. Free memory was 40.5MB in the beginning and 40.0MB in the end (delta: 502.1kB). Peak memory consumption was 2.1MB. 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: 1563]: 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 1572. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE190_Integer_Overflow__int_fscanf_preinc_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fscanf_preinc_34_unionType myUnion; [L1557] data = 0 [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] ++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: 1563]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 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, 19 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=19occurred 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, 54 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 [2024-11-20 20:10:35,935 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample