./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_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 7d40eaeb8e3bfc91e51313394c918ebd407b019df8d912d3865786b8331d4074 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 00:10:48,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 00:10:48,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 00:10:48,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 00:10:48,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 00:10:49,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 00:10:49,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 00:10:49,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 00:10:49,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 00:10:49,013 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 00:10:49,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 00:10:49,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 00:10:49,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 00:10:49,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 00:10:49,016 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 00:10:49,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 00:10:49,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 00:10:49,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 00:10:49,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 00:10:49,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 00:10:49,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 00:10:49,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 00:10:49,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 00:10:49,020 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 00:10:49,020 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 00:10:49,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 00:10:49,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 00:10:49,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 00:10:49,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 00:10:49,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 00:10:49,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 00:10:49,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:10:49,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 00:10:49,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 00:10:49,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 00:10:49,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 00:10:49,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 00:10:49,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 00:10:49,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 00:10:49,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 00:10:49,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 00:10:49,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d40eaeb8e3bfc91e51313394c918ebd407b019df8d912d3865786b8331d4074 [2024-11-23 00:10:49,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 00:10:49,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 00:10:49,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 00:10:49,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 00:10:49,249 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 00:10:49,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2024-11-23 00:10:50,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 00:10:50,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 00:10:50,888 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2024-11-23 00:10:50,917 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d788c6209/f03f8a315e04413788c67e8b470221d1/FLAGcb2741ec1 [2024-11-23 00:10:51,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d788c6209/f03f8a315e04413788c67e8b470221d1 [2024-11-23 00:10:51,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 00:10:51,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 00:10:51,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 00:10:51,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 00:10:51,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 00:10:51,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:10:51" (1/1) ... [2024-11-23 00:10:51,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d61ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:51, skipping insertion in model container [2024-11-23 00:10:51,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:10:51" (1/1) ... [2024-11-23 00:10:51,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 00:10:52,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:10:52,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 00:10:52,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:10:52,309 INFO L204 MainTranslator]: Completed translation [2024-11-23 00:10:52,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52 WrapperNode [2024-11-23 00:10:52,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 00:10:52,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 00:10:52,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 00:10:52,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 00:10:52,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,364 INFO L138 Inliner]: procedures = 936, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-23 00:10:52,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 00:10:52,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 00:10:52,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 00:10:52,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 00:10:52,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,387 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 00:10:52,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 00:10:52,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 00:10:52,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 00:10:52,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 00:10:52,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (1/1) ... [2024-11-23 00:10:52,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:10:52,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:10:52,438 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) [2024-11-23 00:10:52,440 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 [2024-11-23 00:10:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 00:10:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 00:10:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 00:10:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 00:10:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 00:10:52,611 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 00:10:52,615 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 00:10:52,694 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-23 00:10:52,695 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 00:10:52,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 00:10:52,703 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 00:10:52,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:10:52 BoogieIcfgContainer [2024-11-23 00:10:52,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 00:10:52,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 00:10:52,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 00:10:52,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 00:10:52,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:10:51" (1/3) ... [2024-11-23 00:10:52,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a9eba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:10:52, skipping insertion in model container [2024-11-23 00:10:52,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:52" (2/3) ... [2024-11-23 00:10:52,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a9eba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:10:52, skipping insertion in model container [2024-11-23 00:10:52,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:10:52" (3/3) ... [2024-11-23 00:10:52,710 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2024-11-23 00:10:52,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 00:10:52,723 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 00:10:52,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 00:10:52,779 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;@578d9d66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 00:10:52,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 00:10:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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) [2024-11-23 00:10:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-23 00:10:52,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:10:52,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:10:52,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:10:52,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:10:52,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-23 00:10:52,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 00:10:52,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52610678] [2024-11-23 00:10:52,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:10:52,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 00:10:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 00:10:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 00:10:52,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 00:10:52,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52610678] [2024-11-23 00:10:52,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52610678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 00:10:52,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 00:10:52,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 00:10:52,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465572823] [2024-11-23 00:10:52,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 00:10:52,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 00:10:52,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 00:10:52,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 00:10:52,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 00:10:52,967 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-23 00:10:52,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 00:10:52,977 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-11-23 00:10:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 00:10:52,979 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2024-11-23 00:10:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 00:10:52,984 INFO L225 Difference]: With dead ends: 21 [2024-11-23 00:10:52,984 INFO L226 Difference]: Without dead ends: 12 [2024-11-23 00:10:52,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 00:10:52,988 INFO L432 NwaCegarLoop]: 22 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, 22 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 [2024-11-23 00:10:52,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 00:10:53,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-23 00:10:53,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-23 00:10:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2024-11-23 00:10:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-23 00:10:53,013 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-11-23 00:10:53,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 00:10:53,013 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-23 00:10:53,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-23 00:10:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-23 00:10:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-23 00:10:53,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:10:53,014 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:10:53,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 00:10:53,014 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:10:53,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:10:53,015 INFO L85 PathProgramCache]: Analyzing trace with hash 51470816, now seen corresponding path program 1 times [2024-11-23 00:10:53,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 00:10:53,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810745198] [2024-11-23 00:10:53,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:10:53,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 00:10:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 00:10:53,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1943353646] [2024-11-23 00:10:53,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:10:53,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 00:10:53,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:10:53,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 00:10:53,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 00:10:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:10:53,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 00:10:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:10:53,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 00:10:53,153 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 00:10:53,153 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 00:10:53,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 00:10:53,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 00:10:53,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 00:10:53,358 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 00:10:53,372 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 00:10:53,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:10:53 BoogieIcfgContainer [2024-11-23 00:10:53,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 00:10:53,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 00:10:53,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 00:10:53,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 00:10:53,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:10:52" (3/4) ... [2024-11-23 00:10:53,377 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 00:10:53,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 00:10:53,379 INFO L158 Benchmark]: Toolchain (without parser) took 2191.92ms. Allocated memory was 184.5MB in the beginning and 285.2MB in the end (delta: 100.7MB). Free memory was 123.2MB in the beginning and 213.8MB in the end (delta: -90.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-23 00:10:53,379 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:10:53,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1120.31ms. Allocated memory was 184.5MB in the beginning and 285.2MB in the end (delta: 100.7MB). Free memory was 123.2MB in the beginning and 154.7MB in the end (delta: -31.4MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2024-11-23 00:10:53,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.91ms. Allocated memory is still 285.2MB. Free memory was 154.7MB in the beginning and 150.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:10:53,380 INFO L158 Benchmark]: Boogie Preprocessor took 29.22ms. Allocated memory is still 285.2MB. Free memory was 150.5MB in the beginning and 149.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 00:10:53,380 INFO L158 Benchmark]: RCFGBuilder took 308.38ms. Allocated memory is still 285.2MB. Free memory was 148.4MB in the beginning and 135.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 00:10:53,381 INFO L158 Benchmark]: TraceAbstraction took 669.38ms. Allocated memory is still 285.2MB. Free memory was 134.7MB in the beginning and 213.8MB in the end (delta: -79.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:10:53,381 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 285.2MB. Free memory is still 213.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:10:53,383 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 184.5MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1120.31ms. Allocated memory was 184.5MB in the beginning and 285.2MB in the end (delta: 100.7MB). Free memory was 123.2MB in the beginning and 154.7MB in the end (delta: -31.4MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.91ms. Allocated memory is still 285.2MB. Free memory was 154.7MB in the beginning and 150.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.22ms. Allocated memory is still 285.2MB. Free memory was 150.5MB in the beginning and 149.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.38ms. Allocated memory is still 285.2MB. Free memory was 148.4MB in the beginning and 135.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 669.38ms. Allocated memory is still 285.2MB. Free memory was 134.7MB in the beginning and 213.8MB in the end (delta: -79.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 285.2MB. Free memory is still 213.8MB. 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: 1856]: 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 1561. 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); [L1548] int CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_fscanf_square_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_fscanf_square_22_badSink(data) [L1853] COND TRUE \read(CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1856] data * data VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=1, 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: 1856]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 22 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, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2024-11-23 00:10:53,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_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 7d40eaeb8e3bfc91e51313394c918ebd407b019df8d912d3865786b8331d4074 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 00:10:55,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 00:10:55,375 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 00:10:55,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 00:10:55,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 00:10:55,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 00:10:55,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 00:10:55,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 00:10:55,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 00:10:55,407 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 00:10:55,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 00:10:55,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 00:10:55,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 00:10:55,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 00:10:55,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 00:10:55,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 00:10:55,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 00:10:55,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 00:10:55,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 00:10:55,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 00:10:55,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 00:10:55,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 00:10:55,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 00:10:55,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 00:10:55,416 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 00:10:55,416 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 00:10:55,416 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 00:10:55,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 00:10:55,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 00:10:55,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 00:10:55,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 00:10:55,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 00:10:55,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 00:10:55,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 00:10:55,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:10:55,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 00:10:55,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 00:10:55,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 00:10:55,418 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-23 00:10:55,418 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 00:10:55,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 00:10:55,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 00:10:55,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 00:10:55,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 00:10:55,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d40eaeb8e3bfc91e51313394c918ebd407b019df8d912d3865786b8331d4074 [2024-11-23 00:10:55,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 00:10:55,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 00:10:55,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 00:10:55,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 00:10:55,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 00:10:55,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2024-11-23 00:10:57,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 00:10:57,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 00:10:57,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2024-11-23 00:10:57,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1ee9ab01/6ca8338be97940c482e8aeee4d76478c/FLAG8c8bdef83 [2024-11-23 00:10:57,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1ee9ab01/6ca8338be97940c482e8aeee4d76478c [2024-11-23 00:10:57,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 00:10:57,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 00:10:57,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 00:10:57,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 00:10:57,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 00:10:57,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:10:57" (1/1) ... [2024-11-23 00:10:57,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acb57c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:57, skipping insertion in model container [2024-11-23 00:10:57,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:10:57" (1/1) ... [2024-11-23 00:10:57,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 00:10:58,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:10:58,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 00:10:58,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:10:59,032 INFO L204 MainTranslator]: Completed translation [2024-11-23 00:10:59,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59 WrapperNode [2024-11-23 00:10:59,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 00:10:59,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 00:10:59,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 00:10:59,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 00:10:59,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,113 INFO L138 Inliner]: procedures = 941, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-23 00:10:59,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 00:10:59,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 00:10:59,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 00:10:59,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 00:10:59,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,149 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 00:10:59,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 00:10:59,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 00:10:59,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 00:10:59,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 00:10:59,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (1/1) ... [2024-11-23 00:10:59,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:10:59,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:10:59,199 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) [2024-11-23 00:10:59,202 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 [2024-11-23 00:10:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 00:10:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 00:10:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 00:10:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 00:10:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 00:10:59,340 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 00:10:59,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 00:11:01,875 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-23 00:11:01,875 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 00:11:01,896 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 00:11:01,896 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 00:11:01,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:01 BoogieIcfgContainer [2024-11-23 00:11:01,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 00:11:01,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 00:11:01,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 00:11:01,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 00:11:01,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:10:57" (1/3) ... [2024-11-23 00:11:01,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6207d6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:11:01, skipping insertion in model container [2024-11-23 00:11:01,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:59" (2/3) ... [2024-11-23 00:11:01,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6207d6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:11:01, skipping insertion in model container [2024-11-23 00:11:01,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:01" (3/3) ... [2024-11-23 00:11:01,901 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2024-11-23 00:11:01,914 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 00:11:01,915 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 00:11:01,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 00:11:02,009 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;@5e81679e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 00:11:02,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 00:11:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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) [2024-11-23 00:11:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-23 00:11:02,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:11:02,027 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:11:02,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:11:02,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:11:02,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-23 00:11:02,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 00:11:02,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463184784] [2024-11-23 00:11:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:11:02,059 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 [2024-11-23 00:11:02,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 00:11:02,063 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) [2024-11-23 00:11:02,064 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 [2024-11-23 00:11:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:11:02,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 00:11:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:11:02,193 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-23 00:11:02,194 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 00:11:02,195 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 00:11:02,196 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 00:11:02,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 00:11:02,397 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 [2024-11-23 00:11:02,401 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 00:11:02,416 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 00:11:02,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:11:02 BoogieIcfgContainer [2024-11-23 00:11:02,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 00:11:02,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 00:11:02,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 00:11:02,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 00:11:02,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:01" (3/4) ... [2024-11-23 00:11:02,422 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 00:11:02,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 00:11:02,424 INFO L158 Benchmark]: Toolchain (without parser) took 4913.82ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 35.8MB in the beginning and 34.9MB in the end (delta: 891.7kB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-23 00:11:02,424 INFO L158 Benchmark]: CDTParser took 1.67ms. Allocated memory is still 77.6MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:11:02,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1521.68ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 35.6MB in the beginning and 73.6MB in the end (delta: -38.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-23 00:11:02,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.12ms. Allocated memory is still 115.3MB. Free memory was 73.6MB in the beginning and 69.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:11:02,425 INFO L158 Benchmark]: Boogie Preprocessor took 54.26ms. Allocated memory is still 115.3MB. Free memory was 69.4MB in the beginning and 66.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 00:11:02,425 INFO L158 Benchmark]: RCFGBuilder took 2726.89ms. Allocated memory is still 115.3MB. Free memory was 66.4MB in the beginning and 52.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 00:11:02,426 INFO L158 Benchmark]: TraceAbstraction took 521.14ms. Allocated memory is still 115.3MB. Free memory was 51.7MB in the beginning and 35.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 00:11:02,426 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 115.3MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:11:02,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67ms. Allocated memory is still 77.6MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1521.68ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 35.6MB in the beginning and 73.6MB in the end (delta: -38.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.12ms. Allocated memory is still 115.3MB. Free memory was 73.6MB in the beginning and 69.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.26ms. Allocated memory is still 115.3MB. Free memory was 69.4MB in the beginning and 66.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2726.89ms. Allocated memory is still 115.3MB. Free memory was 66.4MB in the beginning and 52.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 521.14ms. Allocated memory is still 115.3MB. Free memory was 51.7MB in the beginning and 35.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 115.3MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1856]: 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 1561. 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); [L1548] int CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_fscanf_square_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_fscanf_square_22_badSink(data) [L1853] COND TRUE \read(CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1856] data * data VAL [CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=1, 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: 1856]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 00:11:02,447 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