./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7daf5f93fb423548f74816741fd44894a1bb8a4405cb2d0f5b1bdce1d257fd36 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 18:40:48,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 18:40:48,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 18:40:48,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 18:40:48,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 18:40:48,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 18:40:48,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 18:40:48,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 18:40:48,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 18:40:48,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 18:40:48,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 18:40:48,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 18:40:48,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 18:40:48,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 18:40:48,682 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 18:40:48,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 18:40:48,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 18:40:48,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 18:40:48,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 18:40:48,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 18:40:48,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 18:40:48,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 18:40:48,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 18:40:48,689 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 18:40:48,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 18:40:48,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 18:40:48,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 18:40:48,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 18:40:48,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 18:40:48,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 18:40:48,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 18:40:48,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:40:48,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 18:40:48,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 18:40:48,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 18:40:48,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 18:40:48,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 18:40:48,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 18:40:48,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 18:40:48,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 18:40:48,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 18:40:48,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7daf5f93fb423548f74816741fd44894a1bb8a4405cb2d0f5b1bdce1d257fd36 [2024-11-12 18:40:48,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 18:40:48,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 18:40:48,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 18:40:48,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 18:40:48,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 18:40:48,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i [2024-11-12 18:40:50,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 18:40:50,372 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 18:40:50,373 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i [2024-11-12 18:40:50,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b5f2da8b/8f3479849ca64139b91392f3f6f1552d/FLAG1c2a9fbdc [2024-11-12 18:40:50,402 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b5f2da8b/8f3479849ca64139b91392f3f6f1552d [2024-11-12 18:40:50,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 18:40:50,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 18:40:50,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 18:40:50,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 18:40:50,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 18:40:50,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:40:50" (1/1) ... [2024-11-12 18:40:50,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9250b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:50, skipping insertion in model container [2024-11-12 18:40:50,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:40:50" (1/1) ... [2024-11-12 18:40:50,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 18:40:51,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:40:51,030 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 18:40:51,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:40:51,224 INFO L204 MainTranslator]: Completed translation [2024-11-12 18:40:51,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51 WrapperNode [2024-11-12 18:40:51,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 18:40:51,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 18:40:51,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 18:40:51,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 18:40:51,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,270 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-12 18:40:51,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 18:40:51,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 18:40:51,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 18:40:51,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 18:40:51,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,293 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-12 18:40:51,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 18:40:51,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 18:40:51,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 18:40:51,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 18:40:51,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (1/1) ... [2024-11-12 18:40:51,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:40:51,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 18:40:51,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 18:40:51,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 18:40:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 18:40:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 18:40:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 18:40:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 18:40:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 18:40:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 18:40:51,489 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 18:40:51,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 18:40:51,577 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-12 18:40:51,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 18:40:51,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 18:40:51,589 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 18:40:51,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:40:51 BoogieIcfgContainer [2024-11-12 18:40:51,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 18:40:51,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 18:40:51,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 18:40:51,594 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 18:40:51,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:40:50" (1/3) ... [2024-11-12 18:40:51,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527dae3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:40:51, skipping insertion in model container [2024-11-12 18:40:51,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:51" (2/3) ... [2024-11-12 18:40:51,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527dae3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:40:51, skipping insertion in model container [2024-11-12 18:40:51,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:40:51" (3/3) ... [2024-11-12 18:40:51,596 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i [2024-11-12 18:40:51,608 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 18:40:51,609 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 18:40:51,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 18:40:51,656 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;@52693bb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 18:40:51,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 18:40:51,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 18:40:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-12 18:40:51,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:40:51,664 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:40:51,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:40:51,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:40:51,669 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-12 18:40:51,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 18:40:51,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947098688] [2024-11-12 18:40:51,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:40:51,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 18:40:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:40:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 18:40:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:40:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 18:40:51,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 18:40:51,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947098688] [2024-11-12 18:40:51,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947098688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:40:51,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:40:51,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 18:40:51,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838029737] [2024-11-12 18:40:51,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:40:51,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 18:40:51,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 18:40:51,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 18:40:51,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:40:51,961 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2024-11-12 18:40:51,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:40:51,981 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-12 18:40:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 18:40:51,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) Word has length 12 [2024-11-12 18:40:51,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:40:51,988 INFO L225 Difference]: With dead ends: 24 [2024-11-12 18:40:51,988 INFO L226 Difference]: Without dead ends: 16 [2024-11-12 18:40:51,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:40:51,995 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 43 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 [2024-11-12 18:40:51,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 43 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 18:40:52,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-12 18:40:52,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-12 18:40:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 18:40:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-12 18:40:52,022 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2024-11-12 18:40:52,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:40:52,023 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-12 18:40:52,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2024-11-12 18:40:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-12 18:40:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 18:40:52,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:40:52,025 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:40:52,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 18:40:52,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:40:52,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:40:52,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1418852022, now seen corresponding path program 1 times [2024-11-12 18:40:52,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 18:40:52,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577565157] [2024-11-12 18:40:52,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:40:52,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 18:40:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:40:52,077 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 18:40:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:40:52,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 18:40:52,111 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 18:40:52,112 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 18:40:52,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 18:40:52,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 18:40:52,118 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 18:40:52,141 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 18:40:52,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:40:52 BoogieIcfgContainer [2024-11-12 18:40:52,146 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 18:40:52,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 18:40:52,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 18:40:52,147 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 18:40:52,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:40:51" (3/4) ... [2024-11-12 18:40:52,149 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 18:40:52,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 18:40:52,152 INFO L158 Benchmark]: Toolchain (without parser) took 1746.12ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 110.9MB in the beginning and 134.7MB in the end (delta: -23.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-12 18:40:52,153 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 169.9MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:40:52,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.67ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 110.9MB in the beginning and 193.4MB in the end (delta: -82.5MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2024-11-12 18:40:52,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.87ms. Allocated memory is still 230.7MB. Free memory was 193.4MB in the beginning and 190.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 18:40:52,155 INFO L158 Benchmark]: Boogie Preprocessor took 31.58ms. Allocated memory is still 230.7MB. Free memory was 190.3MB in the beginning and 188.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 18:40:52,155 INFO L158 Benchmark]: RCFGBuilder took 286.36ms. Allocated memory is still 230.7MB. Free memory was 188.2MB in the beginning and 173.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 18:40:52,155 INFO L158 Benchmark]: TraceAbstraction took 555.24ms. Allocated memory is still 230.7MB. Free memory was 173.5MB in the beginning and 134.7MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-12 18:40:52,156 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 230.7MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:40:52,160 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 169.9MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 818.67ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 110.9MB in the beginning and 193.4MB in the end (delta: -82.5MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.87ms. Allocated memory is still 230.7MB. Free memory was 193.4MB in the beginning and 190.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.58ms. Allocated memory is still 230.7MB. Free memory was 190.3MB in the beginning and 188.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.36ms. Allocated memory is still 230.7MB. Free memory was 188.2MB in the beginning and 173.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 555.24ms. Allocated memory is still 230.7MB. Free memory was 173.5MB in the beginning and 134.7MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 230.7MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of large string literal at line 1563, overapproximation of fgets 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] [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_postinc_61b_badSource(data) [L1571] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] data = atoi(inputBuffer) [L1581] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_postinc_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_postinc_61b_badSource(data) [L1555] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 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=24occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 18:40:52,185 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7daf5f93fb423548f74816741fd44894a1bb8a4405cb2d0f5b1bdce1d257fd36 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 18:40:53,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 18:40:53,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 18:40:53,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 18:40:53,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 18:40:53,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 18:40:54,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 18:40:54,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 18:40:54,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 18:40:54,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 18:40:54,006 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 18:40:54,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 18:40:54,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 18:40:54,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 18:40:54,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 18:40:54,007 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 18:40:54,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 18:40:54,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 18:40:54,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 18:40:54,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 18:40:54,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 18:40:54,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 18:40:54,009 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 18:40:54,009 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 18:40:54,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 18:40:54,010 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 18:40:54,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 18:40:54,010 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 18:40:54,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 18:40:54,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 18:40:54,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 18:40:54,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 18:40:54,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 18:40:54,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 18:40:54,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:40:54,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 18:40:54,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 18:40:54,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 18:40:54,012 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 18:40:54,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 18:40:54,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 18:40:54,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 18:40:54,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 18:40:54,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 18:40:54,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7daf5f93fb423548f74816741fd44894a1bb8a4405cb2d0f5b1bdce1d257fd36 [2024-11-12 18:40:54,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 18:40:54,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 18:40:54,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 18:40:54,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 18:40:54,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 18:40:54,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i [2024-11-12 18:40:55,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 18:40:55,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 18:40:55,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i [2024-11-12 18:40:55,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4207a57e9/402cbf7f897a4076b6a95a8bee70ec8e/FLAG75baeb11a [2024-11-12 18:40:56,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4207a57e9/402cbf7f897a4076b6a95a8bee70ec8e [2024-11-12 18:40:56,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 18:40:56,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 18:40:56,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 18:40:56,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 18:40:56,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 18:40:56,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:56,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89287ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56, skipping insertion in model container [2024-11-12 18:40:56,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:56,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 18:40:56,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:40:56,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 18:40:56,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:40:56,979 INFO L204 MainTranslator]: Completed translation [2024-11-12 18:40:56,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56 WrapperNode [2024-11-12 18:40:56,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 18:40:56,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 18:40:56,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 18:40:56,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 18:40:56,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,030 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-12 18:40:57,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 18:40:57,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 18:40:57,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 18:40:57,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 18:40:57,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,044 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,059 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-12 18:40:57,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 18:40:57,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 18:40:57,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 18:40:57,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 18:40:57,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (1/1) ... [2024-11-12 18:40:57,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:40:57,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 18:40:57,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 18:40:57,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 18:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 18:40:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 18:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 18:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 18:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 18:40:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 18:40:57,241 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 18:40:57,242 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 18:40:57,358 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-12 18:40:57,358 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 18:40:57,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 18:40:57,370 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 18:40:57,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:40:57 BoogieIcfgContainer [2024-11-12 18:40:57,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 18:40:57,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 18:40:57,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 18:40:57,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 18:40:57,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:40:56" (1/3) ... [2024-11-12 18:40:57,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d906880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:40:57, skipping insertion in model container [2024-11-12 18:40:57,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:40:56" (2/3) ... [2024-11-12 18:40:57,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d906880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:40:57, skipping insertion in model container [2024-11-12 18:40:57,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:40:57" (3/3) ... [2024-11-12 18:40:57,378 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_61_bad.i [2024-11-12 18:40:57,403 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 18:40:57,404 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 18:40:57,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 18:40:57,461 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;@34aa5dd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 18:40:57,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 18:40:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 18:40:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-12 18:40:57,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:40:57,472 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:40:57,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:40:57,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:40:57,478 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-12 18:40:57,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:40:57,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596828485] [2024-11-12 18:40:57,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:40:57,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 18:40:57,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:40:57,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 18:40:57,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-12 18:40:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:40:57,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 18:40:57,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 18:40:57,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 18:40:57,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 18:40:57,629 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 18:40:57,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596828485] [2024-11-12 18:40:57,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596828485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:40:57,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:40:57,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 18:40:57,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661111115] [2024-11-12 18:40:57,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:40:57,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 18:40:57,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 18:40:57,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 18:40:57,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 18:40:57,656 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 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) [2024-11-12 18:40:57,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:40:57,667 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-12 18:40:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 18:40:57,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 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) Word has length 12 [2024-11-12 18:40:57,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:40:57,674 INFO L225 Difference]: With dead ends: 24 [2024-11-12 18:40:57,674 INFO L226 Difference]: Without dead ends: 16 [2024-11-12 18:40:57,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 18:40:57,680 INFO L435 NwaCegarLoop]: 26 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, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 18:40:57,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 18:40:57,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-12 18:40:57,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-12 18:40:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 18:40:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-12 18:40:57,705 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2024-11-12 18:40:57,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:40:57,707 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-12 18:40:57,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 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) [2024-11-12 18:40:57,707 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-12 18:40:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 18:40:57,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:40:57,708 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:40:57,737 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 [2024-11-12 18:40:57,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 18:40:57,916 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:40:57,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:40:57,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1418852022, now seen corresponding path program 1 times [2024-11-12 18:40:57,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:40:57,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740815019] [2024-11-12 18:40:57,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:40:57,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 18:40:57,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:40:57,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 18:40:57,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-12 18:40:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:40:58,007 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 18:40:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:40:58,067 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 18:40:58,068 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 18:40:58,069 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 18:40:58,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 18:40:58,077 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 (3)] Forceful destruction successful, exit code 0 [2024-11-12 18:40:58,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 18:40:58,277 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 18:40:58,296 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 18:40:58,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:40:58 BoogieIcfgContainer [2024-11-12 18:40:58,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 18:40:58,299 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 18:40:58,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 18:40:58,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 18:40:58,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:40:57" (3/4) ... [2024-11-12 18:40:58,301 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 18:40:58,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 18:40:58,302 INFO L158 Benchmark]: Toolchain (without parser) took 2224.44ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 54.3MB in the beginning and 42.5MB in the end (delta: 11.8MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-12 18:40:58,303 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:40:58,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.67ms. Allocated memory is still 86.0MB. Free memory was 54.1MB in the beginning and 54.3MB in the end (delta: -126.4kB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-12 18:40:58,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.14ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 51.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 18:40:58,303 INFO L158 Benchmark]: Boogie Preprocessor took 40.97ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 48.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 18:40:58,304 INFO L158 Benchmark]: RCFGBuilder took 298.83ms. Allocated memory is still 86.0MB. Free memory was 48.4MB in the beginning and 33.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 18:40:58,304 INFO L158 Benchmark]: TraceAbstraction took 926.19ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 32.8MB in the beginning and 42.5MB in the end (delta: -9.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-12 18:40:58,304 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 104.9MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:40:58,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 899.67ms. Allocated memory is still 86.0MB. Free memory was 54.1MB in the beginning and 54.3MB in the end (delta: -126.4kB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.14ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 51.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.97ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 48.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 298.83ms. Allocated memory is still 86.0MB. Free memory was 48.4MB in the beginning and 33.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 926.19ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 32.8MB in the beginning and 42.5MB in the end (delta: -9.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 104.9MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of large string literal at line 1563, overapproximation of fgets 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] [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_postinc_61b_badSource(data) [L1571] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] data = atoi(inputBuffer) [L1581] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_postinc_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_postinc_61b_badSource(data) [L1555] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 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, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 18:40:58,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample