./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_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/CWE191_Integer_Underflow__int_min_sub_12_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 bc748cd948ed3ee565c4ea73d30d79b60629ee0830451fcb98cd7ad1f34ca6e8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:58:24,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:58:24,618 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 19:58:24,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:58:24,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:58:24,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:58:24,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:58:24,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:58:24,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:58:24,647 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:58:24,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:58:24,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:58:24,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:58:24,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:58:24,653 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:58:24,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:58:24,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:58:24,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 19:58:24,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:58:24,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:58:24,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:58:24,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:58:24,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:58:24,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:58:24,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:58:24,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:58:24,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:58:24,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:58:24,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:58:24,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:58:24,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:58:24,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:58:24,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:58:24,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:58:24,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:58:24,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 19:58:24,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 19:58:24,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:58:24,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:58:24,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:58:24,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:58:24,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc748cd948ed3ee565c4ea73d30d79b60629ee0830451fcb98cd7ad1f34ca6e8 [2024-11-12 19:58:24,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:58:24,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:58:24,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:58:24,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:58:24,946 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:58:24,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_bad.i [2024-11-12 19:58:26,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:58:26,644 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:58:26,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_bad.i [2024-11-12 19:58:26,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b61c983c/d44ea1c975d546ed9464e7d8b6595d72/FLAG4339eb7b5 [2024-11-12 19:58:26,925 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b61c983c/d44ea1c975d546ed9464e7d8b6595d72 [2024-11-12 19:58:26,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:58:26,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:58:26,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:58:26,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:58:26,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:58:26,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:58:26" (1/1) ... [2024-11-12 19:58:26,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518e3688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:26, skipping insertion in model container [2024-11-12 19:58:26,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:58:26" (1/1) ... [2024-11-12 19:58:26,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:58:27,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:58:27,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:58:27,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:58:27,990 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:58:27,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27 WrapperNode [2024-11-12 19:58:27,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:58:27,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:58:27,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:58:27,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:58:27,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,054 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2024-11-12 19:58:28,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:58:28,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:58:28,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:58:28,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:58:28,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,095 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:58:28,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:58:28,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:58:28,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:58:28,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:58:28,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (1/1) ... [2024-11-12 19:58:28,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:58:28,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:58:28,194 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 19:58:28,199 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 19:58:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-12 19:58:28,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-12 19:58:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-12 19:58:28,244 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-12 19:58:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:58:28,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:58:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:58:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:58:28,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:58:28,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:58:28,372 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:58:28,492 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-12 19:58:28,493 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:58:28,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:58:28,504 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:58:28,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:58:28 BoogieIcfgContainer [2024-11-12 19:58:28,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:58:28,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:58:28,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:58:28,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:58:28,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:58:26" (1/3) ... [2024-11-12 19:58:28,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4438979f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:58:28, skipping insertion in model container [2024-11-12 19:58:28,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:27" (2/3) ... [2024-11-12 19:58:28,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4438979f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:58:28, skipping insertion in model container [2024-11-12 19:58:28,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:58:28" (3/3) ... [2024-11-12 19:58:28,512 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_12_bad.i [2024-11-12 19:58:28,527 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:58:28,528 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 19:58:28,584 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:58:28,591 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;@394e2f1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:58:28,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 19:58:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 30 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 19:58:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 19:58:28,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:58:28,606 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:58:28,607 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 19:58:28,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:58:28,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1213709514, now seen corresponding path program 1 times [2024-11-12 19:58:28,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:58:28,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596723792] [2024-11-12 19:58:28,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:58:28,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:58:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:58:28,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:58:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:58:28,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 19:58:28,860 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:58:28,861 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-12 19:58:28,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-12 19:58:28,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-12 19:58:28,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-12 19:58:28,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 19:58:28,868 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 19:58:28,897 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:58:28,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:58:28 BoogieIcfgContainer [2024-11-12 19:58:28,901 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:58:28,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:58:28,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:58:28,902 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:58:28,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:58:28" (3/4) ... [2024-11-12 19:58:28,905 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:58:28,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:58:28,908 INFO L158 Benchmark]: Toolchain (without parser) took 1978.78ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 108.1MB in the end (delta: 8.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-12 19:58:28,908 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:58:28,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.22ms. Allocated memory is still 174.1MB. Free memory was 116.1MB in the beginning and 53.5MB in the end (delta: 62.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-12 19:58:28,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.09ms. Allocated memory is still 174.1MB. Free memory was 53.5MB in the beginning and 50.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:58:28,910 INFO L158 Benchmark]: Boogie Preprocessor took 60.62ms. Allocated memory is still 174.1MB. Free memory was 50.7MB in the beginning and 140.5MB in the end (delta: -89.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-12 19:58:28,911 INFO L158 Benchmark]: RCFGBuilder took 388.25ms. Allocated memory is still 174.1MB. Free memory was 140.5MB in the beginning and 127.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 19:58:28,912 INFO L158 Benchmark]: TraceAbstraction took 394.25ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 108.1MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 19:58:28,912 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 174.1MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:58:28,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.22ms. Allocated memory is still 174.1MB. Free memory was 116.1MB in the beginning and 53.5MB in the end (delta: 62.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.09ms. Allocated memory is still 174.1MB. Free memory was 53.5MB in the beginning and 50.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.62ms. Allocated memory is still 174.1MB. Free memory was 50.7MB in the beginning and 140.5MB in the end (delta: -89.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * RCFGBuilder took 388.25ms. Allocated memory is still 174.1MB. Free memory was 140.5MB in the beginning and 127.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 394.25ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 108.1MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 174.1MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1583. 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] [L1583] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1583] 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] [L1584] CALL CWE191_Integer_Underflow__int_min_sub_12_bad() [L1550] int data; [L1551] data = 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] data = (-0x7fffffff - 1) VAL [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] [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [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] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1571]: 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 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=41occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 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 [2024-11-12 19:58:28,953 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/CWE191_Integer_Underflow__int_min_sub_12_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 bc748cd948ed3ee565c4ea73d30d79b60629ee0830451fcb98cd7ad1f34ca6e8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:58:31,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:58:31,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 19:58:31,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:58:31,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:58:31,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 19:58:31,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:58:31,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:58:31,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:58:31,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:58:31,316 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:58:31,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:58:31,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:58:31,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:58:31,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:58:31,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:58:31,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:58:31,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:58:31,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:58:31,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:58:31,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:58:31,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:58:31,323 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 19:58:31,325 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 19:58:31,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:58:31,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:58:31,326 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 19:58:31,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:58:31,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:58:31,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:58:31,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:58:31,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:58:31,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:58:31,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:58:31,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:58:31,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:58:31,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:58:31,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:58:31,330 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 19:58:31,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 19:58:31,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:58:31,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:58:31,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:58:31,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:58:31,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc748cd948ed3ee565c4ea73d30d79b60629ee0830451fcb98cd7ad1f34ca6e8 [2024-11-12 19:58:31,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:58:31,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:58:31,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:58:31,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:58:31,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:58:31,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_bad.i [2024-11-12 19:58:33,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:58:33,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:58:33,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_bad.i [2024-11-12 19:58:33,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc85b68f0/06b8068b9af0422496767f5dbae2a209/FLAG8f2bbc674 [2024-11-12 19:58:33,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc85b68f0/06b8068b9af0422496767f5dbae2a209 [2024-11-12 19:58:33,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:58:33,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:58:33,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:58:33,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:58:33,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:58:33,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:58:33" (1/1) ... [2024-11-12 19:58:33,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea8868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:33, skipping insertion in model container [2024-11-12 19:58:33,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:58:33" (1/1) ... [2024-11-12 19:58:33,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:58:34,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:58:34,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:58:34,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:58:34,656 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:58:34,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34 WrapperNode [2024-11-12 19:58:34,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:58:34,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:58:34,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:58:34,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:58:34,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,732 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-11-12 19:58:34,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:58:34,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:58:34,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:58:34,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:58:34,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,768 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:58:34,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:58:34,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:58:34,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:58:34,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:58:34,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (1/1) ... [2024-11-12 19:58:34,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:58:34,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:58:34,837 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 19:58:34,839 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 19:58:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-12 19:58:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-12 19:58:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-12 19:58:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-12 19:58:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:58:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:58:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:58:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:58:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:58:35,029 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:58:35,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:58:35,178 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-12 19:58:35,179 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:58:35,192 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:58:35,192 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:58:35,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:58:35 BoogieIcfgContainer [2024-11-12 19:58:35,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:58:35,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:58:35,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:58:35,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:58:35,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:58:33" (1/3) ... [2024-11-12 19:58:35,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786421aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:58:35, skipping insertion in model container [2024-11-12 19:58:35,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:58:34" (2/3) ... [2024-11-12 19:58:35,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786421aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:58:35, skipping insertion in model container [2024-11-12 19:58:35,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:58:35" (3/3) ... [2024-11-12 19:58:35,200 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_12_bad.i [2024-11-12 19:58:35,214 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:58:35,214 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 19:58:35,271 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:58:35,278 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;@347bb0bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:58:35,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 19:58:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 28 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 19:58:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 19:58:35,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:58:35,293 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:58:35,294 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 19:58:35,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:58:35,301 INFO L85 PathProgramCache]: Analyzing trace with hash -806793905, now seen corresponding path program 1 times [2024-11-12 19:58:35,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 19:58:35,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798831865] [2024-11-12 19:58:35,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:58:35,317 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 19:58:35,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 19:58:35,320 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 19:58:35,321 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 19:58:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:58:35,429 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:58:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:58:35,505 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 19:58:35,507 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:58:35,508 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-12 19:58:35,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-12 19:58:35,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-12 19:58:35,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-12 19:58:35,524 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 19:58:35,711 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 19:58:35,715 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 19:58:35,740 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:58:35,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:58:35 BoogieIcfgContainer [2024-11-12 19:58:35,743 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:58:35,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:58:35,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:58:35,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:58:35,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:58:35" (3/4) ... [2024-11-12 19:58:35,746 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:58:35,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:58:35,748 INFO L158 Benchmark]: Toolchain (without parser) took 2122.30ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 53.8MB in the beginning and 64.5MB in the end (delta: -10.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-12 19:58:35,748 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 23.0MB in the beginning and 22.9MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:58:35,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1030.84ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 53.5MB in the beginning and 45.7MB in the end (delta: 7.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-12 19:58:35,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.86ms. Allocated memory is still 96.5MB. Free memory was 45.7MB in the beginning and 42.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:58:35,749 INFO L158 Benchmark]: Boogie Preprocessor took 69.15ms. Allocated memory is still 96.5MB. Free memory was 42.7MB in the beginning and 68.8MB in the end (delta: -26.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-12 19:58:35,750 INFO L158 Benchmark]: RCFGBuilder took 388.87ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 54.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 19:58:35,750 INFO L158 Benchmark]: TraceAbstraction took 549.01ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 64.5MB in the end (delta: -10.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 19:58:35,751 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 96.5MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:58:35,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 23.0MB in the beginning and 22.9MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1030.84ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 53.5MB in the beginning and 45.7MB in the end (delta: 7.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.86ms. Allocated memory is still 96.5MB. Free memory was 45.7MB in the beginning and 42.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.15ms. Allocated memory is still 96.5MB. Free memory was 42.7MB in the beginning and 68.8MB in the end (delta: -26.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 388.87ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 54.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 549.01ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 64.5MB in the end (delta: -10.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 96.5MB. Free memory is still 64.5MB. 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1583. 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] [L1583] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1583] 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] [L1584] CALL CWE191_Integer_Underflow__int_min_sub_12_bad() [L1550] int data; [L1551] data = 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] data = (-0x7fffffff - 1) VAL [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] [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [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] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1571]: 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 4 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, 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=39occurred 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, 19 NumberOfCodeBlocks, 19 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 [2024-11-12 19:58:35,790 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