./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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_31_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 1d28d7b533ce9e16e55305f979aa9f22e63c57741db66d4e435f3a8da26beda3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:19:02,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:19:02,298 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:19:02,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:19:02,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:19:02,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:19:02,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:19:02,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:19:02,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:19:02,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:19:02,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:19:02,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:19:02,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:19:02,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:19:02,321 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:19:02,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:19:02,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:19:02,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:19:02,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:19:02,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:19:02,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:19:02,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:19:02,327 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:19:02,327 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:19:02,327 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:19:02,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:19:02,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:19:02,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:19:02,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:19:02,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:19:02,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:19:02,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:19:02,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:19:02,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:19:02,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:19:02,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:19:02,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:19:02,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:19:02,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:19:02,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:19:02,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:19:02,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d28d7b533ce9e16e55305f979aa9f22e63c57741db66d4e435f3a8da26beda3 [2024-11-19 13:19:02,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:19:02,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:19:02,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:19:02,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:19:02,494 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:19:02,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_31_bad.i [2024-11-19 13:19:03,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:19:04,128 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:19:04,129 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_31_bad.i [2024-11-19 13:19:04,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6e8100ce/87083ab1a8094188a8d05ab8dd8d589e/FLAG4eab19ea1 [2024-11-19 13:19:04,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6e8100ce/87083ab1a8094188a8d05ab8dd8d589e [2024-11-19 13:19:04,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:19:04,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:19:04,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:19:04,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:19:04,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:19:04,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:04" (1/1) ... [2024-11-19 13:19:04,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd538fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04, skipping insertion in model container [2024-11-19 13:19:04,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:04" (1/1) ... [2024-11-19 13:19:04,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:19:04,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:19:04,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:19:04,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:19:05,014 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:19:05,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05 WrapperNode [2024-11-19 13:19:05,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:19:05,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:19:05,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:19:05,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:19:05,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,056 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-19 13:19:05,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:19:05,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:19:05,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:19:05,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:19:05,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,067 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,076 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:19:05,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:19:05,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:19:05,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:19:05,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:19:05,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (1/1) ... [2024-11-19 13:19:05,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:19:05,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:19:05,132 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) [2024-11-19 13:19:05,139 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 [2024-11-19 13:19:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:19:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:19:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:19:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:19:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:19:05,313 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:19:05,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:19:05,369 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-19 13:19:05,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:19:05,377 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:19:05,377 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:19:05,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:05 BoogieIcfgContainer [2024-11-19 13:19:05,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:19:05,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:19:05,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:19:05,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:19:05,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:19:04" (1/3) ... [2024-11-19 13:19:05,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4842f524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:05, skipping insertion in model container [2024-11-19 13:19:05,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:05" (2/3) ... [2024-11-19 13:19:05,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4842f524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:05, skipping insertion in model container [2024-11-19 13:19:05,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:05" (3/3) ... [2024-11-19 13:19:05,384 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_31_bad.i [2024-11-19 13:19:05,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:19:05,396 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:19:05,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:19:05,443 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;@555274fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:19:05,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:19:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:19:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 13:19:05,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:19:05,451 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:19:05,451 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:19:05,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:19:05,455 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-19 13:19:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:19:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136303851] [2024-11-19 13:19:05,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:19:05,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:19:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:19:05,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:19:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:19:05,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:19:05,573 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:19:05,574 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:19:05,576 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:19:05,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:19:05,579 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:19:05,597 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:19:05,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:19:05 BoogieIcfgContainer [2024-11-19 13:19:05,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:19:05,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:19:05,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:19:05,601 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:19:05,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:05" (3/4) ... [2024-11-19 13:19:05,603 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:19:05,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:19:05,605 INFO L158 Benchmark]: Toolchain (without parser) took 1440.66ms. Allocated memory is still 209.7MB. Free memory was 138.1MB in the beginning and 101.7MB in the end (delta: 36.4MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-19 13:19:05,605 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:05,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.98ms. Allocated memory is still 209.7MB. Free memory was 137.9MB in the beginning and 135.3MB in the end (delta: 2.6MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-19 13:19:05,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.15ms. Allocated memory is still 209.7MB. Free memory was 135.3MB in the beginning and 132.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:19:05,607 INFO L158 Benchmark]: Boogie Preprocessor took 33.11ms. Allocated memory is still 209.7MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:19:05,607 INFO L158 Benchmark]: RCFGBuilder took 287.14ms. Allocated memory is still 209.7MB. Free memory was 130.2MB in the beginning and 117.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:19:05,607 INFO L158 Benchmark]: TraceAbstraction took 220.78ms. Allocated memory is still 209.7MB. Free memory was 117.7MB in the beginning and 102.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 13:19:05,608 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 209.7MB. Free memory was 102.1MB in the beginning and 101.7MB in the end (delta: 406.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:05,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.98ms. Allocated memory is still 209.7MB. Free memory was 137.9MB in the beginning and 135.3MB in the end (delta: 2.6MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.15ms. Allocated memory is still 209.7MB. Free memory was 135.3MB in the beginning and 132.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.11ms. Allocated memory is still 209.7MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.14ms. Allocated memory is still 209.7MB. Free memory was 130.2MB in the beginning and 117.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 220.78ms. Allocated memory is still 209.7MB. Free memory was 117.7MB in the beginning and 102.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 209.7MB. Free memory was 102.1MB in the beginning and 101.7MB in the end (delta: 406.9kB). 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: 1557]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 9 NumberOfCodeBlocks, 9 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 [2024-11-19 13:19:05,638 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_31_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 1d28d7b533ce9e16e55305f979aa9f22e63c57741db66d4e435f3a8da26beda3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:19:07,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:19:07,915 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:19:07,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:19:07,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:19:07,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:19:07,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:19:07,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:19:07,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:19:07,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:19:07,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:19:07,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:19:07,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:19:07,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:19:07,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:19:07,954 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:19:07,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:19:07,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:19:07,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:19:07,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:19:07,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:19:07,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:19:07,957 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:19:07,957 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:19:07,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:19:07,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:19:07,957 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:19:07,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:19:07,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:19:07,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:19:07,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:19:07,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:19:07,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:19:07,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:19:07,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:19:07,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:19:07,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:19:07,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:19:07,960 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:19:07,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:19:07,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:19:07,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:19:07,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:19:07,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:19:07,964 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d28d7b533ce9e16e55305f979aa9f22e63c57741db66d4e435f3a8da26beda3 [2024-11-19 13:19:08,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:19:08,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:19:08,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:19:08,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:19:08,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:19:08,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_31_bad.i [2024-11-19 13:19:09,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:19:10,192 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:19:10,192 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_31_bad.i [2024-11-19 13:19:10,206 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e781d0fe/33e78430981448b4a1093a8e8820d92e/FLAG8a290df2b [2024-11-19 13:19:10,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e781d0fe/33e78430981448b4a1093a8e8820d92e [2024-11-19 13:19:10,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:19:10,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:19:10,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:19:10,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:19:10,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:19:10,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:10" (1/1) ... [2024-11-19 13:19:10,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d391378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10, skipping insertion in model container [2024-11-19 13:19:10,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:10" (1/1) ... [2024-11-19 13:19:10,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:19:11,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:19:11,227 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:19:11,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:19:11,407 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:19:11,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11 WrapperNode [2024-11-19 13:19:11,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:19:11,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:19:11,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:19:11,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:19:11,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,461 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-19 13:19:11,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:19:11,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:19:11,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:19:11,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:19:11,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,481 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:19:11,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:19:11,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:19:11,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:19:11,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:19:11,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (1/1) ... [2024-11-19 13:19:11,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:19:11,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:19:11,545 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) [2024-11-19 13:19:11,549 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 [2024-11-19 13:19:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:19:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:19:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:19:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:19:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:19:11,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:19:11,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:19:11,975 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-19 13:19:11,975 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:19:11,997 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:19:11,998 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:19:11,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:11 BoogieIcfgContainer [2024-11-19 13:19:11,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:19:12,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:19:12,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:19:12,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:19:12,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:19:10" (1/3) ... [2024-11-19 13:19:12,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431cd396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:12, skipping insertion in model container [2024-11-19 13:19:12,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:11" (2/3) ... [2024-11-19 13:19:12,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431cd396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:12, skipping insertion in model container [2024-11-19 13:19:12,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:11" (3/3) ... [2024-11-19 13:19:12,010 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_31_bad.i [2024-11-19 13:19:12,044 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:19:12,044 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:19:12,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:19:12,153 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;@3d6fbf66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:19:12,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:19:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:19:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 13:19:12,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:19:12,176 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:19:12,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:19:12,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:19:12,187 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-19 13:19:12,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:19:12,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242057390] [2024-11-19 13:19:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:19:12,199 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 [2024-11-19 13:19:12,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:19:12,201 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) [2024-11-19 13:19:12,202 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 [2024-11-19 13:19:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:19:12,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:19:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:19:12,308 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:19:12,309 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:19:12,310 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:19:12,311 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:19:12,316 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 [2024-11-19 13:19:12,515 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 [2024-11-19 13:19:12,518 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:19:12,532 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:19:12,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:19:12 BoogieIcfgContainer [2024-11-19 13:19:12,534 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:19:12,535 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:19:12,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:19:12,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:19:12,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:11" (3/4) ... [2024-11-19 13:19:12,544 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:19:12,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:19:12,546 INFO L158 Benchmark]: Toolchain (without parser) took 2071.79ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 35.6MB in the beginning and 38.5MB in the end (delta: -2.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-19 13:19:12,549 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:12,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 930.60ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 35.4MB in the beginning and 43.9MB in the end (delta: -8.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-19 13:19:12,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.93ms. Allocated memory is still 94.4MB. Free memory was 43.9MB in the beginning and 40.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:19:12,550 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 94.4MB. Free memory was 40.9MB in the beginning and 38.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:19:12,551 INFO L158 Benchmark]: RCFGBuilder took 504.19ms. Allocated memory is still 94.4MB. Free memory was 38.3MB in the beginning and 55.3MB in the end (delta: -17.0MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-11-19 13:19:12,551 INFO L158 Benchmark]: TraceAbstraction took 534.49ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 39.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 13:19:12,551 INFO L158 Benchmark]: Witness Printer took 10.46ms. Allocated memory is still 94.4MB. Free memory was 39.1MB in the beginning and 38.5MB in the end (delta: 533.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:12,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 930.60ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 35.4MB in the beginning and 43.9MB in the end (delta: -8.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.93ms. Allocated memory is still 94.4MB. Free memory was 43.9MB in the beginning and 40.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 94.4MB. Free memory was 40.9MB in the beginning and 38.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.19ms. Allocated memory is still 94.4MB. Free memory was 38.3MB in the beginning and 55.3MB in the end (delta: -17.0MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * TraceAbstraction took 534.49ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 39.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 10.46ms. Allocated memory is still 94.4MB. Free memory was 39.1MB in the beginning and 38.5MB in the end (delta: 533.4kB). 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: 1557]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 9 NumberOfCodeBlocks, 9 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 [2024-11-19 13:19:12,592 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