./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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_predec_15_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 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:04:08,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:04:08,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 07:04:08,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:04:08,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:04:08,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:04:08,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:04:08,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:04:08,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:04:08,093 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:04:08,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:04:08,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:04:08,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:04:08,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:04:08,096 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:04:08,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:04:08,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:04:08,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:04:08,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:04:08,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:04:08,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:04:08,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:04:08,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:04:08,103 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:04:08,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:04:08,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:04:08,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:04:08,103 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:04:08,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:04:08,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:04:08,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:04:08,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:04:08,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:04:08,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:04:08,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:04:08,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:04:08,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:04:08,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:04:08,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:04:08,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:04:08,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:04:08,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 [2024-11-17 07:04:08,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:04:08,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:04:08,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:04:08,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:04:08,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:04:08,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-11-17 07:04:09,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:04:09,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:04:09,919 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-11-17 07:04:09,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ab55ea3/4f4147bddd9449258854c39751e073de/FLAG03e87dbf9 [2024-11-17 07:04:10,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ab55ea3/4f4147bddd9449258854c39751e073de [2024-11-17 07:04:10,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:04:10,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:04:10,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:04:10,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:04:10,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:04:10,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:04:10" (1/1) ... [2024-11-17 07:04:10,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4ed419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:10, skipping insertion in model container [2024-11-17 07:04:10,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:04:10" (1/1) ... [2024-11-17 07:04:10,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:04:10,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:04:10,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:04:11,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:04:11,206 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:04:11,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11 WrapperNode [2024-11-17 07:04:11,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:04:11,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:04:11,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:04:11,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:04:11,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,249 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-17 07:04:11,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:04:11,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:04:11,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:04:11,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:04:11,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,261 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,269 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 07:04:11,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:04:11,276 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:04:11,277 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:04:11,277 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:04:11,277 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (1/1) ... [2024-11-17 07:04:11,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:04:11,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:04:11,310 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) [2024-11-17 07:04:11,313 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 [2024-11-17 07:04:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 07:04:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 07:04:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:04:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:04:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:04:11,479 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:04:11,481 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:04:11,586 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-17 07:04:11,586 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:04:11,597 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:04:11,597 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:04:11,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:04:11 BoogieIcfgContainer [2024-11-17 07:04:11,598 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:04:11,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:04:11,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:04:11,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:04:11,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:04:10" (1/3) ... [2024-11-17 07:04:11,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137265d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:04:11, skipping insertion in model container [2024-11-17 07:04:11,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:11" (2/3) ... [2024-11-17 07:04:11,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137265d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:04:11, skipping insertion in model container [2024-11-17 07:04:11,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:04:11" (3/3) ... [2024-11-17 07:04:11,607 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-11-17 07:04:11,623 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:04:11,623 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 07:04:11,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:04:11,685 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;@1e57a303, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:04:11,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 07:04:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:04:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 07:04:11,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:04:11,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:04:11,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:04:11,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:04:11,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1769130973, now seen corresponding path program 1 times [2024-11-17 07:04:11,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:04:11,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462447203] [2024-11-17 07:04:11,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:04:11,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:04:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:04:11,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 07:04:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:04:11,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 07:04:11,863 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 07:04:11,863 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 07:04:11,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 07:04:11,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:04:11,868 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 07:04:11,892 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:04:11,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:04:11 BoogieIcfgContainer [2024-11-17 07:04:11,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:04:11,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:04:11,897 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:04:11,897 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:04:11,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:04:11" (3/4) ... [2024-11-17 07:04:11,900 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 07:04:11,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:04:11,902 INFO L158 Benchmark]: Toolchain (without parser) took 1675.19ms. Allocated memory is still 176.2MB. Free memory was 104.6MB in the beginning and 80.8MB in the end (delta: 23.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-17 07:04:11,902 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 70.0MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:04:11,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.73ms. Allocated memory is still 176.2MB. Free memory was 104.3MB in the beginning and 115.8MB in the end (delta: -11.5MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-11-17 07:04:11,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.93ms. Allocated memory is still 176.2MB. Free memory was 115.8MB in the beginning and 113.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:04:11,903 INFO L158 Benchmark]: Boogie Preprocessor took 25.74ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 111.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:04:11,904 INFO L158 Benchmark]: IcfgBuilder took 321.36ms. Allocated memory is still 176.2MB. Free memory was 111.4MB in the beginning and 98.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 07:04:11,905 INFO L158 Benchmark]: TraceAbstraction took 293.52ms. Allocated memory is still 176.2MB. Free memory was 97.5MB in the beginning and 81.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 07:04:11,906 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 176.2MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 642.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:04:11,908 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 111.1MB. Free memory was 70.2MB in the beginning and 70.0MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.73ms. Allocated memory is still 176.2MB. Free memory was 104.3MB in the beginning and 115.8MB in the end (delta: -11.5MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.93ms. Allocated memory is still 176.2MB. Free memory was 115.8MB in the beginning and 113.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.74ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 111.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 321.36ms. Allocated memory is still 176.2MB. Free memory was 111.4MB in the beginning and 98.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 293.52ms. Allocated memory is still 176.2MB. Free memory was 97.5MB in the beginning and 81.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 176.2MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 642.8kB). 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: 1565]: 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 1578. 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] 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] [L1563] case 7: 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] [L1565] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1565]: 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, 28 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=28occurred 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, 12 NumberOfCodeBlocks, 12 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 [2024-11-17 07:04:11,939 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_predec_15_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 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:04:13,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:04:13,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 07:04:13,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:04:13,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:04:13,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 07:04:13,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:04:13,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:04:13,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:04:13,932 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:04:13,932 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:04:13,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:04:13,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:04:13,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:04:13,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:04:13,933 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:04:13,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:04:13,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:04:13,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:04:13,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:04:13,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:04:13,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:04:13,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 07:04:13,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 07:04:13,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:04:13,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:04:13,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 07:04:13,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:04:13,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:04:13,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:04:13,936 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:04:13,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:04:13,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:04:13,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:04:13,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:04:13,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:04:13,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:04:13,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:04:13,938 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 07:04:13,939 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 07:04:13,939 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:04:13,939 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:04:13,939 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:04:13,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:04:13,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 [2024-11-17 07:04:14,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:04:14,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:04:14,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:04:14,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:04:14,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:04:14,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-11-17 07:04:15,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:04:15,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:04:15,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-11-17 07:04:15,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ce4dc56/b9f46a3ca0d34ebebc6f6c2571b8812f/FLAG1c08cdfe4 [2024-11-17 07:04:15,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ce4dc56/b9f46a3ca0d34ebebc6f6c2571b8812f [2024-11-17 07:04:15,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:04:15,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:04:15,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:04:15,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:04:15,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:04:15,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:04:15" (1/1) ... [2024-11-17 07:04:15,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e77a65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:15, skipping insertion in model container [2024-11-17 07:04:15,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:04:15" (1/1) ... [2024-11-17 07:04:15,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:04:16,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:04:16,546 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:04:16,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:04:16,741 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:04:16,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16 WrapperNode [2024-11-17 07:04:16,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:04:16,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:04:16,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:04:16,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:04:16,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,804 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-17 07:04:16,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:04:16,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:04:16,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:04:16,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:04:16,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,823 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 07:04:16,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,834 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:04:16,841 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:04:16,841 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:04:16,841 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:04:16,842 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (1/1) ... [2024-11-17 07:04:16,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:04:16,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:04:16,870 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) [2024-11-17 07:04:16,872 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 [2024-11-17 07:04:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 07:04:16,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 07:04:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:04:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:04:16,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:04:17,061 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:04:17,064 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:04:17,200 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-17 07:04:17,200 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:04:17,212 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:04:17,212 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:04:17,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:04:17 BoogieIcfgContainer [2024-11-17 07:04:17,213 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:04:17,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:04:17,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:04:17,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:04:17,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:04:15" (1/3) ... [2024-11-17 07:04:17,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1184555e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:04:17, skipping insertion in model container [2024-11-17 07:04:17,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:04:16" (2/3) ... [2024-11-17 07:04:17,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1184555e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:04:17, skipping insertion in model container [2024-11-17 07:04:17,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:04:17" (3/3) ... [2024-11-17 07:04:17,220 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-11-17 07:04:17,234 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:04:17,234 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 07:04:17,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:04:17,305 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;@3e223398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:04:17,306 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 07:04:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:04:17,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 07:04:17,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:04:17,315 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:04:17,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:04:17,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:04:17,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1769130973, now seen corresponding path program 1 times [2024-11-17 07:04:17,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 07:04:17,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117147917] [2024-11-17 07:04:17,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:04:17,329 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 [2024-11-17 07:04:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 07:04:17,331 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) [2024-11-17 07:04:17,360 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 [2024-11-17 07:04:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:04:17,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 07:04:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:04:17,486 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 07:04:17,488 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 07:04:17,489 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 07:04:17,491 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 07:04:17,496 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 [2024-11-17 07:04:17,695 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 [2024-11-17 07:04:17,699 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 07:04:17,718 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:04:17,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:04:17 BoogieIcfgContainer [2024-11-17 07:04:17,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:04:17,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:04:17,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:04:17,723 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:04:17,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:04:17" (3/4) ... [2024-11-17 07:04:17,726 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 07:04:17,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:04:17,728 INFO L158 Benchmark]: Toolchain (without parser) took 1859.22ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 54.0MB in the beginning and 68.5MB in the end (delta: -14.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-17 07:04:17,728 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:04:17,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.59ms. Allocated memory is still 86.0MB. Free memory was 53.8MB in the beginning and 32.9MB in the end (delta: 20.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-17 07:04:17,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.18ms. Allocated memory is still 86.0MB. Free memory was 32.9MB in the beginning and 55.8MB in the end (delta: -22.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-17 07:04:17,729 INFO L158 Benchmark]: Boogie Preprocessor took 34.75ms. Allocated memory is still 86.0MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:04:17,729 INFO L158 Benchmark]: IcfgBuilder took 371.53ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 39.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 07:04:17,730 INFO L158 Benchmark]: TraceAbstraction took 507.21ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 38.3MB in the beginning and 68.5MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:04:17,730 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 107.0MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:04:17,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.59ms. Allocated memory is still 86.0MB. Free memory was 53.8MB in the beginning and 32.9MB in the end (delta: 20.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.18ms. Allocated memory is still 86.0MB. Free memory was 32.9MB in the beginning and 55.8MB in the end (delta: -22.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.75ms. Allocated memory is still 86.0MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 371.53ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 39.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 507.21ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 38.3MB in the beginning and 68.5MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 107.0MB. Free memory is still 68.5MB. 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: 1565]: 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 1578. 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] 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] [L1563] case 7: 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] [L1565] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1565]: 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, 28 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=28occurred 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, 12 NumberOfCodeBlocks, 12 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 [2024-11-17 07:04:17,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample