./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_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 659dbcf9ecbca06b2bee557e0473cb92269b246970124165aeb9985c14653116 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:10:47,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:10:47,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 01:10:47,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:10:47,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:10:47,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:10:47,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:10:47,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:10:47,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:10:47,965 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:10:47,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:10:47,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:10:47,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:10:47,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:10:47,969 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:10:47,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:10:47,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:10:47,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:10:47,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:10:47,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:10:47,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:10:47,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:10:47,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:10:47,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:10:47,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:10:47,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:10:47,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:10:47,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:10:47,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:10:47,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:10:47,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:10:47,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:10:47,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:10:47,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:10:47,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:10:47,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:10:47,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:10:47,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:10:47,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:10:47,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:10:47,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:10:47,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 659dbcf9ecbca06b2bee557e0473cb92269b246970124165aeb9985c14653116 [2024-11-23 01:10:48,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:10:48,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:10:48,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:10:48,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:10:48,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:10:48,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i [2024-11-23 01:10:49,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:10:49,832 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:10:49,833 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i [2024-11-23 01:10:49,855 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578793ea1/901eabcfd61044149c96a42c27c044ba/FLAGbb6495b8f [2024-11-23 01:10:50,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578793ea1/901eabcfd61044149c96a42c27c044ba [2024-11-23 01:10:50,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:10:50,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:10:50,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:10:50,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:10:50,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:10:50,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:50,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e05cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50, skipping insertion in model container [2024-11-23 01:10:50,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:50,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:10:50,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:10:50,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:10:50,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:10:50,972 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:10:50,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50 WrapperNode [2024-11-23 01:10:50,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:10:50,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:10:50,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:10:50,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:10:50,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,035 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 49 [2024-11-23 01:10:51,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:10:51,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:10:51,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:10:51,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:10:51,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,066 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 01:10:51,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:10:51,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:10:51,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:10:51,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:10:51,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (1/1) ... [2024-11-23 01:10:51,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:10:51,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:10:51,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 01:10:51,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 01:10:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 01:10:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 01:10:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:10:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:10:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:10:51,260 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:10:51,262 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:10:51,338 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-23 01:10:51,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:10:51,352 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:10:51,352 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:10:51,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:51 BoogieIcfgContainer [2024-11-23 01:10:51,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:10:51,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:10:51,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:10:51,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:10:51,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:10:50" (1/3) ... [2024-11-23 01:10:51,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e276d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:10:51, skipping insertion in model container [2024-11-23 01:10:51,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:50" (2/3) ... [2024-11-23 01:10:51,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e276d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:10:51, skipping insertion in model container [2024-11-23 01:10:51,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:51" (3/3) ... [2024-11-23 01:10:51,361 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_54_bad.i [2024-11-23 01:10:51,375 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:10:51,376 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:10:51,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:10:51,429 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;@65e5fc5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:10:51,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 01:10:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 01:10:51,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 01:10:51,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:10:51,438 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:10:51,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 01:10:51,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:10:51,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1409645953, now seen corresponding path program 1 times [2024-11-23 01:10:51,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:10:51,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205851097] [2024-11-23 01:10:51,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:10:51,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:10:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:10:51,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 01:10:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:10:51,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 01:10:51,591 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 01:10:51,592 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 01:10:51,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 01:10:51,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:10:51,600 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 01:10:51,617 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:10:51,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:10:51 BoogieIcfgContainer [2024-11-23 01:10:51,620 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:10:51,621 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:10:51,621 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:10:51,622 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:10:51,622 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:51" (3/4) ... [2024-11-23 01:10:51,624 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 01:10:51,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:10:51,626 INFO L158 Benchmark]: Toolchain (without parser) took 1487.36ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 100.2MB in the beginning and 149.0MB in the end (delta: -48.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-11-23 01:10:51,627 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 120.7MB in the end (delta: 169.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:10:51,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.58ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 100.2MB in the beginning and 184.6MB in the end (delta: -84.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-11-23 01:10:51,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 249.6MB. Free memory was 184.6MB in the beginning and 182.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:10:51,629 INFO L158 Benchmark]: Boogie Preprocessor took 46.86ms. Allocated memory is still 249.6MB. Free memory was 182.5MB in the beginning and 180.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:10:51,630 INFO L158 Benchmark]: RCFGBuilder took 268.96ms. Allocated memory is still 249.6MB. Free memory was 180.4MB in the beginning and 165.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 01:10:51,631 INFO L158 Benchmark]: TraceAbstraction took 264.95ms. Allocated memory is still 249.6MB. Free memory was 165.8MB in the beginning and 150.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 01:10:51,632 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 249.6MB. Free memory was 150.0MB in the beginning and 149.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:10:51,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 120.7MB in the end (delta: 169.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.58ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 100.2MB in the beginning and 184.6MB in the end (delta: -84.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 249.6MB. Free memory was 184.6MB in the beginning and 182.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.86ms. Allocated memory is still 249.6MB. Free memory was 182.5MB in the beginning and 180.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.96ms. Allocated memory is still 249.6MB. Free memory was 180.4MB in the beginning and 165.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 264.95ms. Allocated memory is still 249.6MB. Free memory was 165.8MB in the beginning and 150.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 249.6MB. Free memory was 150.0MB in the beginning and 149.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 1582]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_predec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_predec_54e_badSink(data) [L1582] --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: 1582]: 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, 23 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=23occurred 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 [2024-11-23 01:10:51,659 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_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 659dbcf9ecbca06b2bee557e0473cb92269b246970124165aeb9985c14653116 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:10:53,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:10:53,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 01:10:53,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:10:53,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:10:53,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 01:10:53,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:10:53,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:10:53,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:10:53,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:10:53,678 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:10:53,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:10:53,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:10:53,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:10:53,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:10:53,681 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:10:53,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:10:53,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:10:53,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:10:53,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:10:53,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:10:53,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:10:53,686 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 01:10:53,686 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 01:10:53,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:10:53,686 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:10:53,686 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 01:10:53,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:10:53,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:10:53,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:10:53,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:10:53,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:10:53,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:10:53,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:10:53,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:10:53,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:10:53,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:10:53,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:10:53,699 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-23 01:10:53,699 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 01:10:53,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:10:53,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:10:53,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:10:53,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:10:53,703 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 659dbcf9ecbca06b2bee557e0473cb92269b246970124165aeb9985c14653116 [2024-11-23 01:10:53,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:10:54,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:10:54,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:10:54,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:10:54,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:10:54,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i [2024-11-23 01:10:55,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:10:55,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:10:55,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i [2024-11-23 01:10:55,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feb706f79/4338b7d95abd4d41bbe7b26d4fa3c146/FLAGd02c0b769 [2024-11-23 01:10:55,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feb706f79/4338b7d95abd4d41bbe7b26d4fa3c146 [2024-11-23 01:10:55,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:10:55,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:10:55,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:10:55,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:10:55,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:10:55,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:55" (1/1) ... [2024-11-23 01:10:55,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490a997d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:55, skipping insertion in model container [2024-11-23 01:10:55,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:55" (1/1) ... [2024-11-23 01:10:56,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:10:56,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:10:56,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:10:56,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:10:56,941 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:10:56,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56 WrapperNode [2024-11-23 01:10:56,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:10:56,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:10:56,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:10:56,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:10:56,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:56,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,009 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 49 [2024-11-23 01:10:57,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:10:57,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:10:57,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:10:57,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:10:57,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,021 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,027 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 01:10:57,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:10:57,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:10:57,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:10:57,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:10:57,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (1/1) ... [2024-11-23 01:10:57,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:10:57,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:10:57,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 01:10:57,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 01:10:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 01:10:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 01:10:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:10:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:10:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:10:57,209 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:10:57,211 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:10:57,317 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-23 01:10:57,317 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:10:57,328 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:10:57,328 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:10:57,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:57 BoogieIcfgContainer [2024-11-23 01:10:57,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:10:57,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:10:57,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:10:57,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:10:57,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:10:55" (1/3) ... [2024-11-23 01:10:57,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444d9b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:10:57, skipping insertion in model container [2024-11-23 01:10:57,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:56" (2/3) ... [2024-11-23 01:10:57,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444d9b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:10:57, skipping insertion in model container [2024-11-23 01:10:57,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:57" (3/3) ... [2024-11-23 01:10:57,337 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_54_bad.i [2024-11-23 01:10:57,353 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:10:57,353 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:10:57,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:10:57,415 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;@72adc19a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:10:57,416 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 01:10:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 01:10:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 01:10:57,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:10:57,426 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:10:57,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 01:10:57,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:10:57,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1409645953, now seen corresponding path program 1 times [2024-11-23 01:10:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 01:10:57,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839722446] [2024-11-23 01:10:57,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:10:57,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 01:10:57,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 01:10:57,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 01:10:57,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 01:10:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:10:57,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 01:10:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:10:57,583 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-23 01:10:57,584 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 01:10:57,586 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 01:10:57,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 01:10:57,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-23 01:10:57,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 01:10:57,792 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 01:10:57,813 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:10:57,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:10:57 BoogieIcfgContainer [2024-11-23 01:10:57,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:10:57,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:10:57,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:10:57,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:10:57,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:57" (3/4) ... [2024-11-23 01:10:57,820 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 01:10:57,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:10:57,822 INFO L158 Benchmark]: Toolchain (without parser) took 1872.03ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 40.6MB in the beginning and 51.1MB in the end (delta: -10.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-23 01:10:57,822 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 62.9MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:10:57,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 993.86ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 40.4MB in the beginning and 35.4MB in the end (delta: 5.0MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-23 01:10:57,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.65ms. Allocated memory is still 86.0MB. Free memory was 35.0MB in the beginning and 58.1MB in the end (delta: -23.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-23 01:10:57,825 INFO L158 Benchmark]: Boogie Preprocessor took 32.95ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 55.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:10:57,825 INFO L158 Benchmark]: RCFGBuilder took 285.47ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 41.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 01:10:57,826 INFO L158 Benchmark]: TraceAbstraction took 485.55ms. Allocated memory is still 86.0MB. Free memory was 41.5MB in the beginning and 51.1MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:10:57,826 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 86.0MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:10:57,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 62.9MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 993.86ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 40.4MB in the beginning and 35.4MB in the end (delta: 5.0MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.65ms. Allocated memory is still 86.0MB. Free memory was 35.0MB in the beginning and 58.1MB in the end (delta: -23.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.95ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 55.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.47ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 41.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 485.55ms. Allocated memory is still 86.0MB. Free memory was 41.5MB in the beginning and 51.1MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 86.0MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1582]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_predec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_predec_54e_badSink(data) [L1582] --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: 1582]: 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, 23 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=23occurred 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 [2024-11-23 01:10:57,844 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