./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_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_postdec_01_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 9874df2f05ff5bf85a63995b9c63b76dc9072d2ab417557991bc28aafde5c074 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:08:56,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:08:56,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 01:08:56,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:08:56,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:08:56,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:08:56,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:08:56,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:08:56,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:08:56,815 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:08:56,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:08:56,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:08:56,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:08:56,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:08:56,822 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:08:56,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:08:56,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:08:56,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:08:56,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:08:56,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:08:56,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:08:56,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:08:56,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:08:56,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:08:56,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:08:56,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:08:56,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:08:56,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:08:56,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:08:56,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:08:56,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:08:56,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:08:56,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:08:56,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:08:56,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:08:56,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:08:56,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:08:56,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:08:56,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:08:56,832 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:08:56,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:08:56,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9874df2f05ff5bf85a63995b9c63b76dc9072d2ab417557991bc28aafde5c074 [2024-11-23 01:08:57,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:08:57,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:08:57,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:08:57,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:08:57,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:08:57,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-11-23 01:08:58,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:08:58,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:08:58,969 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-11-23 01:08:59,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a72162b13/fa74c3dd0668450386ad9ea042bd44ed/FLAG648059747 [2024-11-23 01:08:59,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a72162b13/fa74c3dd0668450386ad9ea042bd44ed [2024-11-23 01:08:59,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:08:59,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:08:59,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:08:59,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:08:59,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:08:59,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:08:59,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0c8e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59, skipping insertion in model container [2024-11-23 01:08:59,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:08:59,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:08:59,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:08:59,763 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:08:59,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:08:59,967 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:08:59,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59 WrapperNode [2024-11-23 01:08:59,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:08:59,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:08:59,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:08:59,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:08:59,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,043 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-23 01:09:00,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:09:00,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:09:00,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:09:00,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:09:00,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,067 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 01:09:00,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:09:00,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:09:00,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:09:00,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:09:00,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (1/1) ... [2024-11-23 01:09:00,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:09:00,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:09:00,130 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 01:09:00,151 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 01:09:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 01:09:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 01:09:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:09:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:09:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:09:00,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:09:00,367 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:09:00,472 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-23 01:09:00,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:09:00,486 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:09:00,487 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:09:00,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:00 BoogieIcfgContainer [2024-11-23 01:09:00,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:09:00,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:09:00,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:09:00,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:09:00,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:08:59" (1/3) ... [2024-11-23 01:09:00,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b181183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:09:00, skipping insertion in model container [2024-11-23 01:09:00,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:59" (2/3) ... [2024-11-23 01:09:00,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b181183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:09:00, skipping insertion in model container [2024-11-23 01:09:00,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:00" (3/3) ... [2024-11-23 01:09:00,498 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-11-23 01:09:00,515 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:09:00,516 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:09:00,581 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:09:00,587 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;@5206660d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:09:00,589 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 01:09:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 01:09:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 01:09:00,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:09:00,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:09:00,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 01:09:00,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:09:00,607 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-23 01:09:00,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:09:00,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238674904] [2024-11-23 01:09:00,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:09:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:09:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:09:00,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 01:09:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:09:00,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 01:09:00,791 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 01:09:00,792 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 01:09:00,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 01:09:00,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:09:00,798 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 01:09:00,819 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:09:00,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:09:00 BoogieIcfgContainer [2024-11-23 01:09:00,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:09:00,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:09:00,826 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:09:00,826 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:09:00,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:00" (3/4) ... [2024-11-23 01:09:00,828 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 01:09:00,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:09:00,831 INFO L158 Benchmark]: Toolchain (without parser) took 1806.32ms. Allocated memory is still 184.5MB. Free memory was 152.1MB in the beginning and 125.3MB in the end (delta: 26.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-23 01:09:00,831 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:09:00,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.56ms. Allocated memory is still 184.5MB. Free memory was 152.1MB in the beginning and 87.3MB in the end (delta: 64.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-23 01:09:00,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.55ms. Allocated memory is still 184.5MB. Free memory was 87.3MB in the beginning and 84.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:09:00,833 INFO L158 Benchmark]: Boogie Preprocessor took 39.20ms. Allocated memory is still 184.5MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:09:00,834 INFO L158 Benchmark]: RCFGBuilder took 404.08ms. Allocated memory is still 184.5MB. Free memory was 81.9MB in the beginning and 142.1MB in the end (delta: -60.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-23 01:09:00,835 INFO L158 Benchmark]: TraceAbstraction took 333.93ms. Allocated memory is still 184.5MB. Free memory was 141.0MB in the beginning and 125.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 01:09:00,835 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 184.5MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:09:00,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.56ms. Allocated memory is still 184.5MB. Free memory was 152.1MB in the beginning and 87.3MB in the end (delta: 64.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.55ms. Allocated memory is still 184.5MB. Free memory was 87.3MB in the beginning and 84.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.20ms. Allocated memory is still 184.5MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.08ms. Allocated memory is still 184.5MB. Free memory was 81.9MB in the beginning and 142.1MB in the end (delta: -60.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 333.93ms. Allocated memory is still 184.5MB. Free memory was 141.0MB in the beginning and 125.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 184.5MB. Free memory is still 125.3MB. 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: 1554]: 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 1562. 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] [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 01:09:00,861 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/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_postdec_01_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 9874df2f05ff5bf85a63995b9c63b76dc9072d2ab417557991bc28aafde5c074 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:09:03,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:09:03,307 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 01:09:03,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:09:03,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:09:03,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 01:09:03,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:09:03,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:09:03,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:09:03,360 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:09:03,361 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:09:03,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:09:03,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:09:03,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:09:03,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:09:03,362 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:09:03,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:09:03,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:09:03,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:09:03,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:09:03,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:09:03,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:09:03,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 01:09:03,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 01:09:03,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:09:03,367 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:09:03,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 01:09:03,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:09:03,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:09:03,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:09:03,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:09:03,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:09:03,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:09:03,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:09:03,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:09:03,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:09:03,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:09:03,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:09:03,373 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-23 01:09:03,373 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 01:09:03,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:09:03,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:09:03,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:09:03,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:09:03,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9874df2f05ff5bf85a63995b9c63b76dc9072d2ab417557991bc28aafde5c074 [2024-11-23 01:09:03,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:09:03,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:09:03,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:09:03,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:09:03,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:09:03,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-11-23 01:09:05,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:09:05,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:09:05,689 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-11-23 01:09:05,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30af0da97/9e7a23ed6f4e4e079dc7408f2e0274a1/FLAG358c45c31 [2024-11-23 01:09:05,730 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30af0da97/9e7a23ed6f4e4e079dc7408f2e0274a1 [2024-11-23 01:09:05,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:09:05,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:09:05,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:09:05,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:09:05,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:09:05,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:05" (1/1) ... [2024-11-23 01:09:05,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678849dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05, skipping insertion in model container [2024-11-23 01:09:05,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:05" (1/1) ... [2024-11-23 01:09:05,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:09:06,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:09:06,495 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:09:06,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:09:06,761 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:09:06,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06 WrapperNode [2024-11-23 01:09:06,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:09:06,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:09:06,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:09:06,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:09:06,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,833 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-23 01:09:06,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:09:06,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:09:06,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:09:06,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:09:06,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,869 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 01:09:06,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:09:06,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:09:06,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:09:06,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:09:06,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (1/1) ... [2024-11-23 01:09:06,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:09:06,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:09:06,950 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 01:09:06,954 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 01:09:06,998 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 01:09:06,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 01:09:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:09:06,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:09:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:09:07,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:09:07,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:09:07,296 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-23 01:09:07,297 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:09:07,310 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:09:07,310 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:09:07,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:07 BoogieIcfgContainer [2024-11-23 01:09:07,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:09:07,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:09:07,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:09:07,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:09:07,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:09:05" (1/3) ... [2024-11-23 01:09:07,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea66206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:09:07, skipping insertion in model container [2024-11-23 01:09:07,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:06" (2/3) ... [2024-11-23 01:09:07,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea66206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:09:07, skipping insertion in model container [2024-11-23 01:09:07,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:07" (3/3) ... [2024-11-23 01:09:07,321 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_01_bad.i [2024-11-23 01:09:07,338 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:09:07,339 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:09:07,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:09:07,415 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;@6eae1303, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:09:07,416 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 01:09:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 01:09:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 01:09:07,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:09:07,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:09:07,430 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 01:09:07,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:09:07,436 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-23 01:09:07,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 01:09:07,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394869357] [2024-11-23 01:09:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:09:07,452 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 01:09:07,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 01:09:07,455 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 01:09:07,457 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 01:09:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:09:07,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 01:09:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 01:09:07,644 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-23 01:09:07,645 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 01:09:07,646 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 01:09:07,648 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 01:09:07,655 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 [2024-11-23 01:09:07,850 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 01:09:07,854 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 01:09:07,879 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:09:07,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:09:07 BoogieIcfgContainer [2024-11-23 01:09:07,881 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:09:07,882 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:09:07,882 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:09:07,882 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:09:07,883 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:07" (3/4) ... [2024-11-23 01:09:07,887 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 01:09:07,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:09:07,889 INFO L158 Benchmark]: Toolchain (without parser) took 2154.91ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 39.7MB in the beginning and 54.0MB in the end (delta: -14.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-23 01:09:07,890 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:09:07,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.94ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 39.6MB in the beginning and 62.0MB in the end (delta: -22.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-23 01:09:07,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.04ms. Allocated memory is still 90.2MB. Free memory was 62.0MB in the beginning and 59.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:09:07,892 INFO L158 Benchmark]: Boogie Preprocessor took 65.69ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 56.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:09:07,893 INFO L158 Benchmark]: RCFGBuilder took 409.28ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 43.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 01:09:07,894 INFO L158 Benchmark]: TraceAbstraction took 567.96ms. Allocated memory is still 90.2MB. Free memory was 42.7MB in the beginning and 54.6MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:09:07,895 INFO L158 Benchmark]: Witness Printer took 5.94ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 54.0MB in the end (delta: 525.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:09:07,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.94ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 39.6MB in the beginning and 62.0MB in the end (delta: -22.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.04ms. Allocated memory is still 90.2MB. Free memory was 62.0MB in the beginning and 59.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.69ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 56.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.28ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 43.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 567.96ms. Allocated memory is still 90.2MB. Free memory was 42.7MB in the beginning and 54.6MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.94ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 54.0MB in the end (delta: 525.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: 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 1562. 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] [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 01:09:07,920 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