./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_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 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:43:31,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:43:31,308 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 21:43:31,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:43:31,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:43:31,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:43:31,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:43:31,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:43:31,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:43:31,357 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:43:31,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:43:31,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:43:31,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:43:31,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:43:31,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:43:31,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:43:31,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:43:31,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:43:31,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:43:31,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:43:31,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:43:31,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:43:31,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:43:31,366 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:43:31,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:43:31,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:43:31,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:43:31,367 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:43:31,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:43:31,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:43:31,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:43:31,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:43:31,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:43:31,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:43:31,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:43:31,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:43:31,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:43:31,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:43:31,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:43:31,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:43:31,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:43:31,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d [2024-11-10 21:43:31,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:43:31,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:43:31,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:43:31,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:43:31,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:43:31,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-10 21:43:33,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:43:33,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:43:33,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-10 21:43:33,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02630ab72/11ee9ade5ef34bf594d9146d29cf7267/FLAG097e51d8a [2024-11-10 21:43:33,542 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02630ab72/11ee9ade5ef34bf594d9146d29cf7267 [2024-11-10 21:43:33,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:43:33,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:43:33,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:43:33,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:43:33,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:43:33,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:43:33" (1/1) ... [2024-11-10 21:43:33,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29957983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:33, skipping insertion in model container [2024-11-10 21:43:33,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:43:33" (1/1) ... [2024-11-10 21:43:33,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:43:34,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:43:34,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:43:34,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:43:34,653 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:43:34,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34 WrapperNode [2024-11-10 21:43:34,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:43:34,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:43:34,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:43:34,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:43:34,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,709 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-10 21:43:34,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:43:34,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:43:34,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:43:34,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:43:34,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,736 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-10 21:43:34,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:43:34,786 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:43:34,786 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:43:34,786 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:43:34,787 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (1/1) ... [2024-11-10 21:43:34,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:43:34,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:43:34,858 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) [2024-11-10 21:43:34,865 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 [2024-11-10 21:43:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:43:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:43:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:43:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 21:43:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:43:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:43:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:43:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 21:43:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 21:43:35,068 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:43:35,070 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:43:35,186 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-10 21:43:35,186 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:43:35,196 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:43:35,197 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:43:35,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:43:35 BoogieIcfgContainer [2024-11-10 21:43:35,197 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:43:35,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:43:35,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:43:35,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:43:35,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:43:33" (1/3) ... [2024-11-10 21:43:35,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df6f88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:43:35, skipping insertion in model container [2024-11-10 21:43:35,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:34" (2/3) ... [2024-11-10 21:43:35,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df6f88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:43:35, skipping insertion in model container [2024-11-10 21:43:35,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:43:35" (3/3) ... [2024-11-10 21:43:35,209 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-10 21:43:35,233 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:43:35,233 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:43:35,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:43:35,314 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;@49d8b639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:43:35,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:43:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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) [2024-11-10 21:43:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 21:43:35,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:43:35,327 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:43:35,328 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:43:35,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:43:35,335 INFO L85 PathProgramCache]: Analyzing trace with hash 122524457, now seen corresponding path program 1 times [2024-11-10 21:43:35,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:43:35,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866029306] [2024-11-10 21:43:35,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:43:35,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:43:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:43:35,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:43:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:43:35,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 21:43:35,534 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:43:35,535 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:43:35,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:43:35,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:43:35,543 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:43:35,569 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:43:35,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:43:35 BoogieIcfgContainer [2024-11-10 21:43:35,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:43:35,573 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:43:35,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:43:35,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:43:35,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:43:35" (3/4) ... [2024-11-10 21:43:35,576 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:43:35,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:43:35,578 INFO L158 Benchmark]: Toolchain (without parser) took 2031.85ms. Allocated memory is still 176.2MB. Free memory was 119.0MB in the beginning and 112.3MB in the end (delta: 6.7MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-10 21:43:35,579 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:43:35,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1104.82ms. Allocated memory is still 176.2MB. Free memory was 118.3MB in the beginning and 54.0MB in the end (delta: 64.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-10 21:43:35,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.88ms. Allocated memory is still 176.2MB. Free memory was 54.0MB in the beginning and 51.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 21:43:35,580 INFO L158 Benchmark]: Boogie Preprocessor took 75.25ms. Allocated memory is still 176.2MB. Free memory was 51.2MB in the beginning and 144.5MB in the end (delta: -93.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-10 21:43:35,580 INFO L158 Benchmark]: IcfgBuilder took 411.63ms. Allocated memory is still 176.2MB. Free memory was 144.5MB in the beginning and 131.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 21:43:35,581 INFO L158 Benchmark]: TraceAbstraction took 371.17ms. Allocated memory is still 176.2MB. Free memory was 131.0MB in the beginning and 113.2MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 21:43:35,581 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 112.3MB in the end (delta: 962.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:43:35,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1104.82ms. Allocated memory is still 176.2MB. Free memory was 118.3MB in the beginning and 54.0MB in the end (delta: 64.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.88ms. Allocated memory is still 176.2MB. Free memory was 54.0MB in the beginning and 51.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.25ms. Allocated memory is still 176.2MB. Free memory was 51.2MB in the beginning and 144.5MB in the end (delta: -93.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * IcfgBuilder took 411.63ms. Allocated memory is still 176.2MB. Free memory was 144.5MB in the beginning and 131.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 371.17ms. Allocated memory is still 176.2MB. Free memory was 131.0MB in the beginning and 113.2MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 112.3MB in the end (delta: 962.7kB). 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: 1552]: 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 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_63_bad() [L1560] int data; [L1561] data = 0 [L1562] data = (-0x7fffffff - 1) [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_63b_badSink(&data) [L1550] EXPR \read(*dataPtr) [L1550] int data = *dataPtr; [L1552] 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: 1552]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=21occurred 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 [2024-11-10 21:43:35,619 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_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 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:43:37,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:43:37,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 21:43:37,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:43:37,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:43:37,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 21:43:38,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:43:38,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:43:38,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:43:38,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:43:38,012 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:43:38,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:43:38,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:43:38,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:43:38,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:43:38,014 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:43:38,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:43:38,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:43:38,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:43:38,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:43:38,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:43:38,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:43:38,022 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 21:43:38,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 21:43:38,022 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:43:38,022 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:43:38,022 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 21:43:38,023 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:43:38,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:43:38,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:43:38,023 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:43:38,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:43:38,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:43:38,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:43:38,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:43:38,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:43:38,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:43:38,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:43:38,025 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 21:43:38,025 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 21:43:38,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:43:38,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:43:38,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:43:38,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:43:38,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d [2024-11-10 21:43:38,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:43:38,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:43:38,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:43:38,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:43:38,363 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:43:38,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-10 21:43:39,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:43:40,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:43:40,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-10 21:43:40,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49c38d97/20c1558a5e2c45cf86197f591ab6a9b4/FLAG488fbdcaf [2024-11-10 21:43:40,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49c38d97/20c1558a5e2c45cf86197f591ab6a9b4 [2024-11-10 21:43:40,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:43:40,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:43:40,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:43:40,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:43:40,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:43:40,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:43:40" (1/1) ... [2024-11-10 21:43:40,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673b8956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:40, skipping insertion in model container [2024-11-10 21:43:40,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:43:40" (1/1) ... [2024-11-10 21:43:40,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:43:41,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:43:41,358 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:43:41,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:43:41,567 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:43:41,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41 WrapperNode [2024-11-10 21:43:41,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:43:41,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:43:41,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:43:41,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:43:41,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,636 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-10 21:43:41,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:43:41,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:43:41,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:43:41,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:43:41,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,665 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-10 21:43:41,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,676 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:43:41,691 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:43:41,691 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:43:41,691 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:43:41,692 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2024-11-10 21:43:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:43:41,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:43:41,719 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) [2024-11-10 21:43:41,721 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 [2024-11-10 21:43:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:43:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:43:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:43:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:43:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:43:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:43:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-10 21:43:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 21:43:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-10 21:43:41,950 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:43:41,953 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:43:42,110 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-10 21:43:42,110 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:43:42,124 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:43:42,124 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:43:42,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:43:42 BoogieIcfgContainer [2024-11-10 21:43:42,125 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:43:42,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:43:42,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:43:42,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:43:42,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:43:40" (1/3) ... [2024-11-10 21:43:42,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45411c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:43:42, skipping insertion in model container [2024-11-10 21:43:42,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (2/3) ... [2024-11-10 21:43:42,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45411c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:43:42, skipping insertion in model container [2024-11-10 21:43:42,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:43:42" (3/3) ... [2024-11-10 21:43:42,135 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-10 21:43:42,151 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:43:42,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:43:42,216 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:43:42,223 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;@9bed6f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:43:42,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:43:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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) [2024-11-10 21:43:42,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 21:43:42,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:43:42,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:43:42,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:43:42,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:43:42,244 INFO L85 PathProgramCache]: Analyzing trace with hash 122524457, now seen corresponding path program 1 times [2024-11-10 21:43:42,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:43:42,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330203656] [2024-11-10 21:43:42,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:43:42,257 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 [2024-11-10 21:43:42,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:43:42,261 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) [2024-11-10 21:43:42,262 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 [2024-11-10 21:43:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:43:42,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:43:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:43:42,489 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 21:43:42,491 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:43:42,492 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:43:42,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:43:42,502 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 [2024-11-10 21:43:42,699 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 [2024-11-10 21:43:42,704 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:43:42,726 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:43:42,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:43:42 BoogieIcfgContainer [2024-11-10 21:43:42,729 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:43:42,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:43:42,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:43:42,730 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:43:42,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:43:42" (3/4) ... [2024-11-10 21:43:42,733 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:43:42,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:43:42,736 INFO L158 Benchmark]: Toolchain (without parser) took 2314.93ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 46.8MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:43:42,736 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:43:42,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1149.14ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.0MB in the beginning and 43.7MB in the end (delta: -13.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-10 21:43:42,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.11ms. Allocated memory is still 79.7MB. Free memory was 43.7MB in the beginning and 40.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:43:42,738 INFO L158 Benchmark]: Boogie Preprocessor took 53.34ms. Allocated memory is still 79.7MB. Free memory was 40.5MB in the beginning and 38.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:43:42,739 INFO L158 Benchmark]: IcfgBuilder took 433.86ms. Allocated memory is still 79.7MB. Free memory was 38.0MB in the beginning and 43.0MB in the end (delta: -5.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-10 21:43:42,739 INFO L158 Benchmark]: TraceAbstraction took 602.40ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 47.3MB in the end (delta: -4.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 21:43:42,740 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 79.7MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:43:42,745 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1149.14ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.0MB in the beginning and 43.7MB in the end (delta: -13.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.11ms. Allocated memory is still 79.7MB. Free memory was 43.7MB in the beginning and 40.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.34ms. Allocated memory is still 79.7MB. Free memory was 40.5MB in the beginning and 38.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 433.86ms. Allocated memory is still 79.7MB. Free memory was 38.0MB in the beginning and 43.0MB in the end (delta: -5.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 602.40ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 47.3MB in the end (delta: -4.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 79.7MB. Free memory is still 46.8MB. 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: 1552]: 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 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_63_bad() [L1560] int data; [L1561] data = 0 [L1562] data = (-0x7fffffff - 1) [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_63b_badSink(&data) [L1550] EXPR \read(*dataPtr) [L1550] int data = *dataPtr; [L1552] 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: 1552]: 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, 21 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=21occurred 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 [2024-11-10 21:43:42,777 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