./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_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 5ca02e4327252e4b57155daa3c3ee2ceede96902232e66ebf8c703bf65de15f7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:13:21,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:13:21,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:13:21,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:13:21,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:13:21,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:13:21,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:13:21,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:13:21,496 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:13:21,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:13:21,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:13:21,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:13:21,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:13:21,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:13:21,500 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:13:21,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:13:21,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:13:21,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:13:21,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:13:21,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:13:21,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:13:21,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:13:21,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:13:21,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:13:21,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:13:21,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:13:21,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:13:21,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:13:21,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:13:21,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:13:21,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:13:21,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:13:21,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:13:21,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:13:21,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:13:21,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:13:21,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:13:21,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:13:21,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:13:21,532 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:13:21,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:13:21,533 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ca02e4327252e4b57155daa3c3ee2ceede96902232e66ebf8c703bf65de15f7 [2024-10-13 15:13:21,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:13:21,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:13:21,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:13:21,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:13:21,806 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:13:21,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_bad.i [2024-10-13 15:13:23,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:13:23,580 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:13:23,580 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_bad.i [2024-10-13 15:13:23,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e1a1c45/38b4a50a16a742049f989fcaa7817b3f/FLAG7b025ff3d [2024-10-13 15:13:23,626 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e1a1c45/38b4a50a16a742049f989fcaa7817b3f [2024-10-13 15:13:23,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:13:23,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:13:23,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:13:23,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:13:23,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:13:23,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:13:23" (1/1) ... [2024-10-13 15:13:23,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0509a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:23, skipping insertion in model container [2024-10-13 15:13:23,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:13:23" (1/1) ... [2024-10-13 15:13:23,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:13:24,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:13:24,554 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:13:24,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:13:24,803 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:13:24,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24 WrapperNode [2024-10-13 15:13:24,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:13:24,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:13:24,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:13:24,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:13:24,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,904 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-10-13 15:13:24,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:13:24,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:13:24,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:13:24,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:13:24,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,923 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,937 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:13:24,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:13:24,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:13:24,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:13:24,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:13:24,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (1/1) ... [2024-10-13 15:13:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:13:24,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:13:24,991 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) [2024-10-13 15:13:24,995 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 [2024-10-13 15:13:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:13:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:13:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:13:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:13:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:13:25,165 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:13:25,167 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:13:25,267 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-13 15:13:25,267 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:13:25,309 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:13:25,309 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:13:25,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:13:25 BoogieIcfgContainer [2024-10-13 15:13:25,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:13:25,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:13:25,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:13:25,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:13:25,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:13:23" (1/3) ... [2024-10-13 15:13:25,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57332183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:13:25, skipping insertion in model container [2024-10-13 15:13:25,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:24" (2/3) ... [2024-10-13 15:13:25,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57332183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:13:25, skipping insertion in model container [2024-10-13 15:13:25,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:13:25" (3/3) ... [2024-10-13 15:13:25,322 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_42_bad.i [2024-10-13 15:13:25,343 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:13:25,343 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:13:25,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:13:25,422 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;@49426897, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:13:25,422 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:13:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-13 15:13:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 15:13:25,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:13:25,438 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:13:25,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:13:25,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:13:25,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1506176128, now seen corresponding path program 1 times [2024-10-13 15:13:25,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:13:25,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481807894] [2024-10-13 15:13:25,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:13:25,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:13:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:13:25,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:13:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:13:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:13:25,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:13:25,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481807894] [2024-10-13 15:13:25,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481807894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:13:25,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:13:25,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:13:25,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395667885] [2024-10-13 15:13:25,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:13:25,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:13:25,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:13:25,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:13:25,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:13:25,798 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:13:25,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:13:25,834 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-10-13 15:13:25,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:13:25,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-10-13 15:13:25,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:13:25,849 INFO L225 Difference]: With dead ends: 14 [2024-10-13 15:13:25,849 INFO L226 Difference]: Without dead ends: 10 [2024-10-13 15:13:25,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:13:25,857 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:13:25,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 16 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:13:25,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-13 15:13:25,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-13 15:13:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:13:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-10-13 15:13:25,891 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2024-10-13 15:13:25,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:13:25,892 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-10-13 15:13:25,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:13:25,893 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-10-13 15:13:25,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 15:13:25,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:13:25,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:13:25,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:13:25,895 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:13:25,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:13:25,896 INFO L85 PathProgramCache]: Analyzing trace with hash -553180240, now seen corresponding path program 1 times [2024-10-13 15:13:25,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:13:25,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688110240] [2024-10-13 15:13:25,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:13:25,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:13:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:13:25,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:13:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:13:25,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 15:13:25,972 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:13:25,974 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:13:25,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:13:25,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 15:13:25,981 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 15:13:26,001 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:13:26,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:13:26 BoogieIcfgContainer [2024-10-13 15:13:26,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:13:26,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:13:26,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:13:26,005 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:13:26,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:13:25" (3/4) ... [2024-10-13 15:13:26,009 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:13:26,010 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:13:26,010 INFO L158 Benchmark]: Toolchain (without parser) took 2380.73ms. Allocated memory is still 201.3MB. Free memory was 142.8MB in the beginning and 109.9MB in the end (delta: 32.9MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-10-13 15:13:26,011 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 91.6MB in the beginning and 91.4MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:13:26,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1163.88ms. Allocated memory is still 201.3MB. Free memory was 142.8MB in the beginning and 160.2MB in the end (delta: -17.4MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2024-10-13 15:13:26,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.00ms. Allocated memory is still 201.3MB. Free memory was 160.2MB in the beginning and 157.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:13:26,012 INFO L158 Benchmark]: Boogie Preprocessor took 41.70ms. Allocated memory is still 201.3MB. Free memory was 157.1MB in the beginning and 155.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:13:26,013 INFO L158 Benchmark]: RCFGBuilder took 362.55ms. Allocated memory is still 201.3MB. Free memory was 155.0MB in the beginning and 141.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 15:13:26,013 INFO L158 Benchmark]: TraceAbstraction took 692.19ms. Allocated memory is still 201.3MB. Free memory was 140.3MB in the beginning and 109.9MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-13 15:13:26,013 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 201.3MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:13:26,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 91.6MB in the beginning and 91.4MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1163.88ms. Allocated memory is still 201.3MB. Free memory was 142.8MB in the beginning and 160.2MB in the end (delta: -17.4MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.00ms. Allocated memory is still 201.3MB. Free memory was 160.2MB in the beginning and 157.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.70ms. Allocated memory is still 201.3MB. Free memory was 157.1MB in the beginning and 155.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.55ms. Allocated memory is still 201.3MB. Free memory was 155.0MB in the beginning and 141.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 692.19ms. Allocated memory is still 201.3MB. Free memory was 140.3MB in the beginning and 109.9MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 201.3MB. Free memory is still 109.9MB. 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_max_preinc_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = 0x7fffffff [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] ++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: 1559]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-10-13 15:13:26,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_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 5ca02e4327252e4b57155daa3c3ee2ceede96902232e66ebf8c703bf65de15f7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:13:28,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:13:28,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 15:13:28,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:13:28,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:13:28,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 15:13:28,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:13:28,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:13:28,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:13:28,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:13:28,369 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:13:28,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:13:28,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:13:28,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:13:28,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:13:28,372 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:13:28,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:13:28,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:13:28,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:13:28,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:13:28,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:13:28,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:13:28,377 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 15:13:28,377 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 15:13:28,380 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:13:28,380 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:13:28,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 15:13:28,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:13:28,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:13:28,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:13:28,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:13:28,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:13:28,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:13:28,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:13:28,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:13:28,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:13:28,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:13:28,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:13:28,384 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 15:13:28,384 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 15:13:28,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:13:28,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:13:28,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:13:28,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:13:28,386 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 15:13:28,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ca02e4327252e4b57155daa3c3ee2ceede96902232e66ebf8c703bf65de15f7 [2024-10-13 15:13:28,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:13:28,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:13:28,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:13:28,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:13:28,723 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:13:28,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_bad.i [2024-10-13 15:13:30,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:13:30,543 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:13:30,544 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_bad.i [2024-10-13 15:13:30,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e2d0a949/1282e9b8e85e46079e40693ffc1e6896/FLAG4912fdf23 [2024-10-13 15:13:30,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e2d0a949/1282e9b8e85e46079e40693ffc1e6896 [2024-10-13 15:13:30,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:13:30,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:13:30,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:13:30,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:13:30,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:13:30,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:13:30" (1/1) ... [2024-10-13 15:13:30,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cae734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:30, skipping insertion in model container [2024-10-13 15:13:30,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:13:30" (1/1) ... [2024-10-13 15:13:30,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:13:31,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:13:31,801 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:13:31,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:13:32,018 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:13:32,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32 WrapperNode [2024-10-13 15:13:32,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:13:32,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:13:32,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:13:32,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:13:32,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,090 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-10-13 15:13:32,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:13:32,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:13:32,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:13:32,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:13:32,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,126 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:13:32,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:13:32,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:13:32,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:13:32,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:13:32,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (1/1) ... [2024-10-13 15:13:32,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:13:32,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:13:32,176 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) [2024-10-13 15:13:32,179 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 [2024-10-13 15:13:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:13:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:13:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:13:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:13:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:13:32,349 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:13:32,351 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:13:32,470 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-13 15:13:32,471 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:13:32,521 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:13:32,522 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:13:32,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:13:32 BoogieIcfgContainer [2024-10-13 15:13:32,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:13:32,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:13:32,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:13:32,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:13:32,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:13:30" (1/3) ... [2024-10-13 15:13:32,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a6a4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:13:32, skipping insertion in model container [2024-10-13 15:13:32,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:13:32" (2/3) ... [2024-10-13 15:13:32,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a6a4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:13:32, skipping insertion in model container [2024-10-13 15:13:32,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:13:32" (3/3) ... [2024-10-13 15:13:32,529 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_42_bad.i [2024-10-13 15:13:32,547 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:13:32,548 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:13:32,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:13:32,619 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;@7dc66e83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:13:32,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:13:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-13 15:13:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 15:13:32,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:13:32,631 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:13:32,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:13:32,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:13:32,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1506176128, now seen corresponding path program 1 times [2024-10-13 15:13:32,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:13:32,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830109606] [2024-10-13 15:13:32,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:13:32,651 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 [2024-10-13 15:13:32,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:13:32,654 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) [2024-10-13 15:13:32,656 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 [2024-10-13 15:13:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:13:32,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-13 15:13:32,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:13:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:13:32,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:13:32,774 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 15:13:32,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830109606] [2024-10-13 15:13:32,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830109606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:13:32,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:13:32,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 15:13:32,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182106299] [2024-10-13 15:13:32,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:13:32,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 15:13:32,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 15:13:32,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 15:13:32,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 15:13:32,812 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:13:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:13:32,841 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-10-13 15:13:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 15:13:32,843 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-10-13 15:13:32,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:13:32,849 INFO L225 Difference]: With dead ends: 14 [2024-10-13 15:13:32,850 INFO L226 Difference]: Without dead ends: 10 [2024-10-13 15:13:32,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 15:13:32,857 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:13:32,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:13:32,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-13 15:13:32,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-13 15:13:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:13:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-10-13 15:13:32,885 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2024-10-13 15:13:32,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:13:32,886 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-10-13 15:13:32,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:13:32,887 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-10-13 15:13:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 15:13:32,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:13:32,888 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:13:32,893 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 [2024-10-13 15:13:33,088 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 [2024-10-13 15:13:33,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:13:33,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:13:33,090 INFO L85 PathProgramCache]: Analyzing trace with hash -553180240, now seen corresponding path program 1 times [2024-10-13 15:13:33,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:13:33,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549523773] [2024-10-13 15:13:33,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:13:33,091 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 [2024-10-13 15:13:33,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:13:33,092 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-10-13 15:13:33,094 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 (3)] Waiting until timeout for monitored process [2024-10-13 15:13:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:13:33,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:13:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:13:33,219 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 15:13:33,219 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:13:33,221 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:13:33,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:13:33,229 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 (3)] Ended with exit code 0 [2024-10-13 15:13:33,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-10-13 15:13:33,428 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 15:13:33,445 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:13:33,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:13:33 BoogieIcfgContainer [2024-10-13 15:13:33,450 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:13:33,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:13:33,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:13:33,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:13:33,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:13:32" (3/4) ... [2024-10-13 15:13:33,453 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:13:33,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:13:33,455 INFO L158 Benchmark]: Toolchain (without parser) took 2624.47ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.3MB in the beginning and 55.9MB in the end (delta: -14.7MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-10-13 15:13:33,455 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 28.7MB in the beginning and 28.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:13:33,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1188.36ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 49.2MB in the end (delta: -8.2MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-10-13 15:13:33,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.08ms. Allocated memory is still 88.1MB. Free memory was 49.2MB in the beginning and 46.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:13:33,456 INFO L158 Benchmark]: Boogie Preprocessor took 51.18ms. Allocated memory is still 88.1MB. Free memory was 45.9MB in the beginning and 43.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:13:33,457 INFO L158 Benchmark]: RCFGBuilder took 378.74ms. Allocated memory is still 88.1MB. Free memory was 43.8MB in the beginning and 51.5MB in the end (delta: -7.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-10-13 15:13:33,457 INFO L158 Benchmark]: TraceAbstraction took 925.82ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 55.9MB in the end (delta: -5.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-13 15:13:33,458 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 88.1MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:13:33,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 28.7MB in the beginning and 28.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1188.36ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 49.2MB in the end (delta: -8.2MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.08ms. Allocated memory is still 88.1MB. Free memory was 49.2MB in the beginning and 46.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.18ms. Allocated memory is still 88.1MB. Free memory was 45.9MB in the beginning and 43.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.74ms. Allocated memory is still 88.1MB. Free memory was 43.8MB in the beginning and 51.5MB in the end (delta: -7.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 925.82ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 55.9MB in the end (delta: -5.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 88.1MB. Free memory is still 55.9MB. 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_max_preinc_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = 0x7fffffff [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] ++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: 1559]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-10-13 15:13:33,492 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