./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_rand_preinc_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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_rand_preinc_21_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 cf2d97124fd7523f79d263c31fcf96ae2be0d4fb135dd503e2a6fc0de75e0a4f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:31:52,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:31:52,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 22:31:52,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:31:52,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:31:52,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:31:52,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:31:52,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:31:52,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:31:52,851 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:31:52,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:31:52,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:31:52,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:31:52,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:31:52,853 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:31:52,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:31:52,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:31:52,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 22:31:52,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:31:52,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:31:52,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:31:52,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:31:52,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:31:52,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:31:52,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:31:52,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:31:52,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:31:52,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:31:52,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:31:52,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:31:52,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:31:52,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:31:52,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:31:52,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:31:52,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:31:52,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 22:31:52,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 22:31:52,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:31:52,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:31:52,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:31:52,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:31:52,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf2d97124fd7523f79d263c31fcf96ae2be0d4fb135dd503e2a6fc0de75e0a4f [2024-10-14 22:31:53,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:31:53,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:31:53,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:31:53,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:31:53,166 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:31:53,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_bad.i [2024-10-14 22:31:54,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:31:54,998 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:31:55,000 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_bad.i [2024-10-14 22:31:55,037 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8963317c/8beb9bb4b176442e98009a6c8ec435d8/FLAGa10cbad7c [2024-10-14 22:31:55,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8963317c/8beb9bb4b176442e98009a6c8ec435d8 [2024-10-14 22:31:55,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:31:55,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:31:55,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:31:55,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:31:55,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:31:55,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:31:55" (1/1) ... [2024-10-14 22:31:55,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a70d981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:55, skipping insertion in model container [2024-10-14 22:31:55,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:31:55" (1/1) ... [2024-10-14 22:31:55,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:31:55,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:31:55,912 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:31:56,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:31:56,212 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:31:56,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56 WrapperNode [2024-10-14 22:31:56,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:31:56,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:31:56,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:31:56,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:31:56,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,302 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-10-14 22:31:56,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:31:56,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:31:56,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:31:56,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:31:56,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,335 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:31:56,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:31:56,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:31:56,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:31:56,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:31:56,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (1/1) ... [2024-10-14 22:31:56,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:31:56,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:31:56,391 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) [2024-10-14 22:31:56,397 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 [2024-10-14 22:31:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:31:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:31:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:31:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:31:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:31:56,618 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:31:56,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:31:56,841 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-10-14 22:31:56,842 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:31:56,865 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:31:56,865 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:31:56,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:56 BoogieIcfgContainer [2024-10-14 22:31:56,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:31:56,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:31:56,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:31:56,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:31:56,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:31:55" (1/3) ... [2024-10-14 22:31:56,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2c3754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:31:56, skipping insertion in model container [2024-10-14 22:31:56,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:56" (2/3) ... [2024-10-14 22:31:56,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2c3754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:31:56, skipping insertion in model container [2024-10-14 22:31:56,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:56" (3/3) ... [2024-10-14 22:31:56,877 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_21_bad.i [2024-10-14 22:31:56,896 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:31:56,897 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 22:31:56,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:31:56,965 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;@5e209f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:31:56,965 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 22:31:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 32 states have (on average 1.53125) internal successors, (49), 34 states have internal predecessors, (49), 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) [2024-10-14 22:31:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 22:31:56,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:56,986 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:56,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:56,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:56,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1178046316, now seen corresponding path program 1 times [2024-10-14 22:31:56,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:31:56,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837497083] [2024-10-14 22:31:56,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:57,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:31:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:57,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:31:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:31:57,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:31:57,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837497083] [2024-10-14 22:31:57,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837497083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:31:57,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:31:57,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:31:57,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200536114] [2024-10-14 22:31:57,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:31:57,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:31:57,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:31:57,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:31:57,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:31:57,561 INFO L87 Difference]: Start difference. First operand has 38 states, 32 states have (on average 1.53125) internal successors, (49), 34 states have internal predecessors, (49), 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 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-14 22:31:57,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:31:57,606 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2024-10-14 22:31:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:31:57,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2024-10-14 22:31:57,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:31:57,615 INFO L225 Difference]: With dead ends: 39 [2024-10-14 22:31:57,615 INFO L226 Difference]: Without dead ends: 33 [2024-10-14 22:31:57,617 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 [2024-10-14 22:31:57,620 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 2 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:31:57,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 89 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:31:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-14 22:31:57,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-14 22:31:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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) [2024-10-14 22:31:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2024-10-14 22:31:57,651 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 15 [2024-10-14 22:31:57,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:31:57,652 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2024-10-14 22:31:57,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-14 22:31:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-10-14 22:31:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 22:31:57,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:57,657 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:57,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 22:31:57,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:57,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:57,660 INFO L85 PathProgramCache]: Analyzing trace with hash -2135269740, now seen corresponding path program 1 times [2024-10-14 22:31:57,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:31:57,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650462581] [2024-10-14 22:31:57,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:57,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:31:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:57,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:31:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:31:57,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:31:57,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650462581] [2024-10-14 22:31:57,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650462581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:31:57,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:31:57,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 22:31:57,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356008615] [2024-10-14 22:31:57,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:31:57,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 22:31:57,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:31:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 22:31:57,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 22:31:57,944 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-10-14 22:31:58,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:31:58,023 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2024-10-14 22:31:58,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 22:31:58,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 16 [2024-10-14 22:31:58,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:31:58,025 INFO L225 Difference]: With dead ends: 39 [2024-10-14 22:31:58,025 INFO L226 Difference]: Without dead ends: 33 [2024-10-14 22:31:58,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 22:31:58,027 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 22:31:58,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 173 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 22:31:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-14 22:31:58,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-14 22:31:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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) [2024-10-14 22:31:58,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-10-14 22:31:58,037 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 16 [2024-10-14 22:31:58,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:31:58,038 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-14 22:31:58,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-10-14 22:31:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-10-14 22:31:58,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 22:31:58,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:58,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:58,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 22:31:58,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:58,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:58,041 INFO L85 PathProgramCache]: Analyzing trace with hash -167195922, now seen corresponding path program 1 times [2024-10-14 22:31:58,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:31:58,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405966385] [2024-10-14 22:31:58,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:58,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:31:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:31:58,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 22:31:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:31:58,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 22:31:58,116 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 22:31:58,117 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 22:31:58,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 22:31:58,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 22:31:58,123 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 22:31:58,150 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:31:58,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:31:58 BoogieIcfgContainer [2024-10-14 22:31:58,154 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:31:58,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:31:58,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:31:58,155 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:31:58,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:56" (3/4) ... [2024-10-14 22:31:58,158 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 22:31:58,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:31:58,160 INFO L158 Benchmark]: Toolchain (without parser) took 3099.44ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 54.3MB in the end (delta: 30.5MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-10-14 22:31:58,160 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:31:58,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1148.05ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 91.2MB in the end (delta: -6.4MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2024-10-14 22:31:58,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.08ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 88.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:31:58,165 INFO L158 Benchmark]: Boogie Preprocessor took 44.61ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:31:58,166 INFO L158 Benchmark]: RCFGBuilder took 516.57ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 68.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 22:31:58,166 INFO L158 Benchmark]: TraceAbstraction took 1283.12ms. Allocated memory is still 140.5MB. Free memory was 67.5MB in the beginning and 55.1MB in the end (delta: 12.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-10-14 22:31:58,166 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 140.5MB. Free memory was 55.1MB in the beginning and 54.3MB in the end (delta: 857.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:31:58,172 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 140.5MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1148.05ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 91.2MB in the end (delta: -6.4MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.08ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 88.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.61ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.57ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 68.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1283.12ms. Allocated memory is still 140.5MB. Free memory was 67.5MB in the beginning and 55.1MB in the end (delta: 12.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 140.5MB. Free memory was 55.1MB in the beginning and 54.3MB in the end (delta: 857.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_preinc_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 262 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 82 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2024-10-14 22:31:58,200 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_rand_preinc_21_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 cf2d97124fd7523f79d263c31fcf96ae2be0d4fb135dd503e2a6fc0de75e0a4f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:32:00,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:32:00,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 22:32:00,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:32:00,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:32:00,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 22:32:00,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:32:00,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:32:00,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:32:00,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:32:00,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:32:00,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:32:00,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:32:00,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:32:00,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:32:00,494 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:32:00,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:32:00,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:32:00,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:32:00,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:32:00,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:32:00,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:32:00,498 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 22:32:00,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 22:32:00,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:32:00,499 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:32:00,499 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 22:32:00,499 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:32:00,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:32:00,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:32:00,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:32:00,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:32:00,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:32:00,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:32:00,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:32:00,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:32:00,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:32:00,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:32:00,502 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 22:32:00,502 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 22:32:00,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:32:00,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:32:00,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:32:00,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:32:00,503 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 22:32:00,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf2d97124fd7523f79d263c31fcf96ae2be0d4fb135dd503e2a6fc0de75e0a4f [2024-10-14 22:32:00,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:32:00,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:32:00,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:32:00,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:32:00,845 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:32:00,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_bad.i [2024-10-14 22:32:02,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:32:02,896 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:32:02,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_bad.i [2024-10-14 22:32:02,922 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02550cc49/fe86aaa7c8b8413cbe50a6d9e3f7a0d8/FLAG0440f9c6f [2024-10-14 22:32:03,069 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02550cc49/fe86aaa7c8b8413cbe50a6d9e3f7a0d8 [2024-10-14 22:32:03,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:32:03,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:32:03,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:32:03,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:32:03,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:32:03,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:32:03" (1/1) ... [2024-10-14 22:32:03,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd87c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:03, skipping insertion in model container [2024-10-14 22:32:03,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:32:03" (1/1) ... [2024-10-14 22:32:03,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:32:03,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:32:03,973 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:32:04,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:32:04,172 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:32:04,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04 WrapperNode [2024-10-14 22:32:04,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:32:04,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:32:04,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:32:04,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:32:04,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,238 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-10-14 22:32:04,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:32:04,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:32:04,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:32:04,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:32:04,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,268 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:32:04,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:32:04,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:32:04,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:32:04,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:32:04,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2024-10-14 22:32:04,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:32:04,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:32:04,335 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) [2024-10-14 22:32:04,337 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 [2024-10-14 22:32:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:32:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:32:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:32:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:32:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:32:04,550 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:32:04,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:32:04,708 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-10-14 22:32:04,710 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:32:04,763 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:32:04,763 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:32:04,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:32:04 BoogieIcfgContainer [2024-10-14 22:32:04,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:32:04,768 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:32:04,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:32:04,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:32:04,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:32:03" (1/3) ... [2024-10-14 22:32:04,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d6e6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:32:04, skipping insertion in model container [2024-10-14 22:32:04,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (2/3) ... [2024-10-14 22:32:04,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d6e6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:32:04, skipping insertion in model container [2024-10-14 22:32:04,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:32:04" (3/3) ... [2024-10-14 22:32:04,776 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_21_bad.i [2024-10-14 22:32:04,794 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:32:04,794 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 22:32:04,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:32:04,872 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;@7e9474c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:32:04,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 22:32:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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) [2024-10-14 22:32:04,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 22:32:04,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:32:04,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:32:04,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:32:04,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:32:04,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1341502318, now seen corresponding path program 1 times [2024-10-14 22:32:04,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:32:04,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270790202] [2024-10-14 22:32:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:32:04,908 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 [2024-10-14 22:32:04,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:32:04,912 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) [2024-10-14 22:32:04,913 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 [2024-10-14 22:32:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:32:05,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 22:32:05,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:32:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:32:05,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:32:05,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 22:32:05,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270790202] [2024-10-14 22:32:05,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270790202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:32:05,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:32:05,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 22:32:05,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236916943] [2024-10-14 22:32:05,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:32:05,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 22:32:05,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 22:32:05,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 22:32:05,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 22:32:05,087 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-10-14 22:32:05,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:32:05,111 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2024-10-14 22:32:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 22:32:05,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2024-10-14 22:32:05,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:32:05,119 INFO L225 Difference]: With dead ends: 18 [2024-10-14 22:32:05,120 INFO L226 Difference]: Without dead ends: 13 [2024-10-14 22:32:05,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 22:32:05,128 INFO L432 NwaCegarLoop]: 16 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, 16 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 [2024-10-14 22:32:05,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:32:05,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-14 22:32:05,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-14 22:32:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2024-10-14 22:32:05,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-10-14 22:32:05,164 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-10-14 22:32:05,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:32:05,164 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-10-14 22:32:05,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-10-14 22:32:05,164 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-10-14 22:32:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 22:32:05,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:32:05,165 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:32:05,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 22:32:05,366 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 [2024-10-14 22:32:05,366 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:32:05,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:32:05,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1363101046, now seen corresponding path program 1 times [2024-10-14 22:32:05,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:32:05,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357961399] [2024-10-14 22:32:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:32:05,368 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 [2024-10-14 22:32:05,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:32:05,372 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) [2024-10-14 22:32:05,373 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 [2024-10-14 22:32:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:32:05,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 22:32:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:32:05,525 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 22:32:05,525 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 22:32:05,527 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 22:32:05,529 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 22:32:05,535 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 [2024-10-14 22:32:05,729 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 [2024-10-14 22:32:05,734 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 22:32:05,760 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:32:05,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:32:05 BoogieIcfgContainer [2024-10-14 22:32:05,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:32:05,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:32:05,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:32:05,767 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:32:05,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:32:04" (3/4) ... [2024-10-14 22:32:05,770 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 22:32:05,771 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:32:05,772 INFO L158 Benchmark]: Toolchain (without parser) took 2698.56ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 46.0MB in the beginning and 42.9MB in the end (delta: 3.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-10-14 22:32:05,772 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:32:05,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1098.13ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 36.6MB in the end (delta: 9.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-10-14 22:32:05,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.29ms. Allocated memory is still 71.3MB. Free memory was 36.4MB in the beginning and 33.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 22:32:05,776 INFO L158 Benchmark]: Boogie Preprocessor took 59.87ms. Allocated memory is still 71.3MB. Free memory was 33.2MB in the beginning and 30.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:32:05,776 INFO L158 Benchmark]: RCFGBuilder took 462.91ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 48.6MB in the end (delta: -17.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-10-14 22:32:05,776 INFO L158 Benchmark]: TraceAbstraction took 997.83ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 42.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-10-14 22:32:05,777 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 86.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:32:05,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1098.13ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 36.6MB in the end (delta: 9.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.29ms. Allocated memory is still 71.3MB. Free memory was 36.4MB in the beginning and 33.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.87ms. Allocated memory is still 71.3MB. Free memory was 33.2MB in the beginning and 30.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.91ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 48.6MB in the end (delta: -17.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * TraceAbstraction took 997.83ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 42.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 86.0MB. Free memory is still 42.9MB. 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_preinc_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 16 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, 16 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 47 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 [2024-10-14 22:32:05,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample