./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_square_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_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 e30d750b8337a38998d95c49311a3151bf95518532f236b36c6eebe0f5629fba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:21:56,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:21:56,446 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:21:56,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:21:56,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:21:56,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:21:56,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:21:56,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:21:56,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:21:56,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:21:56,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:21:56,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:21:56,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:21:56,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:21:56,491 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:21:56,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:21:56,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:21:56,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:21:56,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:21:56,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:21:56,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:21:56,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:21:56,497 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:21:56,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:21:56,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:21:56,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:21:56,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:21:56,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:21:56,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:21:56,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:21:56,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:21:56,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:21:56,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:21:56,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:21:56,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:21:56,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:21:56,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:21:56,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:21:56,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:21:56,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:21:56,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:21:56,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e30d750b8337a38998d95c49311a3151bf95518532f236b36c6eebe0f5629fba [2024-10-13 15:21:56,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:21:56,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:21:56,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:21:56,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:21:56,830 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:21:56,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-10-13 15:21:58,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:21:58,718 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:21:58,719 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-10-13 15:21:58,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eacf27a1/b586b18d74984152b30d6057ee1b576a/FLAG329811eac [2024-10-13 15:21:58,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eacf27a1/b586b18d74984152b30d6057ee1b576a [2024-10-13 15:21:58,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:21:58,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:21:58,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:21:58,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:21:58,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:21:58,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:21:58" (1/1) ... [2024-10-13 15:21:58,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@81acfdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:21:58, skipping insertion in model container [2024-10-13 15:21:58,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:21:58" (1/1) ... [2024-10-13 15:21:58,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:21:59,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:21:59,916 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:22:00,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:22:00,328 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:22:00,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00 WrapperNode [2024-10-13 15:22:00,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:22:00,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:22:00,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:22:00,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:22:00,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,404 INFO L138 Inliner]: procedures = 935, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2024-10-13 15:22:00,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:22:00,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:22:00,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:22:00,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:22:00,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,429 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:22:00,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:22:00,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:22:00,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:22:00,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:22:00,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (1/1) ... [2024-10-13 15:22:00,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:22:00,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:22:00,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 15:22:00,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 15:22:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:22:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:22:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:22:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:22:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:22:00,651 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:22:00,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:22:00,889 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-10-13 15:22:00,889 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:22:00,932 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:22:00,932 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:22:00,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:22:00 BoogieIcfgContainer [2024-10-13 15:22:00,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:22:00,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:22:00,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:22:00,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:22:00,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:21:58" (1/3) ... [2024-10-13 15:22:00,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5a38c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:22:00, skipping insertion in model container [2024-10-13 15:22:00,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:00" (2/3) ... [2024-10-13 15:22:00,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5a38c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:22:00, skipping insertion in model container [2024-10-13 15:22:00,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:22:00" (3/3) ... [2024-10-13 15:22:00,943 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-10-13 15:22:00,960 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:22:00,960 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:22:01,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:22:01,034 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;@74918175, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:22:01,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:22:01,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 40 states have internal predecessors, (56), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 15:22:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 15:22:01,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:22:01,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:22:01,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:22:01,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:22:01,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1617223020, now seen corresponding path program 1 times [2024-10-13 15:22:01,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:22:01,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021133000] [2024-10-13 15:22:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:22:01,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:22:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:22:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:22:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:22:01,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:22:01,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:22:01,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021133000] [2024-10-13 15:22:01,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021133000] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:22:01,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:22:01,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 15:22:01,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88254856] [2024-10-13 15:22:01,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:22:01,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 15:22:01,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:22:01,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 15:22:01,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 15:22:01,342 INFO L87 Difference]: Start difference. First operand has 44 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 40 states have internal predecessors, (56), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:22:01,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:22:01,368 INFO L93 Difference]: Finished difference Result 44 states and 64 transitions. [2024-10-13 15:22:01,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 15:22:01,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2024-10-13 15:22:01,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:22:01,378 INFO L225 Difference]: With dead ends: 44 [2024-10-13 15:22:01,378 INFO L226 Difference]: Without dead ends: 37 [2024-10-13 15:22:01,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 15:22:01,385 INFO L432 NwaCegarLoop]: 59 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, 59 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:22:01,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:22:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-13 15:22:01,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-13 15:22:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.4848484848484849) 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) [2024-10-13 15:22:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 53 transitions. [2024-10-13 15:22:01,424 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 53 transitions. Word has length 12 [2024-10-13 15:22:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:22:01,425 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 53 transitions. [2024-10-13 15:22:01,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:22:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-10-13 15:22:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 15:22:01,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:22:01,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:22:01,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:22:01,427 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:22:01,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:22:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1405693791, now seen corresponding path program 1 times [2024-10-13 15:22:01,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:22:01,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665213145] [2024-10-13 15:22:01,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:22:01,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:22:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:22:01,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:22:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:22:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:22:01,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:22:01,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665213145] [2024-10-13 15:22:01,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665213145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:22:01,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:22:01,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:22:01,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227835928] [2024-10-13 15:22:01,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:22:01,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:22:01,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:22:01,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:22:01,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:22:01,550 INFO L87 Difference]: Start difference. First operand 37 states and 53 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:22:01,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:22:01,565 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2024-10-13 15:22:01,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:22:01,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-10-13 15:22:01,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:22:01,566 INFO L225 Difference]: With dead ends: 46 [2024-10-13 15:22:01,566 INFO L226 Difference]: Without dead ends: 35 [2024-10-13 15:22:01,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:22:01,568 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:22:01,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:22:01,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-13 15:22:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-10-13 15:22:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:22:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2024-10-13 15:22:01,576 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 13 [2024-10-13 15:22:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:22:01,577 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2024-10-13 15:22:01,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:22:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-10-13 15:22:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 15:22:01,579 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:22:01,579 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:22:01,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 15:22:01,580 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:22:01,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:22:01,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1861730230, now seen corresponding path program 1 times [2024-10-13 15:22:01,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:22:01,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923722738] [2024-10-13 15:22:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:22:01,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:22:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 15:22:01,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364638000] [2024-10-13 15:22:01,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:22:01,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:22:01,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:22:01,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 15:22:01,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 15:22:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:22:01,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:22:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:22:01,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 15:22:01,794 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:22:01,796 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:22:01,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:22:01,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 15:22:02,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 15:22:02,004 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-13 15:22:02,032 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:22:02,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:22:02 BoogieIcfgContainer [2024-10-13 15:22:02,037 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:22:02,038 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:22:02,038 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:22:02,039 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:22:02,039 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:22:00" (3/4) ... [2024-10-13 15:22:02,041 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:22:02,042 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:22:02,043 INFO L158 Benchmark]: Toolchain (without parser) took 3258.31ms. Allocated memory is still 176.2MB. Free memory was 139.5MB in the beginning and 84.2MB in the end (delta: 55.3MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2024-10-13 15:22:02,043 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:22:02,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.47ms. Allocated memory is still 176.2MB. Free memory was 138.4MB in the beginning and 80.9MB in the end (delta: 57.5MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2024-10-13 15:22:02,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.00ms. Allocated memory is still 176.2MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:22:02,045 INFO L158 Benchmark]: Boogie Preprocessor took 37.18ms. Allocated memory is still 176.2MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:22:02,046 INFO L158 Benchmark]: RCFGBuilder took 490.21ms. Allocated memory is still 176.2MB. Free memory was 74.6MB in the beginning and 130.3MB in the end (delta: -55.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-10-13 15:22:02,046 INFO L158 Benchmark]: TraceAbstraction took 1102.17ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 84.2MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-13 15:22:02,046 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 176.2MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:22:02,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.47ms. Allocated memory is still 176.2MB. Free memory was 138.4MB in the beginning and 80.9MB in the end (delta: 57.5MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.00ms. Allocated memory is still 176.2MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.18ms. Allocated memory is still 176.2MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.21ms. Allocated memory is still 176.2MB. Free memory was 74.6MB in the beginning and 130.3MB in the end (delta: -55.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1102.17ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 84.2MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 176.2MB. Free memory is still 84.2MB. 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: 1849]: 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 1861. 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); [L1861] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1861] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1862] CALL CWE190_Integer_Overflow__int_rand_square_15_bad() [L1834] int data; [L1835] data = 0 [L1838] case 6: [L1838] case 6: [L1838] case 6: [L1839] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] case 6: [L1839] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] 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, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] data = ((int)(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, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1847] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1849] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1849]: 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, 44 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, 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, 149 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 105 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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 [2024-10-13 15:22:02,081 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_square_15_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 e30d750b8337a38998d95c49311a3151bf95518532f236b36c6eebe0f5629fba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:22:04,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:22:04,336 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 15:22:04,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:22:04,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:22:04,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 15:22:04,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:22:04,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:22:04,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:22:04,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:22:04,377 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:22:04,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:22:04,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:22:04,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:22:04,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:22:04,381 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:22:04,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:22:04,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:22:04,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:22:04,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:22:04,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:22:04,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:22:04,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 15:22:04,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 15:22:04,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:22:04,384 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:22:04,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 15:22:04,385 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:22:04,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:22:04,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:22:04,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:22:04,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:22:04,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:22:04,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:22:04,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:22:04,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:22:04,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:22:04,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:22:04,388 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 15:22:04,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 15:22:04,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:22:04,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:22:04,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:22:04,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:22:04,390 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 15:22:04,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e30d750b8337a38998d95c49311a3151bf95518532f236b36c6eebe0f5629fba [2024-10-13 15:22:04,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:22:04,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:22:04,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:22:04,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:22:04,699 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:22:04,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-10-13 15:22:06,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:22:06,634 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:22:06,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-10-13 15:22:06,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed3eaf4c7/f5b665fb5b9346debcf89d2e77b097d2/FLAGda7496040 [2024-10-13 15:22:06,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed3eaf4c7/f5b665fb5b9346debcf89d2e77b097d2 [2024-10-13 15:22:06,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:22:06,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:22:06,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:22:06,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:22:06,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:22:06,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:22:06" (1/1) ... [2024-10-13 15:22:06,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386c036b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:06, skipping insertion in model container [2024-10-13 15:22:06,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:22:06" (1/1) ... [2024-10-13 15:22:06,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:22:07,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:22:07,814 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:22:07,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:22:08,189 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:22:08,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08 WrapperNode [2024-10-13 15:22:08,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:22:08,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:22:08,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:22:08,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:22:08,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,272 INFO L138 Inliner]: procedures = 940, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-10-13 15:22:08,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:22:08,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:22:08,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:22:08,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:22:08,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,316 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:22:08,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:22:08,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:22:08,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:22:08,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:22:08,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (1/1) ... [2024-10-13 15:22:08,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:22:08,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:22:08,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 15:22:08,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 15:22:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:22:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:22:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:22:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:22:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:22:08,595 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:22:08,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:22:10,471 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-13 15:22:10,471 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:22:10,499 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:22:10,499 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:22:10,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:22:10 BoogieIcfgContainer [2024-10-13 15:22:10,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:22:10,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:22:10,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:22:10,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:22:10,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:22:06" (1/3) ... [2024-10-13 15:22:10,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e6ffae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:22:10, skipping insertion in model container [2024-10-13 15:22:10,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:22:08" (2/3) ... [2024-10-13 15:22:10,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e6ffae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:22:10, skipping insertion in model container [2024-10-13 15:22:10,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:22:10" (3/3) ... [2024-10-13 15:22:10,511 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_15_bad.i [2024-10-13 15:22:10,529 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:22:10,529 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:22:10,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:22:10,598 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;@39a12623, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:22:10,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:22:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 15:22:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 15:22:10,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:22:10,611 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:22:10,611 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:22:10,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:22:10,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1642049822, now seen corresponding path program 1 times [2024-10-13 15:22:10,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:22:10,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740578642] [2024-10-13 15:22:10,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:22:10,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:22:10,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:22:10,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 15:22:10,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-13 15:22:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:22:10,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 15:22:10,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 15:22:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:22:10,821 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 15:22:10,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 15:22:10,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740578642] [2024-10-13 15:22:10,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740578642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:22:10,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:22:10,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:22:10,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143123883] [2024-10-13 15:22:10,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:22:10,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:22:10,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 15:22:10,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:22:10,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:22:10,848 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:22:11,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:22:11,152 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-10-13 15:22:11,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:22:11,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-10-13 15:22:11,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:22:11,161 INFO L225 Difference]: With dead ends: 40 [2024-10-13 15:22:11,162 INFO L226 Difference]: Without dead ends: 16 [2024-10-13 15:22:11,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:22:11,168 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 15:22:11,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 15:22:11,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-10-13 15:22:11,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-10-13 15:22:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:22:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-10-13 15:22:11,200 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2024-10-13 15:22:11,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:22:11,201 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-10-13 15:22:11,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:22:11,201 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-10-13 15:22:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 15:22:11,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:22:11,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:22:11,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-13 15:22:11,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:22:11,404 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:22:11,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:22:11,405 INFO L85 PathProgramCache]: Analyzing trace with hash -905108469, now seen corresponding path program 1 times [2024-10-13 15:22:11,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:22:11,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433988888] [2024-10-13 15:22:11,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:22:11,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:22:11,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:22:11,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 15:22:11,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-13 15:22:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:22:11,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:22:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:22:11,602 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 15:22:11,603 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:22:11,604 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:22:11,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:22:11,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-13 15:22:11,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 15:22:11,811 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 15:22:11,834 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:22:11,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:22:11 BoogieIcfgContainer [2024-10-13 15:22:11,838 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:22:11,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:22:11,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:22:11,839 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:22:11,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:22:10" (3/4) ... [2024-10-13 15:22:11,842 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:22:11,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:22:11,844 INFO L158 Benchmark]: Toolchain (without parser) took 5154.76ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 32.1MB in the beginning and 46.3MB in the end (delta: -14.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-10-13 15:22:11,845 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 41.9MB. Free memory is still 18.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:22:11,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1497.79ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 31.9MB in the beginning and 41.5MB in the end (delta: -9.6MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-10-13 15:22:11,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.94ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 37.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:22:11,846 INFO L158 Benchmark]: Boogie Preprocessor took 74.66ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 34.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:22:11,847 INFO L158 Benchmark]: RCFGBuilder took 2151.56ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 47.6MB in the end (delta: -13.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-10-13 15:22:11,847 INFO L158 Benchmark]: TraceAbstraction took 1336.44ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 46.4MB in the end (delta: 531.8kB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-10-13 15:22:11,848 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 113.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:22:11,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 41.9MB. Free memory is still 18.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1497.79ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 31.9MB in the beginning and 41.5MB in the end (delta: -9.6MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.94ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 37.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.66ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 34.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2151.56ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 47.6MB in the end (delta: -13.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1336.44ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 46.4MB in the end (delta: 531.8kB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 113.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1849]: 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 1861. 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); [L1861] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1861] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1862] CALL CWE190_Integer_Overflow__int_rand_square_15_bad() [L1834] int data; [L1835] data = 0 [L1838] case 6: [L1838] case 6: [L1839] 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, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] data = ((int)(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, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1847] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1849] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1849]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-13 15:22:11,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample