./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_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 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:23:50,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:23:51,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:23:51,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:23:51,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:23:51,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:23:51,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:23:51,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:23:51,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:23:51,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:23:51,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:23:51,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:23:51,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:23:51,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:23:51,070 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:23:51,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:23:51,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:23:51,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:23:51,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:23:51,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:23:51,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:23:51,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:23:51,076 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:23:51,076 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:23:51,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:23:51,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:23:51,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:23:51,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:23:51,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:23:51,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:23:51,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:23:51,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:23:51,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:23:51,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:23:51,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:23:51,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:23:51,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:23:51,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:23:51,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:23:51,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:23:51,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:23:51,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d [2024-11-19 13:23:51,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:23:51,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:23:51,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:23:51,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:23:51,392 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:23:51,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-11-19 13:23:52,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:23:53,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:23:53,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-11-19 13:23:53,143 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058941d9d/fa6e42a3346148dab3c12992447420f2/FLAG2c4725f77 [2024-11-19 13:23:53,335 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058941d9d/fa6e42a3346148dab3c12992447420f2 [2024-11-19 13:23:53,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:23:53,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:23:53,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:23:53,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:23:53,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:23:53,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:23:53" (1/1) ... [2024-11-19 13:23:53,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5025364e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:53, skipping insertion in model container [2024-11-19 13:23:53,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:23:53" (1/1) ... [2024-11-19 13:23:53,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:23:54,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:23:54,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:23:54,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:23:54,370 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:23:54,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54 WrapperNode [2024-11-19 13:23:54,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:23:54,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:23:54,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:23:54,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:23:54,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,435 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 102 [2024-11-19 13:23:54,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:23:54,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:23:54,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:23:54,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:23:54,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,462 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:23:54,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:23:54,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:23:54,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:23:54,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:23:54,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (1/1) ... [2024-11-19 13:23:54,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:23:54,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:23:54,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:23:54,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:23:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:23:54,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:23:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:23:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:23:54,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:23:54,735 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:23:54,736 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:23:54,901 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-19 13:23:54,901 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:23:54,915 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:23:54,915 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:23:54,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:54 BoogieIcfgContainer [2024-11-19 13:23:54,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:23:54,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:23:54,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:23:54,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:23:54,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:23:53" (1/3) ... [2024-11-19 13:23:54,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3eb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:23:54, skipping insertion in model container [2024-11-19 13:23:54,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:54" (2/3) ... [2024-11-19 13:23:54,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3eb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:23:54, skipping insertion in model container [2024-11-19 13:23:54,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:54" (3/3) ... [2024-11-19 13:23:54,925 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-11-19 13:23:54,939 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:23:54,939 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:23:54,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:23:55,003 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;@7bbf00dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:23:55,003 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:23:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 39 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:23:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 13:23:55,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:23:55,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:23:55,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:23:55,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:23:55,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1758198524, now seen corresponding path program 1 times [2024-11-19 13:23:55,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:23:55,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722627032] [2024-11-19 13:23:55,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:23:55,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:23:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:23:55,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:23:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:23:55,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:23:55,270 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:23:55,271 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:23:55,273 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:23:55,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:23:55,277 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:23:55,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:23:55,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:23:55 BoogieIcfgContainer [2024-11-19 13:23:55,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:23:55,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:23:55,302 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:23:55,302 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:23:55,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:54" (3/4) ... [2024-11-19 13:23:55,305 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:23:55,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:23:55,306 INFO L158 Benchmark]: Toolchain (without parser) took 1968.11ms. Allocated memory is still 167.8MB. Free memory was 133.3MB in the beginning and 100.9MB in the end (delta: 32.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-19 13:23:55,307 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:23:55,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.54ms. Allocated memory is still 167.8MB. Free memory was 133.3MB in the beginning and 67.2MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:55,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.58ms. Allocated memory is still 167.8MB. Free memory was 67.2MB in the beginning and 64.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:55,308 INFO L158 Benchmark]: Boogie Preprocessor took 46.83ms. Allocated memory is still 167.8MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:55,308 INFO L158 Benchmark]: RCFGBuilder took 431.65ms. Allocated memory is still 167.8MB. Free memory was 62.0MB in the beginning and 120.8MB in the end (delta: -58.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 13:23:55,309 INFO L158 Benchmark]: TraceAbstraction took 383.12ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 102.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 13:23:55,309 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 100.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:23:55,313 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.54ms. Allocated memory is still 167.8MB. Free memory was 133.3MB in the beginning and 67.2MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.58ms. Allocated memory is still 167.8MB. Free memory was 67.2MB in the beginning and 64.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.83ms. Allocated memory is still 167.8MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.65ms. Allocated memory is still 167.8MB. Free memory was 62.0MB in the beginning and 120.8MB in the end (delta: -58.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 383.12ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 102.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 100.9MB in the end (delta: 1.0MB). 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: 1568]: 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 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_sub_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] 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, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data - 1 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: 1568]: 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, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:23:55,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_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 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:23:57,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:23:57,593 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:23:57,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:23:57,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:23:57,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:23:57,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:23:57,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:23:57,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:23:57,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:23:57,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:23:57,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:23:57,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:23:57,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:23:57,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:23:57,636 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:23:57,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:23:57,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:23:57,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:23:57,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:23:57,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:23:57,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:23:57,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:23:57,639 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:23:57,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:23:57,640 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:23:57,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:23:57,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:23:57,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:23:57,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:23:57,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:23:57,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:23:57,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:23:57,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:23:57,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:23:57,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:23:57,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:23:57,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:23:57,644 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:23:57,644 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:23:57,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:23:57,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:23:57,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:23:57,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:23:57,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d [2024-11-19 13:23:57,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:23:57,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:23:57,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:23:57,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:23:57,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:23:57,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-11-19 13:23:59,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:23:59,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:23:59,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-11-19 13:23:59,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23afb18a/74a0975f4a534ee3b7446d87f8c7bf28/FLAG178c0bd51 [2024-11-19 13:23:59,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23afb18a/74a0975f4a534ee3b7446d87f8c7bf28 [2024-11-19 13:23:59,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:23:59,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:23:59,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:23:59,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:23:59,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:23:59,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:23:59" (1/1) ... [2024-11-19 13:23:59,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c90a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:59, skipping insertion in model container [2024-11-19 13:23:59,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:23:59" (1/1) ... [2024-11-19 13:23:59,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:24:00,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:24:00,927 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:24:01,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:24:01,115 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:24:01,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01 WrapperNode [2024-11-19 13:24:01,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:24:01,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:24:01,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:24:01,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:24:01,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,172 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 62 [2024-11-19 13:24:01,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:24:01,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:24:01,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:24:01,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:24:01,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,186 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,194 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:24:01,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:24:01,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:24:01,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:24:01,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:24:01,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (1/1) ... [2024-11-19 13:24:01,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:24:01,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:24:01,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:24:01,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:24:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:24:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:24:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:24:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:24:01,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:24:01,513 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:24:01,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:24:01,666 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-19 13:24:01,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:24:01,680 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:24:01,680 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:24:01,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:24:01 BoogieIcfgContainer [2024-11-19 13:24:01,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:24:01,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:24:01,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:24:01,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:24:01,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:23:59" (1/3) ... [2024-11-19 13:24:01,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdf421a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:24:01, skipping insertion in model container [2024-11-19 13:24:01,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:01" (2/3) ... [2024-11-19 13:24:01,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdf421a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:24:01, skipping insertion in model container [2024-11-19 13:24:01,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:24:01" (3/3) ... [2024-11-19 13:24:01,689 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-11-19 13:24:01,704 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:24:01,705 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:24:01,770 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:24:01,777 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;@477502bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:24:01,778 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:24:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:24:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:24:01,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:24:01,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:24:01,791 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:24:01,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:24:01,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2024-11-19 13:24:01,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:24:01,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618869387] [2024-11-19 13:24:01,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:24:01,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:24:01,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:24:01,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:24:01,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 13:24:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:24:01,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:24:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:24:02,011 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:24:02,013 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:24:02,015 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:24:02,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:24:02,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-19 13:24:02,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:24:02,227 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:24:02,246 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:24:02,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:24:02 BoogieIcfgContainer [2024-11-19 13:24:02,248 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:24:02,248 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:24:02,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:24:02,249 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:24:02,249 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:24:01" (3/4) ... [2024-11-19 13:24:02,251 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:24:02,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:24:02,253 INFO L158 Benchmark]: Toolchain (without parser) took 2481.21ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 41.6MB in the beginning and 33.7MB in the end (delta: 7.9MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-19 13:24:02,253 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:24:02,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1338.17ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 41.4MB in the beginning and 45.0MB in the end (delta: -3.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-19 13:24:02,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.53ms. Allocated memory is still 90.2MB. Free memory was 45.0MB in the beginning and 41.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:24:02,255 INFO L158 Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory is still 90.2MB. Free memory was 41.6MB in the beginning and 39.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:24:02,255 INFO L158 Benchmark]: RCFGBuilder took 472.03ms. Allocated memory is still 90.2MB. Free memory was 38.8MB in the beginning and 52.0MB in the end (delta: -13.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-19 13:24:02,256 INFO L158 Benchmark]: TraceAbstraction took 565.21ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 34.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:24:02,256 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 90.2MB. Free memory was 34.2MB in the beginning and 33.7MB in the end (delta: 504.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:24:02,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1338.17ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 41.4MB in the beginning and 45.0MB in the end (delta: -3.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.53ms. Allocated memory is still 90.2MB. Free memory was 45.0MB in the beginning and 41.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.52ms. Allocated memory is still 90.2MB. Free memory was 41.6MB in the beginning and 39.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.03ms. Allocated memory is still 90.2MB. Free memory was 38.8MB in the beginning and 52.0MB in the end (delta: -13.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 565.21ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 34.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.62ms. Allocated memory is still 90.2MB. Free memory was 34.2MB in the beginning and 33.7MB in the end (delta: 504.8kB). 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: 1568]: 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 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_sub_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] 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, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data - 1 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: 1568]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:24:02,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample