./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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_postdec_45_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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:27:36,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:27:36,523 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 14:27:36,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:27:36,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:27:36,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:27:36,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:27:36,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:27:36,564 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:27:36,565 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:27:36,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:27:36,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:27:36,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:27:36,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:27:36,570 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:27:36,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:27:36,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:27:36,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:27:36,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:27:36,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:27:36,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:27:36,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:27:36,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:27:36,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:27:36,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:27:36,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:27:36,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:27:36,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:27:36,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:27:36,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:27:36,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:27:36,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:27:36,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:27:36,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:27:36,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:27:36,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:27:36,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:27:36,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:27:36,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:27:36,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:27:36,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:27:36,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2024-11-09 14:27:36,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:27:36,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:27:36,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:27:36,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:27:36,866 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:27:36,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-11-09 14:27:38,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:27:38,664 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:27:38,666 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-11-09 14:27:38,695 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937028d95/b278b4c9972e4e85a6b2ed6b18a272fe/FLAGf679e26d9 [2024-11-09 14:27:38,712 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937028d95/b278b4c9972e4e85a6b2ed6b18a272fe [2024-11-09 14:27:38,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:27:38,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:27:38,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:27:38,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:27:38,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:27:38,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:27:38" (1/1) ... [2024-11-09 14:27:38,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221a3851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:38, skipping insertion in model container [2024-11-09 14:27:38,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:27:38" (1/1) ... [2024-11-09 14:27:38,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:27:39,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:27:39,447 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:27:39,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:27:39,686 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:27:39,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39 WrapperNode [2024-11-09 14:27:39,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:27:39,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:27:39,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:27:39,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:27:39,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,745 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2024-11-09 14:27:39,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:27:39,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:27:39,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:27:39,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:27:39,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,785 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 14:27:39,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:27:39,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:27:39,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:27:39,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:27:39,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (1/1) ... [2024-11-09 14:27:39,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:27:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:27:39,851 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) [2024-11-09 14:27:39,854 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 [2024-11-09 14:27:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 14:27:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 14:27:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:27:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:27:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:27:40,048 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:27:40,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:27:40,248 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-09 14:27:40,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:27:40,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:27:40,263 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:27:40,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:27:40 BoogieIcfgContainer [2024-11-09 14:27:40,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:27:40,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:27:40,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:27:40,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:27:40,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:27:38" (1/3) ... [2024-11-09 14:27:40,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a198a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:27:40, skipping insertion in model container [2024-11-09 14:27:40,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:39" (2/3) ... [2024-11-09 14:27:40,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a198a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:27:40, skipping insertion in model container [2024-11-09 14:27:40,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:27:40" (3/3) ... [2024-11-09 14:27:40,271 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-11-09 14:27:40,285 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:27:40,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 14:27:40,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:27:40,352 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;@17efbb61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:27:40,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 14:27:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 38 states have internal predecessors, (52), 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) [2024-11-09 14:27:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 14:27:40,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:27:40,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:27:40,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 14:27:40,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:27:40,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1664946168, now seen corresponding path program 1 times [2024-11-09 14:27:40,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:27:40,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018206800] [2024-11-09 14:27:40,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:27:40,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:27:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:27:40,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 14:27:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:27:40,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 14:27:40,615 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 14:27:40,616 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 14:27:40,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 14:27:40,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:27:40,622 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 14:27:40,647 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:27:40,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:27:40 BoogieIcfgContainer [2024-11-09 14:27:40,650 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:27:40,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:27:40,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:27:40,651 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:27:40,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:27:40" (3/4) ... [2024-11-09 14:27:40,654 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 14:27:40,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:27:40,656 INFO L158 Benchmark]: Toolchain (without parser) took 1937.76ms. Allocated memory is still 165.7MB. Free memory was 110.3MB in the beginning and 60.9MB in the end (delta: 49.4MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-09 14:27:40,656 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:27:40,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.92ms. Allocated memory is still 165.7MB. Free memory was 110.3MB in the beginning and 102.0MB in the end (delta: 8.3MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-09 14:27:40,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.35ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 99.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:27:40,657 INFO L158 Benchmark]: Boogie Preprocessor took 62.57ms. Allocated memory is still 165.7MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:27:40,658 INFO L158 Benchmark]: RCFGBuilder took 454.28ms. Allocated memory is still 165.7MB. Free memory was 96.9MB in the beginning and 80.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 14:27:40,658 INFO L158 Benchmark]: TraceAbstraction took 384.57ms. Allocated memory is still 165.7MB. Free memory was 78.9MB in the beginning and 61.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 14:27:40,659 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 165.7MB. Free memory was 61.3MB in the beginning and 60.9MB in the end (delta: 390.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:27:40,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.92ms. Allocated memory is still 165.7MB. Free memory was 110.3MB in the beginning and 102.0MB in the end (delta: 8.3MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.35ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 99.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.57ms. Allocated memory is still 165.7MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 454.28ms. Allocated memory is still 165.7MB. Free memory was 96.9MB in the beginning and 80.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 384.57ms. Allocated memory is still 165.7MB. Free memory was 78.9MB in the beginning and 61.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 165.7MB. Free memory was 61.3MB in the beginning and 60.9MB in the end (delta: 390.5kB). 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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: 1555]: 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, 42 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=42occurred 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 [2024-11-09 14:27:40,697 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_postdec_45_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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:27:42,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:27:42,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-09 14:27:42,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:27:42,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:27:42,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-09 14:27:43,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:27:43,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:27:43,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:27:43,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:27:43,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:27:43,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:27:43,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:27:43,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:27:43,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:27:43,028 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:27:43,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:27:43,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:27:43,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:27:43,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:27:43,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:27:43,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:27:43,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 14:27:43,034 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 14:27:43,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:27:43,035 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:27:43,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 14:27:43,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:27:43,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:27:43,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:27:43,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:27:43,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:27:43,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:27:43,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:27:43,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:27:43,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:27:43,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:27:43,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:27:43,041 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 14:27:43,041 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 14:27:43,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:27:43,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:27:43,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:27:43,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:27:43,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2024-11-09 14:27:43,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:27:43,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:27:43,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:27:43,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:27:43,413 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:27:43,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-11-09 14:27:44,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:27:45,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:27:45,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-11-09 14:27:45,371 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39acfd152/7cf99b10e71044a6978e82ce71e06af9/FLAGdce57e199 [2024-11-09 14:27:45,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39acfd152/7cf99b10e71044a6978e82ce71e06af9 [2024-11-09 14:27:45,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:27:45,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:27:45,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:27:45,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:27:45,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:27:45,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:27:45" (1/1) ... [2024-11-09 14:27:45,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcccfaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:45, skipping insertion in model container [2024-11-09 14:27:45,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:27:45" (1/1) ... [2024-11-09 14:27:45,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:27:46,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:27:46,200 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:27:46,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:27:46,460 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:27:46,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46 WrapperNode [2024-11-09 14:27:46,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:27:46,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:27:46,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:27:46,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:27:46,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,540 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-09 14:27:46,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:27:46,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:27:46,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:27:46,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:27:46,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,576 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 14:27:46,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:27:46,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:27:46,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:27:46,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:27:46,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (1/1) ... [2024-11-09 14:27:46,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:27:46,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:27:46,626 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) [2024-11-09 14:27:46,633 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 [2024-11-09 14:27:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 14:27:46,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 14:27:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:27:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:27:46,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:27:46,860 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:27:46,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:27:47,010 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-09 14:27:47,010 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:27:47,023 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:27:47,024 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:27:47,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:27:47 BoogieIcfgContainer [2024-11-09 14:27:47,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:27:47,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:27:47,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:27:47,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:27:47,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:27:45" (1/3) ... [2024-11-09 14:27:47,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b719cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:27:47, skipping insertion in model container [2024-11-09 14:27:47,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:46" (2/3) ... [2024-11-09 14:27:47,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b719cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:27:47, skipping insertion in model container [2024-11-09 14:27:47,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:27:47" (3/3) ... [2024-11-09 14:27:47,035 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-11-09 14:27:47,053 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:27:47,053 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 14:27:47,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:27:47,129 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;@edd90da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:27:47,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 14:27:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-09 14:27:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 14:27:47,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:27:47,144 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:27:47,145 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 14:27:47,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:27:47,151 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2024-11-09 14:27:47,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 14:27:47,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979199410] [2024-11-09 14:27:47,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:27:47,167 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 [2024-11-09 14:27:47,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 14:27:47,170 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) [2024-11-09 14:27:47,171 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 [2024-11-09 14:27:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:27:47,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 14:27:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:27:47,370 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 14:27:47,372 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 14:27:47,373 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 14:27:47,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 14:27:47,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 14:27:47,576 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 [2024-11-09 14:27:47,580 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 14:27:47,609 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:27:47,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:27:47 BoogieIcfgContainer [2024-11-09 14:27:47,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:27:47,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:27:47,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:27:47,616 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:27:47,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:27:47" (3/4) ... [2024-11-09 14:27:47,631 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 14:27:47,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:27:47,633 INFO L158 Benchmark]: Toolchain (without parser) took 2245.55ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 37.3MB in the beginning and 62.2MB in the end (delta: -24.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-09 14:27:47,634 INFO L158 Benchmark]: CDTParser took 1.95ms. Allocated memory is still 52.4MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:27:47,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.75ms. Allocated memory is still 75.5MB. Free memory was 37.1MB in the beginning and 33.6MB in the end (delta: 3.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-09 14:27:47,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.47ms. Allocated memory is still 75.5MB. Free memory was 33.6MB in the beginning and 30.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:27:47,635 INFO L158 Benchmark]: Boogie Preprocessor took 53.50ms. Allocated memory is still 75.5MB. Free memory was 30.4MB in the beginning and 27.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:27:47,636 INFO L158 Benchmark]: RCFGBuilder took 428.42ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 27.7MB in the beginning and 52.3MB in the end (delta: -24.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 14:27:47,636 INFO L158 Benchmark]: TraceAbstraction took 585.92ms. Allocated memory is still 92.3MB. Free memory was 51.7MB in the beginning and 34.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 14:27:47,637 INFO L158 Benchmark]: Witness Printer took 17.52ms. Allocated memory is still 92.3MB. Free memory was 34.4MB in the beginning and 62.2MB in the end (delta: -27.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-11-09 14:27:47,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95ms. Allocated memory is still 52.4MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1072.75ms. Allocated memory is still 75.5MB. Free memory was 37.1MB in the beginning and 33.6MB in the end (delta: 3.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.47ms. Allocated memory is still 75.5MB. Free memory was 33.6MB in the beginning and 30.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.50ms. Allocated memory is still 75.5MB. Free memory was 30.4MB in the beginning and 27.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.42ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 27.7MB in the beginning and 52.3MB in the end (delta: -24.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 585.92ms. Allocated memory is still 92.3MB. Free memory was 51.7MB in the beginning and 34.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 17.52ms. Allocated memory is still 92.3MB. Free memory was 34.4MB in the beginning and 62.2MB in the end (delta: -27.7MB). Peak memory consumption was 3.1MB. 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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: 1555]: 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, 22 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=22occurred 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 [2024-11-09 14:27:47,672 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