./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_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_sub_22_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 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:29:36,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:29:36,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 14:29:36,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:29:36,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:29:36,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:29:36,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:29:36,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:29:36,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:29:36,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:29:36,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:29:36,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:29:36,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:29:36,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:29:36,178 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:29:36,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:29:36,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:29:36,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:29:36,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:29:36,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:29:36,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:29:36,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:29:36,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:29:36,180 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:29:36,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:29:36,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:29:36,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:29:36,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:29:36,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:29:36,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:29:36,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:29:36,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:29:36,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:29:36,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:29:36,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:29:36,184 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:29:36,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:29:36,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:29:36,185 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:29:36,185 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:29:36,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:29:36,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 [2024-11-09 14:29:36,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:29:36,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:29:36,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:29:36,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:29:36,490 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:29:36,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2024-11-09 14:29:37,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:29:38,335 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:29:38,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2024-11-09 14:29:38,367 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742f98f4c/764c2aed8de244258dcbd8bbca878e3c/FLAG167f05a4a [2024-11-09 14:29:38,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742f98f4c/764c2aed8de244258dcbd8bbca878e3c [2024-11-09 14:29:38,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:29:38,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:29:38,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:29:38,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:29:38,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:29:38,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:29:38" (1/1) ... [2024-11-09 14:29:38,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dac8c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:38, skipping insertion in model container [2024-11-09 14:29:38,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:29:38" (1/1) ... [2024-11-09 14:29:38,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:29:39,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:29:39,488 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:29:39,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:29:39,681 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:29:39,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39 WrapperNode [2024-11-09 14:29:39,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:29:39,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:29:39,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:29:39,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:29:39,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,749 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-09 14:29:39,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:29:39,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:29:39,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:29:39,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:29:39,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,774 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 14:29:39,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:29:39,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:29:39,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:29:39,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:29:39,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (1/1) ... [2024-11-09 14:29:39,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:29:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:29:39,848 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 14:29:39,850 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 14:29:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 14:29:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 14:29:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:29:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:29:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:29:40,023 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:29:40,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:29:40,205 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-09 14:29:40,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:29:40,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:29:40,223 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:29:40,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:29:40 BoogieIcfgContainer [2024-11-09 14:29:40,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:29:40,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:29:40,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:29:40,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:29:40,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:29:38" (1/3) ... [2024-11-09 14:29:40,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e909e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:29:40, skipping insertion in model container [2024-11-09 14:29:40,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:39" (2/3) ... [2024-11-09 14:29:40,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e909e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:29:40, skipping insertion in model container [2024-11-09 14:29:40,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:29:40" (3/3) ... [2024-11-09 14:29:40,236 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2024-11-09 14:29:40,249 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:29:40,250 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 14:29:40,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:29:40,315 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;@5fcc123c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:29:40,316 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 14:29:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 39 states have internal predecessors, (54), 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 14:29:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 14:29:40,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:29:40,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:29:40,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 14:29:40,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:29:40,337 INFO L85 PathProgramCache]: Analyzing trace with hash 858330459, now seen corresponding path program 1 times [2024-11-09 14:29:40,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:29:40,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359885850] [2024-11-09 14:29:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:29:40,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:29:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:29:40,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 14:29:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:29:40,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 14:29:40,585 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 14:29:40,586 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 14:29:40,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 14:29:40,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:29:40,592 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 14:29:40,614 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:29:40,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:29:40 BoogieIcfgContainer [2024-11-09 14:29:40,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:29:40,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:29:40,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:29:40,618 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:29:40,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:29:40" (3/4) ... [2024-11-09 14:29:40,620 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 14:29:40,621 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:29:40,623 INFO L158 Benchmark]: Toolchain (without parser) took 2061.15ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 76.3MB in the beginning and 85.6MB in the end (delta: -9.3MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-09 14:29:40,623 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:29:40,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1118.26ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 76.1MB in the beginning and 128.6MB in the end (delta: -52.5MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-11-09 14:29:40,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.74ms. Allocated memory is still 203.4MB. Free memory was 127.6MB in the beginning and 125.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:29:40,625 INFO L158 Benchmark]: Boogie Preprocessor took 56.72ms. Allocated memory is still 203.4MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:29:40,625 INFO L158 Benchmark]: RCFGBuilder took 416.77ms. Allocated memory is still 203.4MB. Free memory was 122.3MB in the beginning and 105.3MB in the end (delta: 17.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 14:29:40,625 INFO L158 Benchmark]: TraceAbstraction took 390.58ms. Allocated memory is still 203.4MB. Free memory was 104.3MB in the beginning and 85.6MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 14:29:40,626 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 203.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:29:40,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1118.26ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 76.1MB in the beginning and 128.6MB in the end (delta: -52.5MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.74ms. Allocated memory is still 203.4MB. Free memory was 127.6MB in the beginning and 125.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.72ms. Allocated memory is still 203.4MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.77ms. Allocated memory is still 203.4MB. Free memory was 122.3MB in the beginning and 105.3MB in the end (delta: 17.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 390.58ms. Allocated memory is still 203.4MB. Free memory was 104.3MB in the beginning and 85.6MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 203.4MB. Free memory is still 85.6MB. 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: 1572]: 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 1561. 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] int CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, 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 printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_22_bad() [L1552] int data; [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 [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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] CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, 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: 1572]: 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, 16 NumberOfCodeBlocks, 16 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 14:29:40,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_22_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 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:29:42,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:29:43,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-09 14:29:43,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:29:43,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:29:43,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-09 14:29:43,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:29:43,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:29:43,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:29:43,108 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:29:43,108 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:29:43,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:29:43,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:29:43,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:29:43,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:29:43,113 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:29:43,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:29:43,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:29:43,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:29:43,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:29:43,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:29:43,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:29:43,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 14:29:43,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 14:29:43,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:29:43,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:29:43,120 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 14:29:43,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:29:43,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:29:43,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:29:43,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:29:43,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:29:43,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:29:43,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:29:43,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:29:43,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:29:43,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:29:43,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:29:43,123 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 14:29:43,123 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 14:29:43,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:29:43,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:29:43,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:29:43,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:29:43,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 [2024-11-09 14:29:43,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:29:43,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:29:43,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:29:43,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:29:43,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:29:43,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2024-11-09 14:29:44,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:29:45,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:29:45,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2024-11-09 14:29:45,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7755c9406/b7ca4a0090254b959ca6dc5e20a208e6/FLAG0cc733f15 [2024-11-09 14:29:45,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7755c9406/b7ca4a0090254b959ca6dc5e20a208e6 [2024-11-09 14:29:45,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:29:45,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:29:45,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:29:45,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:29:45,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:29:45,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:29:45" (1/1) ... [2024-11-09 14:29:45,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c4d113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:45, skipping insertion in model container [2024-11-09 14:29:45,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:29:45" (1/1) ... [2024-11-09 14:29:45,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:29:46,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:29:46,546 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:29:46,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:29:46,787 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:29:46,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46 WrapperNode [2024-11-09 14:29:46,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:29:46,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:29:46,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:29:46,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:29:46,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,855 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-09 14:29:46,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:29:46,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:29:46,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:29:46,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:29:46,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,895 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 14:29:46,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:29:46,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:29:46,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:29:46,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:29:46,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (1/1) ... [2024-11-09 14:29:46,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:29:46,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:29:46,971 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 14:29:46,975 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 14:29:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 14:29:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 14:29:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:29:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:29:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:29:47,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:29:47,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:29:47,332 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-09 14:29:47,332 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:29:47,346 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:29:47,347 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:29:47,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:29:47 BoogieIcfgContainer [2024-11-09 14:29:47,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:29:47,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:29:47,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:29:47,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:29:47,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:29:45" (1/3) ... [2024-11-09 14:29:47,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebac5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:29:47, skipping insertion in model container [2024-11-09 14:29:47,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:29:46" (2/3) ... [2024-11-09 14:29:47,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebac5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:29:47, skipping insertion in model container [2024-11-09 14:29:47,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:29:47" (3/3) ... [2024-11-09 14:29:47,359 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2024-11-09 14:29:47,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:29:47,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 14:29:47,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:29:47,456 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;@40d906b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:29:47,457 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 14:29:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 14:29:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 14:29:47,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:29:47,469 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:29:47,470 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 14:29:47,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:29:47,477 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2024-11-09 14:29:47,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 14:29:47,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046626041] [2024-11-09 14:29:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:29:47,490 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 14:29:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 14:29:47,494 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 14:29:47,495 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 14:29:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:29:47,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 14:29:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 14:29:47,711 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 14:29:47,714 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 14:29:47,715 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 14:29:47,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 14:29:47,723 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 14:29:47,921 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 14:29:47,925 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 14:29:47,948 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:29:47,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:29:47 BoogieIcfgContainer [2024-11-09 14:29:47,953 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:29:47,956 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:29:47,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:29:47,956 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:29:47,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:29:47" (3/4) ... [2024-11-09 14:29:47,959 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 14:29:47,960 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:29:47,964 INFO L158 Benchmark]: Toolchain (without parser) took 2353.84ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 51.6MB in the beginning and 58.4MB in the end (delta: -6.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-09 14:29:47,965 INFO L158 Benchmark]: CDTParser took 2.22ms. Allocated memory is still 65.0MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:29:47,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1179.26ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 46.0MB in the end (delta: 5.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-09 14:29:47,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.48ms. Allocated memory is still 79.7MB. Free memory was 46.0MB in the beginning and 43.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:29:47,968 INFO L158 Benchmark]: Boogie Preprocessor took 63.32ms. Allocated memory is still 79.7MB. Free memory was 43.0MB in the beginning and 40.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:29:47,969 INFO L158 Benchmark]: RCFGBuilder took 428.43ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 40.1MB in the beginning and 76.6MB in the end (delta: -36.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-09 14:29:47,969 INFO L158 Benchmark]: TraceAbstraction took 601.61ms. Allocated memory is still 109.1MB. Free memory was 76.0MB in the beginning and 59.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 14:29:47,970 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 109.1MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:29:47,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22ms. Allocated memory is still 65.0MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1179.26ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 46.0MB in the end (delta: 5.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.48ms. Allocated memory is still 79.7MB. Free memory was 46.0MB in the beginning and 43.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.32ms. Allocated memory is still 79.7MB. Free memory was 43.0MB in the beginning and 40.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.43ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 40.1MB in the beginning and 76.6MB in the end (delta: -36.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * TraceAbstraction took 601.61ms. Allocated memory is still 109.1MB. Free memory was 76.0MB in the beginning and 59.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 109.1MB. Free memory is still 59.0MB. 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: 1572]: 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 1561. 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] int CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, 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 printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_22_bad() [L1552] int data; [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 [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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] CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, 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: 1572]: 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, 12 NumberOfCodeBlocks, 12 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 14:29:48,007 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