./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_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 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:19:20,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:19:20,162 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:19:20,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:19:20,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:19:20,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:19:20,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:19:20,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:19:20,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:19:20,200 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:19:20,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:19:20,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:19:20,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:19:20,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:19:20,202 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:19:20,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:19:20,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:19:20,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:19:20,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:19:20,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:19:20,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:19:20,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:19:20,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:19:20,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:19:20,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:19:20,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:19:20,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:19:20,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:19:20,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:19:20,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:19:20,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:19:20,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:19:20,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:19:20,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:19:20,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:19:20,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:19:20,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:19:20,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:19:20,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:19:20,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:19:20,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:19:20,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd [2024-11-19 13:19:20,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:19:20,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:19:20,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:19:20,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:19:20,486 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:19:20,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-19 13:19:22,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:19:22,364 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:19:22,365 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-19 13:19:22,400 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7eaacc16/f28c88bede274aaaa287d981bb0f136e/FLAGa90b868b9 [2024-11-19 13:19:22,581 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7eaacc16/f28c88bede274aaaa287d981bb0f136e [2024-11-19 13:19:22,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:19:22,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:19:22,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:19:22,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:19:22,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:19:22,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:22" (1/1) ... [2024-11-19 13:19:22,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3460efdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:22, skipping insertion in model container [2024-11-19 13:19:22,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:22" (1/1) ... [2024-11-19 13:19:22,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:19:23,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:19:23,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:19:23,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:19:23,592 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:19:23,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23 WrapperNode [2024-11-19 13:19:23,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:19:23,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:19:23,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:19:23,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:19:23,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,655 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 46 [2024-11-19 13:19:23,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:19:23,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:19:23,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:19:23,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:19:23,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,678 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:19:23,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:19:23,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:19:23,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:19:23,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:19:23,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (1/1) ... [2024-11-19 13:19:23,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:19:23,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:19:23,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:19:23,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:19:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:19:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:19:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:19:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:19:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:19:23,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:19:23,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:19:24,013 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-19 13:19:24,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:19:24,029 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:19:24,029 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:19:24,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:24 BoogieIcfgContainer [2024-11-19 13:19:24,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:19:24,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:19:24,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:19:24,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:19:24,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:19:22" (1/3) ... [2024-11-19 13:19:24,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59082be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:24, skipping insertion in model container [2024-11-19 13:19:24,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:23" (2/3) ... [2024-11-19 13:19:24,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59082be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:24, skipping insertion in model container [2024-11-19 13:19:24,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:24" (3/3) ... [2024-11-19 13:19:24,041 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-19 13:19:24,060 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:19:24,061 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:19:24,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:19:24,139 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;@2af24c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:19:24,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:19:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 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) [2024-11-19 13:19:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 13:19:24,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:19:24,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:19:24,153 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:19:24,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:19:24,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1409645953, now seen corresponding path program 1 times [2024-11-19 13:19:24,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:19:24,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312267368] [2024-11-19 13:19:24,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:19:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:19:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:19:24,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:19:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:19:24,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:19:24,381 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:19:24,382 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:19:24,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:19:24,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:19:24,389 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:19:24,416 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:19:24,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:19:24 BoogieIcfgContainer [2024-11-19 13:19:24,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:19:24,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:19:24,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:19:24,421 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:19:24,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:24" (3/4) ... [2024-11-19 13:19:24,424 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:19:24,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:19:24,426 INFO L158 Benchmark]: Toolchain (without parser) took 1841.90ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 58.1MB in the end (delta: 44.0MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-19 13:19:24,427 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 176.2MB. Free memory was 132.0MB in the beginning and 131.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:24,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.60ms. Allocated memory is still 176.2MB. Free memory was 101.8MB in the beginning and 93.0MB in the end (delta: 8.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-19 13:19:24,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.39ms. Allocated memory is still 176.2MB. Free memory was 93.0MB in the beginning and 90.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:19:24,429 INFO L158 Benchmark]: Boogie Preprocessor took 33.38ms. Allocated memory is still 176.2MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:19:24,430 INFO L158 Benchmark]: RCFGBuilder took 340.97ms. Allocated memory is still 176.2MB. Free memory was 88.1MB in the beginning and 75.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:19:24,431 INFO L158 Benchmark]: TraceAbstraction took 387.10ms. Allocated memory is still 176.2MB. Free memory was 74.9MB in the beginning and 58.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:19:24,432 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 176.2MB. Free memory was 58.8MB in the beginning and 58.1MB in the end (delta: 645.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:24,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 176.2MB. Free memory was 132.0MB in the beginning and 131.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.60ms. Allocated memory is still 176.2MB. Free memory was 101.8MB in the beginning and 93.0MB in the end (delta: 8.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.39ms. Allocated memory is still 176.2MB. Free memory was 93.0MB in the beginning and 90.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.38ms. Allocated memory is still 176.2MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.97ms. Allocated memory is still 176.2MB. Free memory was 88.1MB in the beginning and 75.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 387.10ms. Allocated memory is still 176.2MB. Free memory was 74.9MB in the beginning and 58.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 176.2MB. Free memory was 58.8MB in the beginning and 58.1MB in the end (delta: 645.4kB). 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: 1582]: 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 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_sub_54e_badSink(data) [L1582] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1582]: 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: 0.3s, 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=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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:19:24,470 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_min_sub_54_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 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:19:26,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:19:26,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:19:26,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:19:26,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:19:26,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:19:26,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:19:26,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:19:26,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:19:26,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:19:26,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:19:26,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:19:26,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:19:26,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:19:26,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:19:26,948 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:19:26,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:19:26,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:19:26,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:19:26,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:19:26,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:19:26,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:19:26,953 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:19:26,954 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:19:26,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:19:26,954 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:19:26,954 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:19:26,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:19:26,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:19:26,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:19:26,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:19:26,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:19:26,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:19:26,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:19:26,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:19:26,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:19:26,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:19:26,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:19:26,960 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:19:26,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:19:26,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:19:26,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:19:26,961 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:19:26,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:19:26,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd [2024-11-19 13:19:27,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:19:27,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:19:27,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:19:27,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:19:27,323 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:19:27,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-19 13:19:28,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:19:29,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:19:29,259 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-19 13:19:29,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4e8010d/6b92fbd09c4843a8a8dab7869d203025/FLAG5e5a7adc6 [2024-11-19 13:19:29,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4e8010d/6b92fbd09c4843a8a8dab7869d203025 [2024-11-19 13:19:29,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:19:29,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:19:29,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:19:29,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:19:29,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:19:29,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:29" (1/1) ... [2024-11-19 13:19:29,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6313683a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:29, skipping insertion in model container [2024-11-19 13:19:29,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:29" (1/1) ... [2024-11-19 13:19:29,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:19:30,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:19:30,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:19:30,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:19:30,658 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:19:30,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30 WrapperNode [2024-11-19 13:19:30,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:19:30,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:19:30,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:19:30,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:19:30,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,720 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 46 [2024-11-19 13:19:30,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:19:30,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:19:30,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:19:30,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:19:30,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,750 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:19:30,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:19:30,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:19:30,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:19:30,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:19:30,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (1/1) ... [2024-11-19 13:19:30,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:19:30,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:19:30,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:19:30,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:19:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:19:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:19:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:19:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:19:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:19:30,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:19:30,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:19:31,126 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-19 13:19:31,127 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:19:31,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:19:31,142 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:19:31,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:31 BoogieIcfgContainer [2024-11-19 13:19:31,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:19:31,145 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:19:31,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:19:31,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:19:31,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:19:29" (1/3) ... [2024-11-19 13:19:31,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c950a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:31, skipping insertion in model container [2024-11-19 13:19:31,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:30" (2/3) ... [2024-11-19 13:19:31,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c950a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:31, skipping insertion in model container [2024-11-19 13:19:31,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:31" (3/3) ... [2024-11-19 13:19:31,153 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-19 13:19:31,169 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:19:31,170 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:19:31,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:19:31,238 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;@b58e94d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:19:31,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:19:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 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) [2024-11-19 13:19:31,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 13:19:31,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:19:31,250 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:19:31,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:19:31,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:19:31,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1409645953, now seen corresponding path program 1 times [2024-11-19 13:19:31,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:19:31,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951849851] [2024-11-19 13:19:31,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:19:31,268 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:19:31,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:19:31,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:19:31,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 13:19:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:19:31,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:19:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:19:31,427 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:19:31,429 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:19:31,430 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:19:31,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:19:31,439 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 [2024-11-19 13:19:31,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:19:31,637 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:19:31,655 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:19:31,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:19:31 BoogieIcfgContainer [2024-11-19 13:19:31,659 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:19:31,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:19:31,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:19:31,661 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:19:31,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:31" (3/4) ... [2024-11-19 13:19:31,665 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:19:31,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:19:31,668 INFO L158 Benchmark]: Toolchain (without parser) took 2171.33ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 34.5MB in the beginning and 50.7MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:31,668 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:31,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1155.36ms. Allocated memory is still 71.3MB. Free memory was 34.1MB in the beginning and 26.2MB in the end (delta: 8.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-19 13:19:31,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 71.3MB. Free memory was 26.2MB in the beginning and 23.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:19:31,670 INFO L158 Benchmark]: Boogie Preprocessor took 48.63ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 23.0MB in the beginning and 55.7MB in the end (delta: -32.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-19 13:19:31,671 INFO L158 Benchmark]: RCFGBuilder took 373.30ms. Allocated memory is still 86.0MB. Free memory was 55.7MB in the beginning and 42.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:19:31,671 INFO L158 Benchmark]: TraceAbstraction took 513.88ms. Allocated memory is still 86.0MB. Free memory was 41.0MB in the beginning and 50.7MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:31,672 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 86.0MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:19:31,674 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1155.36ms. Allocated memory is still 71.3MB. Free memory was 34.1MB in the beginning and 26.2MB in the end (delta: 8.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 71.3MB. Free memory was 26.2MB in the beginning and 23.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.63ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 23.0MB in the beginning and 55.7MB in the end (delta: -32.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 373.30ms. Allocated memory is still 86.0MB. Free memory was 55.7MB in the beginning and 42.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 513.88ms. Allocated memory is still 86.0MB. Free memory was 41.0MB in the beginning and 50.7MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 86.0MB. Free memory is still 50.7MB. 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: 1582]: 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 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_sub_54e_badSink(data) [L1582] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1582]: 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: 0.4s, 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:19:31,715 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