./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_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_predec_10_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 0c9be5b80e9f9a69c42ab455431028e91950d3f95db3d9cc525f6c2a66a857d3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:17:40,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:17:40,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:17:40,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:17:40,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:17:40,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:17:40,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:17:40,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:17:40,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:17:40,836 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:17:40,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:17:40,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:17:40,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:17:40,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:17:40,839 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:17:40,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:17:40,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:17:40,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:17:40,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:17:40,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:17:40,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:17:40,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:17:40,841 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:17:40,841 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:17:40,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:17:40,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:17:40,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:17:40,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:17:40,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:17:40,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:17:40,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:17:40,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:17:40,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:17:40,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:17:40,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:17:40,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:17:40,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:17:40,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:17:40,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:17:40,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:17:40,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:17:40,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c9be5b80e9f9a69c42ab455431028e91950d3f95db3d9cc525f6c2a66a857d3 [2024-11-19 13:17:41,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:17:41,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:17:41,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:17:41,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:17:41,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:17:41,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i [2024-11-19 13:17:42,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:17:42,673 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:17:42,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i [2024-11-19 13:17:42,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7fdf8a62/167c0d873dd944eaa50886b17d2e2203/FLAG518e84c1e [2024-11-19 13:17:42,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7fdf8a62/167c0d873dd944eaa50886b17d2e2203 [2024-11-19 13:17:42,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:17:42,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:17:42,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:17:42,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:17:42,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:17:42,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:17:42" (1/1) ... [2024-11-19 13:17:42,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da82547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:42, skipping insertion in model container [2024-11-19 13:17:42,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:17:42" (1/1) ... [2024-11-19 13:17:43,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:17:43,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:17:43,614 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:17:43,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:17:43,804 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:17:43,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43 WrapperNode [2024-11-19 13:17:43,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:17:43,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:17:43,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:17:43,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:17:43,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,868 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-19 13:17:43,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:17:43,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:17:43,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:17:43,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:17:43,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,879 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,887 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:17:43,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:17:43,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:17:43,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:17:43,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:17:43,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (1/1) ... [2024-11-19 13:17:43,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:17:43,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:17:43,922 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 13:17:43,924 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 13:17:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:17:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:17:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:17:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:17:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:17:44,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:17:44,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:17:44,136 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-19 13:17:44,136 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:17:44,148 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:17:44,149 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:17:44,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:17:44 BoogieIcfgContainer [2024-11-19 13:17:44,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:17:44,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:17:44,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:17:44,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:17:44,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:17:42" (1/3) ... [2024-11-19 13:17:44,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646f825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:17:44, skipping insertion in model container [2024-11-19 13:17:44,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:43" (2/3) ... [2024-11-19 13:17:44,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646f825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:17:44, skipping insertion in model container [2024-11-19 13:17:44,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:17:44" (3/3) ... [2024-11-19 13:17:44,155 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_10_bad.i [2024-11-19 13:17:44,167 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:17:44,168 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:17:44,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:17:44,214 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;@5c3a95b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:17:44,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:17:44,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 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 13:17:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:17:44,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:17:44,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:17:44,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:17:44,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:17:44,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283690, now seen corresponding path program 1 times [2024-11-19 13:17:44,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:17:44,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067999566] [2024-11-19 13:17:44,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:17:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:17:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:17:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:17:44,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:17:44,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067999566] [2024-11-19 13:17:44,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067999566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:17:44,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:17:44,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:17:44,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846728867] [2024-11-19 13:17:44,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:17:44,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:17:44,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:17:44,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:17:44,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:17:44,504 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 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) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:17:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:17:44,531 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-11-19 13:17:44,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:17:44,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 13:17:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:17:44,541 INFO L225 Difference]: With dead ends: 37 [2024-11-19 13:17:44,541 INFO L226 Difference]: Without dead ends: 14 [2024-11-19 13:17:44,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:17:44,547 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:17:44,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:17:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-19 13:17:44,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-19 13:17:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:17:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-19 13:17:44,578 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2024-11-19 13:17:44,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:17:44,579 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-19 13:17:44,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:17:44,579 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-19 13:17:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:17:44,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:17:44,579 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:17:44,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:17:44,580 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:17:44,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:17:44,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-19 13:17:44,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:17:44,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554464115] [2024-11-19 13:17:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:17:44,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:17:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:17:44,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:17:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:17:44,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:17:44,651 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:17:44,652 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:17:44,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:17:44,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:17:44,659 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 13:17:44,680 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:17:44,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:17:44 BoogieIcfgContainer [2024-11-19 13:17:44,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:17:44,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:17:44,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:17:44,688 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:17:44,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:17:44" (3/4) ... [2024-11-19 13:17:44,691 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:17:44,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:17:44,693 INFO L158 Benchmark]: Toolchain (without parser) took 1733.99ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 92.1MB in the beginning and 108.6MB in the end (delta: -16.5MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-11-19 13:17:44,693 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:17:44,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.16ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 91.7MB in the beginning and 156.8MB in the end (delta: -65.1MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-19 13:17:44,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.95ms. Allocated memory is still 222.3MB. Free memory was 156.8MB in the beginning and 153.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:17:44,695 INFO L158 Benchmark]: Boogie Preprocessor took 26.00ms. Allocated memory is still 222.3MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:17:44,696 INFO L158 Benchmark]: RCFGBuilder took 253.89ms. Allocated memory is still 222.3MB. Free memory was 151.6MB in the beginning and 139.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:17:44,696 INFO L158 Benchmark]: TraceAbstraction took 535.83ms. Allocated memory is still 222.3MB. Free memory was 137.9MB in the beginning and 108.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-19 13:17:44,696 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 222.3MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:17:44,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.16ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 91.7MB in the beginning and 156.8MB in the end (delta: -65.1MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.95ms. Allocated memory is still 222.3MB. Free memory was 156.8MB in the beginning and 153.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.00ms. Allocated memory is still 222.3MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.89ms. Allocated memory is still 222.3MB. Free memory was 151.6MB in the beginning and 139.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 535.83ms. Allocated memory is still 222.3MB. Free memory was 137.9MB in the beginning and 108.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 222.3MB. Free memory is still 108.6MB. 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: 1559]: 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 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_10_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(globalTrue) [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 20 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:17:44,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_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 0c9be5b80e9f9a69c42ab455431028e91950d3f95db3d9cc525f6c2a66a857d3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:17:46,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:17:46,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:17:46,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:17:46,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:17:46,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:17:46,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:17:46,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:17:46,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:17:46,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:17:46,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:17:46,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:17:46,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:17:46,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:17:46,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:17:46,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:17:46,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:17:46,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:17:46,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:17:46,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:17:46,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:17:46,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:17:46,969 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:17:46,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:17:46,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:17:46,970 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:17:46,970 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:17:46,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:17:46,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:17:46,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:17:46,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:17:46,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:17:46,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:17:46,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:17:46,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:17:46,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:17:46,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:17:46,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:17:46,972 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:17:46,975 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:17:46,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:17:46,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:17:46,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:17:46,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:17:46,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c9be5b80e9f9a69c42ab455431028e91950d3f95db3d9cc525f6c2a66a857d3 [2024-11-19 13:17:47,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:17:47,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:17:47,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:17:47,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:17:47,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:17:47,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i [2024-11-19 13:17:48,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:17:48,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:17:48,809 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i [2024-11-19 13:17:48,828 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f7e54fc/685b0bd4559a4a9d897a4bcb0cb9362b/FLAG9b946f60b [2024-11-19 13:17:48,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f7e54fc/685b0bd4559a4a9d897a4bcb0cb9362b [2024-11-19 13:17:48,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:17:48,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:17:48,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:17:48,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:17:48,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:17:48,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:17:48" (1/1) ... [2024-11-19 13:17:48,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fa2256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:48, skipping insertion in model container [2024-11-19 13:17:48,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:17:48" (1/1) ... [2024-11-19 13:17:48,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:17:49,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:17:49,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:17:49,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:17:49,752 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:17:49,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49 WrapperNode [2024-11-19 13:17:49,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:17:49,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:17:49,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:17:49,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:17:49,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,808 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-19 13:17:49,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:17:49,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:17:49,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:17:49,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:17:49,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,827 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:17:49,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:17:49,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:17:49,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:17:49,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:17:49,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (1/1) ... [2024-11-19 13:17:49,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:17:49,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:17:49,873 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 13:17:49,875 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 13:17:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:17:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:17:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:17:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:17:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:17:50,026 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:17:50,028 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:17:50,139 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-19 13:17:50,139 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:17:50,150 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:17:50,150 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:17:50,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:17:50 BoogieIcfgContainer [2024-11-19 13:17:50,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:17:50,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:17:50,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:17:50,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:17:50,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:17:48" (1/3) ... [2024-11-19 13:17:50,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc40cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:17:50, skipping insertion in model container [2024-11-19 13:17:50,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:49" (2/3) ... [2024-11-19 13:17:50,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc40cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:17:50, skipping insertion in model container [2024-11-19 13:17:50,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:17:50" (3/3) ... [2024-11-19 13:17:50,157 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_10_bad.i [2024-11-19 13:17:50,172 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:17:50,181 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:17:50,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:17:50,231 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;@744c9ec8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:17:50,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:17:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 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 13:17:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:17:50,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:17:50,244 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:17:50,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:17:50,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:17:50,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283690, now seen corresponding path program 1 times [2024-11-19 13:17:50,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:17:50,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768717183] [2024-11-19 13:17:50,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:17:50,262 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 13:17:50,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:17:50,265 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 13:17:50,266 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 13:17:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:17:50,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 13:17:50,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:17:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:17:50,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:17:50,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 13:17:50,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768717183] [2024-11-19 13:17:50,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768717183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:17:50,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:17:50,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:17:50,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127346631] [2024-11-19 13:17:50,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:17:50,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:17:50,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 13:17:50,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:17:50,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:17:50,455 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 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) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:17:50,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:17:50,474 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2024-11-19 13:17:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:17:50,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 13:17:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:17:50,480 INFO L225 Difference]: With dead ends: 36 [2024-11-19 13:17:50,481 INFO L226 Difference]: Without dead ends: 12 [2024-11-19 13:17:50,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:17:50,486 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:17:50,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:17:50,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-19 13:17:50,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-19 13:17:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:17:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-19 13:17:50,513 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2024-11-19 13:17:50,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:17:50,514 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-19 13:17:50,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:17:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-19 13:17:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:17:50,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:17:50,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:17:50,518 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 13:17:50,715 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 13:17:50,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:17:50,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:17:50,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-19 13:17:50,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:17:50,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793714159] [2024-11-19 13:17:50,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:17:50,717 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 13:17:50,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:17:50,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:17:50,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-19 13:17:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:17:50,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:17:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:17:50,828 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:17:50,830 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:17:50,832 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:17:50,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:17:50,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-19 13:17:51,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:17:51,047 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 13:17:51,071 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:17:51,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:17:51 BoogieIcfgContainer [2024-11-19 13:17:51,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:17:51,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:17:51,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:17:51,074 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:17:51,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:17:50" (3/4) ... [2024-11-19 13:17:51,079 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:17:51,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:17:51,082 INFO L158 Benchmark]: Toolchain (without parser) took 2234.32ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 42.7MB in the beginning and 71.9MB in the end (delta: -29.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-19 13:17:51,083 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 23.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:17:51,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.03ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 42.5MB in the beginning and 55.3MB in the end (delta: -12.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-11-19 13:17:51,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.23ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 52.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:17:51,087 INFO L158 Benchmark]: Boogie Preprocessor took 33.97ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 49.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:17:51,087 INFO L158 Benchmark]: RCFGBuilder took 306.91ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 36.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:17:51,088 INFO L158 Benchmark]: TraceAbstraction took 921.51ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 35.7MB in the beginning and 72.6MB in the end (delta: -36.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-19 13:17:51,088 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 104.9MB. Free memory was 72.6MB in the beginning and 71.9MB in the end (delta: 639.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:17:51,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 23.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.03ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 42.5MB in the beginning and 55.3MB in the end (delta: -12.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.23ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 52.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.97ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 49.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.91ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 36.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 921.51ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 35.7MB in the beginning and 72.6MB in the end (delta: -36.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 104.9MB. Free memory was 72.6MB in the beginning and 71.9MB in the end (delta: 639.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: 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 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_10_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(globalTrue) [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 19 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:17:51,119 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