./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_31_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 0530b81d5afb9f683d7df7a7eb9e7a6dc21809a1a22058efdfa5c9666b435025 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:01:07,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:01:07,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 22:01:07,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:01:07,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:01:07,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:01:07,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:01:07,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:01:07,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:01:07,835 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:01:07,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:01:07,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:01:07,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:01:07,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:01:07,838 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:01:07,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:01:07,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:01:07,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 22:01:07,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:01:07,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:01:07,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:01:07,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:01:07,843 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:01:07,843 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:01:07,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:01:07,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:01:07,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:01:07,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:01:07,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:01:07,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:01:07,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:01:07,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:01:07,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:01:07,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:01:07,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:01:07,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 22:01:07,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 22:01:07,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:01:07,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:01:07,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:01:07,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:01:07,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0530b81d5afb9f683d7df7a7eb9e7a6dc21809a1a22058efdfa5c9666b435025 [2024-10-24 22:01:08,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:01:08,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:01:08,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:01:08,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:01:08,195 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:01:08,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_31_bad.i [2024-10-24 22:01:09,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:01:10,004 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:01:10,006 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_31_bad.i [2024-10-24 22:01:10,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7998ff0ad/4b0948587907455a8d059da97a62fdae/FLAGa8e59ca51 [2024-10-24 22:01:10,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7998ff0ad/4b0948587907455a8d059da97a62fdae [2024-10-24 22:01:10,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:01:10,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:01:10,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:01:10,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:01:10,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:01:10,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:10" (1/1) ... [2024-10-24 22:01:10,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b2c483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:10, skipping insertion in model container [2024-10-24 22:01:10,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:10" (1/1) ... [2024-10-24 22:01:10,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:01:10,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:01:10,994 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:01:11,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:01:11,195 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:01:11,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11 WrapperNode [2024-10-24 22:01:11,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:01:11,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:01:11,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:01:11,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:01:11,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,256 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-10-24 22:01:11,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:01:11,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:01:11,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:01:11,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:01:11,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,280 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:01:11,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:01:11,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:01:11,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:01:11,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:01:11,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (1/1) ... [2024-10-24 22:01:11,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:01:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:01:11,326 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) [2024-10-24 22:01:11,328 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 [2024-10-24 22:01:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:01:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:01:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:01:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:01:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:01:11,533 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:01:11,535 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:01:11,647 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-24 22:01:11,647 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:01:11,679 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:01:11,679 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:01:11,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:11 BoogieIcfgContainer [2024-10-24 22:01:11,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:01:11,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:01:11,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:01:11,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:01:11,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:01:10" (1/3) ... [2024-10-24 22:01:11,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cc3e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:01:11, skipping insertion in model container [2024-10-24 22:01:11,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:11" (2/3) ... [2024-10-24 22:01:11,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cc3e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:01:11, skipping insertion in model container [2024-10-24 22:01:11,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:11" (3/3) ... [2024-10-24 22:01:11,688 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_31_bad.i [2024-10-24 22:01:11,703 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:01:11,704 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:01:11,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:01:11,756 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;@1bbc1c18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:01:11,757 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:01:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-24 22:01:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 22:01:11,767 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:01:11,768 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:01:11,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:01:11,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:01:11,774 INFO L85 PathProgramCache]: Analyzing trace with hash 540512693, now seen corresponding path program 1 times [2024-10-24 22:01:11,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:01:11,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864250896] [2024-10-24 22:01:11,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:01:11,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:01:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:01:12,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:01:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:01:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:01:12,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:01:12,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864250896] [2024-10-24 22:01:12,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864250896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:01:12,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:01:12,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:01:12,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076392978] [2024-10-24 22:01:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:01:12,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:01:12,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:01:12,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:01:12,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:01:12,121 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 22:01:12,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:01:12,154 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-10-24 22:01:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:01:12,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2024-10-24 22:01:12,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:01:12,164 INFO L225 Difference]: With dead ends: 18 [2024-10-24 22:01:12,165 INFO L226 Difference]: Without dead ends: 10 [2024-10-24 22:01:12,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:01:12,174 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:01:12,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:01:12,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-24 22:01:12,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-24 22:01:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2024-10-24 22:01:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-10-24 22:01:12,206 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2024-10-24 22:01:12,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:01:12,207 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-10-24 22:01:12,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 22:01:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-10-24 22:01:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 22:01:12,207 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:01:12,208 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:01:12,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 22:01:12,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:01:12,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:01:12,209 INFO L85 PathProgramCache]: Analyzing trace with hash -423975655, now seen corresponding path program 1 times [2024-10-24 22:01:12,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:01:12,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296538987] [2024-10-24 22:01:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:01:12,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:01:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:01:12,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:01:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:01:12,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 22:01:12,266 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:01:12,268 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:01:12,270 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:01:12,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 22:01:12,275 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 22:01:12,297 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:01:12,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:01:12 BoogieIcfgContainer [2024-10-24 22:01:12,300 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:01:12,301 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:01:12,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:01:12,301 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:01:12,302 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:11" (3/4) ... [2024-10-24 22:01:12,304 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:01:12,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:01:12,307 INFO L158 Benchmark]: Toolchain (without parser) took 2250.86ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 107.5MB in the beginning and 101.7MB in the end (delta: 5.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-10-24 22:01:12,307 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:01:12,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1138.54ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 105.6MB in the end (delta: 1.9MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-10-24 22:01:12,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.53ms. Allocated memory is still 146.8MB. Free memory was 105.6MB in the beginning and 102.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:01:12,309 INFO L158 Benchmark]: Boogie Preprocessor took 33.51ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:01:12,310 INFO L158 Benchmark]: RCFGBuilder took 388.69ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 100.2MB in the beginning and 133.1MB in the end (delta: -32.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-24 22:01:12,310 INFO L158 Benchmark]: TraceAbstraction took 619.03ms. Allocated memory is still 176.2MB. Free memory was 133.1MB in the beginning and 102.8MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-24 22:01:12,311 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 101.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:01:12,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1138.54ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 105.6MB in the end (delta: 1.9MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.53ms. Allocated memory is still 146.8MB. Free memory was 105.6MB in the beginning and 102.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.51ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.69ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 100.2MB in the beginning and 133.1MB in the end (delta: -32.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * TraceAbstraction took 619.03ms. Allocated memory is still 176.2MB. Free memory was 133.1MB in the beginning and 102.8MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 101.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_max_preinc_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = 0x7fffffff [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] ++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: 1557]: 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, 14 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, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2024-10-24 22:01:12,347 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_31_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 0530b81d5afb9f683d7df7a7eb9e7a6dc21809a1a22058efdfa5c9666b435025 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:01:14,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:01:14,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 22:01:14,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:01:14,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:01:14,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 22:01:14,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:01:14,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:01:14,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:01:14,852 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:01:14,852 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:01:14,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:01:14,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:01:14,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:01:14,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:01:14,854 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:01:14,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:01:14,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:01:14,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:01:14,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:01:14,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:01:14,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:01:14,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 22:01:14,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 22:01:14,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:01:14,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:01:14,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 22:01:14,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:01:14,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:01:14,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:01:14,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:01:14,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:01:14,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:01:14,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:01:14,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:01:14,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:01:14,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:01:14,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:01:14,869 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 22:01:14,869 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 22:01:14,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:01:14,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:01:14,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:01:14,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:01:14,870 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 22:01:14,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0530b81d5afb9f683d7df7a7eb9e7a6dc21809a1a22058efdfa5c9666b435025 [2024-10-24 22:01:15,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:01:15,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:01:15,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:01:15,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:01:15,235 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:01:15,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_31_bad.i [2024-10-24 22:01:16,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:01:17,194 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:01:17,196 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_31_bad.i [2024-10-24 22:01:17,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e6fd71f/94be8d0c6462485e98824bd7d7cfb369/FLAGbbd5cf75c [2024-10-24 22:01:17,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e6fd71f/94be8d0c6462485e98824bd7d7cfb369 [2024-10-24 22:01:17,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:01:17,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:01:17,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:01:17,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:01:17,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:01:17,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:17" (1/1) ... [2024-10-24 22:01:17,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58bd7e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:17, skipping insertion in model container [2024-10-24 22:01:17,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:17" (1/1) ... [2024-10-24 22:01:17,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:01:18,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:01:18,198 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:01:18,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:01:18,475 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:01:18,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18 WrapperNode [2024-10-24 22:01:18,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:01:18,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:01:18,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:01:18,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:01:18,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,550 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-10-24 22:01:18,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:01:18,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:01:18,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:01:18,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:01:18,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,582 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:01:18,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:01:18,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:01:18,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:01:18,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:01:18,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (1/1) ... [2024-10-24 22:01:18,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:01:18,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:01:18,645 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) [2024-10-24 22:01:18,647 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 [2024-10-24 22:01:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:01:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:01:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:01:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:01:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:01:18,840 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:01:18,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:01:18,958 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 22:01:18,958 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:01:19,006 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:01:19,007 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:01:19,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:19 BoogieIcfgContainer [2024-10-24 22:01:19,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:01:19,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:01:19,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:01:19,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:01:19,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:01:17" (1/3) ... [2024-10-24 22:01:19,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9585a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:01:19, skipping insertion in model container [2024-10-24 22:01:19,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:18" (2/3) ... [2024-10-24 22:01:19,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9585a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:01:19, skipping insertion in model container [2024-10-24 22:01:19,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:19" (3/3) ... [2024-10-24 22:01:19,018 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_31_bad.i [2024-10-24 22:01:19,039 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:01:19,039 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:01:19,101 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:01:19,109 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;@7f2c6e88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:01:19,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:01:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-24 22:01:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 22:01:19,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:01:19,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:01:19,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:01:19,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:01:19,134 INFO L85 PathProgramCache]: Analyzing trace with hash 540512693, now seen corresponding path program 1 times [2024-10-24 22:01:19,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:01:19,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608468677] [2024-10-24 22:01:19,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:01:19,148 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 [2024-10-24 22:01:19,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:01:19,151 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) [2024-10-24 22:01:19,153 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 [2024-10-24 22:01:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:01:19,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 22:01:19,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:01:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:01:19,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:01:19,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 22:01:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608468677] [2024-10-24 22:01:19,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608468677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:01:19,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:01:19,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 22:01:19,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378020665] [2024-10-24 22:01:19,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:01:19,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 22:01:19,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 22:01:19,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 22:01:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 22:01:19,342 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-24 22:01:19,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:01:19,375 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-10-24 22:01:19,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 22:01:19,377 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 8 [2024-10-24 22:01:19,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:01:19,383 INFO L225 Difference]: With dead ends: 14 [2024-10-24 22:01:19,383 INFO L226 Difference]: Without dead ends: 10 [2024-10-24 22:01:19,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 22:01:19,391 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:01:19,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:01:19,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-24 22:01:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-24 22:01:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2024-10-24 22:01:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-10-24 22:01:19,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2024-10-24 22:01:19,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:01:19,426 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-10-24 22:01:19,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-24 22:01:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-10-24 22:01:19,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 22:01:19,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:01:19,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:01:19,433 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 [2024-10-24 22:01:19,628 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 [2024-10-24 22:01:19,629 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:01:19,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:01:19,630 INFO L85 PathProgramCache]: Analyzing trace with hash -423975655, now seen corresponding path program 1 times [2024-10-24 22:01:19,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:01:19,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882470450] [2024-10-24 22:01:19,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:01:19,631 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 [2024-10-24 22:01:19,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:01:19,651 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) [2024-10-24 22:01:19,652 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 [2024-10-24 22:01:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:01:19,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:01:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:01:19,750 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 22:01:19,750 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:01:19,751 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:01:19,753 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:01:19,767 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 (3)] Forceful destruction successful, exit code 0 [2024-10-24 22:01:19,957 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 [2024-10-24 22:01:19,961 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 22:01:19,982 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:01:19,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:01:19 BoogieIcfgContainer [2024-10-24 22:01:19,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:01:19,987 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:01:19,987 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:01:19,987 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:01:19,988 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:19" (3/4) ... [2024-10-24 22:01:19,992 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:01:19,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:01:19,995 INFO L158 Benchmark]: Toolchain (without parser) took 2607.19ms. Allocated memory was 54.5MB in the beginning and 86.0MB in the end (delta: 31.5MB). Free memory was 32.4MB in the beginning and 41.8MB in the end (delta: -9.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-10-24 22:01:19,995 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 44.0MB. Free memory was 27.2MB in the beginning and 27.2MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:01:19,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.98ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.2MB in the beginning and 34.3MB in the end (delta: -2.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-10-24 22:01:19,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.21ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 31.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:01:19,997 INFO L158 Benchmark]: Boogie Preprocessor took 54.18ms. Allocated memory is still 67.1MB. Free memory was 31.2MB in the beginning and 28.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:01:19,997 INFO L158 Benchmark]: RCFGBuilder took 401.57ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 28.8MB in the beginning and 47.8MB in the end (delta: -19.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-24 22:01:19,998 INFO L158 Benchmark]: TraceAbstraction took 976.03ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 42.3MB in the end (delta: 4.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-10-24 22:01:19,998 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 86.0MB. Free memory was 42.3MB in the beginning and 41.8MB in the end (delta: 479.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:01:20,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 44.0MB. Free memory was 27.2MB in the beginning and 27.2MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.98ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.2MB in the beginning and 34.3MB in the end (delta: -2.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.21ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 31.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.18ms. Allocated memory is still 67.1MB. Free memory was 31.2MB in the beginning and 28.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.57ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 28.8MB in the beginning and 47.8MB in the end (delta: -19.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 976.03ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 42.3MB in the end (delta: 4.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 86.0MB. Free memory was 42.3MB in the beginning and 41.8MB in the end (delta: 479.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_max_preinc_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = 0x7fffffff [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] ++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: 1557]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 1 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 [2024-10-24 22:01:20,045 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample