java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4b9831f [2018-12-23 14:55:41,976 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-23 14:55:41,978 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-23 14:55:41,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-23 14:55:41,996 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-23 14:55:41,997 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-23 14:55:42,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-23 14:55:42,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-23 14:55:42,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-23 14:55:42,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-23 14:55:42,008 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-23 14:55:42,008 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-23 14:55:42,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-23 14:55:42,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-23 14:55:42,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-23 14:55:42,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-23 14:55:42,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-23 14:55:42,027 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-23 14:55:42,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-23 14:55:42,033 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-23 14:55:42,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-23 14:55:42,040 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-23 14:55:42,043 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-23 14:55:42,043 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-23 14:55:42,044 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-23 14:55:42,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-23 14:55:42,045 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-23 14:55:42,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-23 14:55:42,049 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-23 14:55:42,051 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-23 14:55:42,051 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-23 14:55:42,052 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-12-23 14:55:42,056 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_oct.epf [2018-12-23 14:55:42,074 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-23 14:55:42,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-23 14:55:42,077 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-23 14:55:42,079 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-23 14:55:42,079 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-23 14:55:42,079 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-23 14:55:42,080 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-23 14:55:42,080 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-23 14:55:42,080 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-23 14:55:42,080 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-23 14:55:42,080 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-12-23 14:55:42,081 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-23 14:55:42,081 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-23 14:55:42,082 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-23 14:55:42,082 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-23 14:55:42,082 INFO L133 SettingsManager]: * Use SBE=true [2018-12-23 14:55:42,084 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-23 14:55:42,084 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-23 14:55:42,084 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-23 14:55:42,085 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-23 14:55:42,085 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-23 14:55:42,085 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-23 14:55:42,085 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-23 14:55:42,085 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-23 14:55:42,086 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-23 14:55:42,086 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-23 14:55:42,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-23 14:55:42,087 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-23 14:55:42,087 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-23 14:55:42,087 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-23 14:55:42,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-23 14:55:42,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-23 14:55:42,088 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-23 14:55:42,088 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-23 14:55:42,088 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-23 14:55:42,088 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-23 14:55:42,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-23 14:55:42,089 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-23 14:55:42,089 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-23 14:55:42,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-23 14:55:42,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-23 14:55:42,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-23 14:55:42,169 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-23 14:55:42,170 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-23 14:55:42,170 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array2.i_3.bpl [2018-12-23 14:55:42,171 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array2.i_3.bpl' [2018-12-23 14:55:42,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-23 14:55:42,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-23 14:55:42,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-23 14:55:42,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-23 14:55:42,215 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-23 14:55:42,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-23 14:55:42,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-23 14:55:42,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-23 14:55:42,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-23 14:55:42,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-23 14:55:42,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-23 14:55:42,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-23 14:55:42,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-23 14:55:42,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:55:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-23 14:55:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-23 14:55:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-23 14:55:42,704 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-23 14:55:42,705 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-23 14:55:42,705 INFO L202 PluginConnector]: Adding new model array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:55:42 BoogieIcfgContainer [2018-12-23 14:55:42,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-23 14:55:42,706 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-23 14:55:42,706 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-23 14:55:42,707 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-23 14:55:42,707 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:55:42" (1/1) ... [2018-12-23 14:55:42,760 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-23 14:55:43,240 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-23 14:55:43,262 INFO L272 AbstractInterpreter]: Visited 5 different actions 19 times. Merged at 1 different actions 7 times. Widened at 1 different actions 3 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-23 14:55:43,265 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-23 14:55:43,266 INFO L168 Benchmark]: Toolchain (without parser) took 1053.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-23 14:55:43,269 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.63 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-23 14:55:43,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-23 14:55:43,271 INFO L168 Benchmark]: Boogie Preprocessor took 23.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-23 14:55:43,271 INFO L168 Benchmark]: RCFGBuilder took 426.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-23 14:55:43,273 INFO L168 Benchmark]: Abstract Interpretation took 559.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-12-23 14:55:43,277 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.63 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 426.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 559.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 42]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L12] havoc main_#res; [L13] havoc main_#t~post0, main_~A~4, main_~B~4, main_~i~4, main_~tmp~4; [L14] havoc main_~A~4; [L15] havoc main_~B~4; [L16] havoc main_~i~4; [L17] havoc main_~tmp~4; [L18] main_~i~4 := 0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L34] assume !!(main_~i~4 < 2048); [L35] main_~tmp~4 := main_~A~4[main_~i~4]; [L36] main_~B~4 := main_~B~4[main_~i~4 := main_~tmp~4]; [L37] main_#t~post0 := main_~i~4; [L38] main_~i~4 := main_#t~post0 + 1; [L39] havoc main_#t~post0; [L26] assume !(main_~i~4 < 2048); [L27] __VERIFIER_assert_#in~cond := (if main_~A~4[1024] != main_~B~4[1024] then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L29] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L30] assume __VERIFIER_assert_~cond == 0; [L31] assume !false; [L42] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...