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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0302a3f [2019-02-27 13:42:46,842 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-27 13:42:46,845 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-27 13:42:46,862 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-27 13:42:46,862 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-27 13:42:46,863 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-27 13:42:46,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-27 13:42:46,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-27 13:42:46,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-27 13:42:46,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-27 13:42:46,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-27 13:42:46,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-27 13:42:46,882 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-27 13:42:46,887 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-27 13:42:46,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-27 13:42:46,889 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-27 13:42:46,890 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-27 13:42:46,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-27 13:42:46,902 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-27 13:42:46,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-27 13:42:46,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-27 13:42:46,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-27 13:42:46,908 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-02-27 13:42:46,916 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2019-02-27 13:42:46,929 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-27 13:42:46,929 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-27 13:42:46,930 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-27 13:42:46,930 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-27 13:42:46,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-27 13:42:46,930 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-27 13:42:46,931 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-27 13:42:46,931 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-27 13:42:46,931 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-27 13:42:46,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-27 13:42:46,931 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-27 13:42:46,932 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-27 13:42:46,932 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-27 13:42:46,932 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-27 13:42:46,933 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-27 13:42:46,933 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-27 13:42:46,933 INFO L133 SettingsManager]: * Use SBE=true [2019-02-27 13:42:46,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-27 13:42:46,934 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-27 13:42:46,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-27 13:42:46,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-27 13:42:46,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-27 13:42:46,935 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-27 13:42:46,935 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-27 13:42:46,935 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-27 13:42:46,935 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-27 13:42:46,935 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-27 13:42:46,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-27 13:42:46,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-27 13:42:46,936 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-27 13:42:46,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-27 13:42:46,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-27 13:42:46,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-27 13:42:46,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-27 13:42:46,937 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-27 13:42:46,937 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-27 13:42:46,937 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-27 13:42:46,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-27 13:42:46,938 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-27 13:42:46,938 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-27 13:42:46,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-27 13:42:46,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-27 13:42:46,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-27 13:42:46,996 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-27 13:42:46,997 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-27 13:42:46,998 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl [2019-02-27 13:42:46,998 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl' [2019-02-27 13:42:47,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-27 13:42:47,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-27 13:42:47,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-27 13:42:47,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-27 13:42:47,040 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-27 13:42:47,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,074 WARN L165 Inliner]: Program contained no entry procedure! [2019-02-27 13:42:47,074 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-02-27 13:42:47,075 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-02-27 13:42:47,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-27 13:42:47,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-27 13:42:47,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-27 13:42:47,078 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-27 13:42:47,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-27 13:42:47,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-27 13:42:47,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-27 13:42:47,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-27 13:42:47,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:47" (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 [2019-02-27 13:42:47,165 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-02-27 13:42:47,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-02-27 13:42:47,166 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-02-27 13:42:47,517 INFO L278 CfgBuilder]: Using library mode [2019-02-27 13:42:47,517 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-02-27 13:42:47,519 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.02 01:42:47 BoogieIcfgContainer [2019-02-27 13:42:47,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-27 13:42:47,520 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-27 13:42:47,520 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-27 13:42:47,521 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-27 13:42:47,522 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.02 01:42:47" (1/1) ... [2019-02-27 13:42:47,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-27 13:42:51,195 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-27 13:42:51,211 INFO L272 AbstractInterpreter]: Visited 6 different actions 16 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-27 13:42:51,213 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-27 13:42:51,216 INFO L168 Benchmark]: Toolchain (without parser) took 4177.54 ms. Allocated memory was 133.7 MB in the beginning and 196.6 MB in the end (delta: 62.9 MB). Free memory was 106.6 MB in the beginning and 159.3 MB in the end (delta: -52.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-02-27 13:42:51,218 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-27 13:42:51,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 104.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-02-27 13:42:51,220 INFO L168 Benchmark]: Boogie Preprocessor took 22.45 ms. Allocated memory is still 133.7 MB. Free memory was 104.6 MB in the beginning and 103.6 MB in the end (delta: 970.1 kB). Peak memory consumption was 970.1 kB. Max. memory is 7.1 GB. [2019-02-27 13:42:51,221 INFO L168 Benchmark]: RCFGBuilder took 418.71 ms. Allocated memory is still 133.7 MB. Free memory was 103.4 MB in the beginning and 93.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-02-27 13:42:51,222 INFO L168 Benchmark]: Abstract Interpretation took 3693.48 ms. Allocated memory was 133.7 MB in the beginning and 196.6 MB in the end (delta: 62.9 MB). Free memory was 93.4 MB in the beginning and 159.3 MB in the end (delta: -65.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-02-27 13:42:51,227 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 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 104.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.45 ms. Allocated memory is still 133.7 MB. Free memory was 104.6 MB in the beginning and 103.6 MB in the end (delta: 970.1 kB). Peak memory consumption was 970.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 418.71 ms. Allocated memory is still 133.7 MB. Free memory was 103.4 MB in the beginning and 93.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3693.48 ms. Allocated memory was 133.7 MB in the beginning and 196.6 MB in the end (delta: 62.9 MB). Free memory was 93.4 MB in the beginning and 159.3 MB in the end (delta: -65.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L26] i := 0; [L27] assume j == i; [L29] COND FALSE !(i < n) [L33] assume 0 <= r && r < n; [L34] assert a[r] == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...