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_compound_oct_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-824f902 [2018-12-19 12:43:18,199 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-19 12:43:18,201 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-19 12:43:18,213 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-19 12:43:18,213 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-19 12:43:18,214 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-19 12:43:18,216 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-19 12:43:18,218 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-19 12:43:18,219 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-19 12:43:18,220 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-19 12:43:18,221 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-19 12:43:18,222 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-19 12:43:18,223 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-19 12:43:18,224 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-19 12:43:18,225 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-19 12:43:18,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-19 12:43:18,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-19 12:43:18,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-19 12:43:18,231 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-19 12:43:18,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-19 12:43:18,236 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-19 12:43:18,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-19 12:43:18,246 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-19 12:43:18,260 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2018-12-19 12:43:18,284 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-19 12:43:18,284 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-19 12:43:18,285 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-19 12:43:18,286 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-19 12:43:18,286 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-19 12:43:18,286 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-19 12:43:18,286 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-19 12:43:18,286 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-19 12:43:18,287 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-19 12:43:18,287 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-19 12:43:18,287 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-19 12:43:18,287 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-19 12:43:18,288 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-19 12:43:18,289 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-19 12:43:18,289 INFO L133 SettingsManager]: * Use SBE=true [2018-12-19 12:43:18,289 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-19 12:43:18,289 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-19 12:43:18,290 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-19 12:43:18,290 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-19 12:43:18,290 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-19 12:43:18,290 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-19 12:43:18,290 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-19 12:43:18,292 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-19 12:43:18,292 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-19 12:43:18,293 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-19 12:43:18,293 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-19 12:43:18,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-19 12:43:18,293 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-19 12:43:18,293 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-19 12:43:18,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-19 12:43:18,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-19 12:43:18,294 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-19 12:43:18,294 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-19 12:43:18,294 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-19 12:43:18,295 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-19 12:43:18,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-19 12:43:18,295 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-19 12:43:18,296 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-19 12:43:18,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-19 12:43:18,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-19 12:43:18,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-19 12:43:18,370 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-19 12:43:18,371 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-19 12:43:18,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl [2018-12-19 12:43:18,373 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl' [2018-12-19 12:43:18,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-19 12:43:18,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-19 12:43:18,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-19 12:43:18,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-19 12:43:18,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-19 12:43:18,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,456 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-19 12:43:18,457 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-19 12:43:18,457 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-19 12:43:18,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-19 12:43:18,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-19 12:43:18,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-19 12:43:18,461 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-19 12:43:18,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-19 12:43:18,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-19 12:43:18,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-19 12:43:18,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-19 12:43:18,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 12:43:18" (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 [2018-12-19 12:43:18,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-12-19 12:43:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-19 12:43:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-19 12:43:18,841 INFO L272 CfgBuilder]: Using library mode [2018-12-19 12:43:18,842 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-19 12:43:18,842 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 12:43:18 BoogieIcfgContainer [2018-12-19 12:43:18,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-19 12:43:18,843 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-19 12:43:18,843 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-19 12:43:18,844 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-19 12:43:18,845 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 12:43:18" (1/1) ... [2018-12-19 12:43:18,950 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-19 12:43:19,613 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-19 12:43:19,636 INFO L272 AbstractInterpreter]: Visited 6 different actions 23 times. Merged at 5 different actions 16 times. Widened at 1 different actions 1 times. Performed 54 root evaluator evaluations with a maximum evaluation depth of 3. Performed 54 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-19 12:43:19,639 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-19 12:43:19,644 INFO L168 Benchmark]: Toolchain (without parser) took 1228.10 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-12-19 12:43:19,646 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-12-19 12:43:19,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.09 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. [2018-12-19 12:43:19,648 INFO L168 Benchmark]: Boogie Preprocessor took 25.89 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. [2018-12-19 12:43:19,650 INFO L168 Benchmark]: RCFGBuilder took 356.14 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. [2018-12-19 12:43:19,651 INFO L168 Benchmark]: Abstract Interpretation took 795.75 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2018-12-19 12:43:19,658 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 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 42.09 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 25.89 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 356.14 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 795.75 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: 21.2 MB). Peak memory consumption was 21.2 MB. 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 TRUE i < n [L30] a[i] := 0; [L31] i := i + 1; [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...