java -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_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-15 11:40:33,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-15 11:40:33,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-15 11:40:33,341 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-15 11:40:33,341 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-15 11:40:33,342 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-15 11:40:33,344 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-15 11:40:33,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-15 11:40:33,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-15 11:40:33,348 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-15 11:40:33,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-15 11:40:33,375 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2019-02-15 11:40:33,389 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-15 11:40:33,389 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-15 11:40:33,390 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-15 11:40:33,390 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-15 11:40:33,390 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-15 11:40:33,390 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-15 11:40:33,391 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-15 11:40:33,391 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-15 11:40:33,391 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-15 11:40:33,391 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-15 11:40:33,391 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-15 11:40:33,392 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-15 11:40:33,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-15 11:40:33,392 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-15 11:40:33,393 INFO L133 SettingsManager]: * Use SBE=true [2019-02-15 11:40:33,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-15 11:40:33,393 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-15 11:40:33,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-15 11:40:33,393 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-15 11:40:33,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-15 11:40:33,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-15 11:40:33,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-15 11:40:33,394 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-15 11:40:33,394 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-15 11:40:33,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-15 11:40:33,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-15 11:40:33,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-15 11:40:33,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-15 11:40:33,395 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-15 11:40:33,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-15 11:40:33,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-15 11:40:33,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-15 11:40:33,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-15 11:40:33,396 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-15 11:40:33,397 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-15 11:40:33,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-15 11:40:33,397 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-15 11:40:33,397 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-15 11:40:33,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-15 11:40:33,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-15 11:40:33,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-15 11:40:33,453 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-15 11:40:33,454 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-15 11:40:33,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl [2019-02-15 11:40:33,456 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl' [2019-02-15 11:40:33,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-15 11:40:33,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-15 11:40:33,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-15 11:40:33,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-15 11:40:33,500 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-15 11:40:33,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-15 11:40:33,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-15 11:40:33,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-15 11:40:33,537 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-15 11:40:33,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:33,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-15 11:40:33,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-15 11:40:33,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-15 11:40:33,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-15 11:40:33,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:40:33" (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 [2019-02-15 11:40:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-15 11:40:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-15 11:40:33,970 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-15 11:40:33,971 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-02-15 11:40:33,972 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:40:33 BoogieIcfgContainer [2019-02-15 11:40:33,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-15 11:40:33,974 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-15 11:40:33,975 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-15 11:40:33,975 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-15 11:40:33,976 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:40:33" (1/1) ... [2019-02-15 11:40:34,045 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-15 11:40:34,180 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-02-15 11:40:42,539 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-15 11:40:42,555 INFO L272 AbstractInterpreter]: Visited 9 different actions 75 times. Merged at 3 different actions 33 times. Widened at 3 different actions 24 times. Found 36 fixpoints after 6 different actions. Largest state had 0 variables. [2019-02-15 11:40:42,557 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-15 11:40:42,558 INFO L168 Benchmark]: Toolchain (without parser) took 9060.52 ms. Allocated memory was 140.5 MB in the beginning and 543.7 MB in the end (delta: 403.2 MB). Free memory was 107.9 MB in the beginning and 506.3 MB in the end (delta: -398.4 MB). Peak memory consumption was 363.6 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:42,561 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-15 11:40:42,561 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.05 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 106.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:42,562 INFO L168 Benchmark]: Boogie Preprocessor took 21.51 ms. Allocated memory is still 140.5 MB. Free memory was 106.2 MB in the beginning and 105.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:42,563 INFO L168 Benchmark]: RCFGBuilder took 413.64 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 94.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:42,564 INFO L168 Benchmark]: Abstract Interpretation took 8583.14 ms. Allocated memory was 140.5 MB in the beginning and 543.7 MB in the end (delta: 403.2 MB). Free memory was 94.4 MB in the beginning and 506.3 MB in the end (delta: -411.9 MB). Peak memory consumption was 350.1 MB. Max. memory is 7.1 GB. [2019-02-15 11:40:42,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.05 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 106.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.51 ms. Allocated memory is still 140.5 MB. Free memory was 106.2 MB in the beginning and 105.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.64 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 94.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 8583.14 ms. Allocated memory was 140.5 MB in the beginning and 543.7 MB in the end (delta: 403.2 MB). Free memory was 94.4 MB in the beginning and 506.3 MB in the end (delta: -411.9 MB). Peak memory consumption was 350.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 91]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L19] havoc main_#res; [L20] havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~nondet4, main_#t~post3, main_#t~post5, main_#t~post6, main_~M~6, main_~A~6, main_~B~6, main_~C~6, main_~i~6; [L21] main_~M~6 := main_#t~nondet0; [L22] havoc main_#t~nondet0; [L23] havoc main_~A~6; [L24] havoc main_~B~6; [L25] havoc main_~C~6; [L26] havoc main_~i~6; [L27] main_~i~6 := 0; [L35] assume !(main_~i~6 % 4294967296 < main_~M~6 % 4294967296); [L36] main_~i~6 := 0; [L54] assume !(main_~i~6 % 4294967296 < main_~M~6 % 4294967296); [L55] main_~i~6 := 0; [L73] assume !(main_~i~6 % 4294967296 < main_~M~6 % 4294967296); [L74] main_~i~6 := 0; [L76] assume !!(main_~i~6 % 4294967296 < main_~M~6 % 4294967296); [L77] __VERIFIER_assert_#in~cond := (if main_~C~6[main_~i~6 % 4294967296] == main_~A~6[main_~i~6 % 4294967296] + main_~B~6[main_~i~6 % 4294967296] then 1 else 0); [L78] havoc __VERIFIER_assert_~cond; [L79] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L80] assume __VERIFIER_assert_~cond == 0; [L81] assume !false; [L91] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...