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_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 15:26:26,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 15:26:26,409 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 15:26:26,421 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-31 15:26:26,463 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-01-31 15:26:26,489 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 15:26:26,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 15:26:26,490 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 15:26:26,490 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 15:26:26,491 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 15:26:26,491 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 15:26:26,491 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 15:26:26,491 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 15:26:26,491 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-31 15:26:26,492 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 15:26:26,492 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-31 15:26:26,492 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-31 15:26:26,492 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 15:26:26,492 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 15:26:26,493 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 15:26:26,494 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 15:26:26,494 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 15:26:26,494 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 15:26:26,494 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 15:26:26,494 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 15:26:26,495 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 15:26:26,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 15:26:26,495 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 15:26:26,495 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 15:26:26,495 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 15:26:26,495 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 15:26:26,498 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 15:26:26,499 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 15:26:26,499 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 15:26:26,499 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 15:26:26,499 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 15:26:26,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:26:26,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 15:26:26,500 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 15:26:26,500 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 15:26:26,500 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 15:26:26,500 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 15:26:26,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 15:26:26,501 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 15:26:26,501 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 15:26:26,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 15:26:26,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 15:26:26,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 15:26:26,566 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 15:26:26,567 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 15:26:26,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl [2019-01-31 15:26:26,568 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl' [2019-01-31 15:26:26,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 15:26:26,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 15:26:26,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 15:26:26,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 15:26:26,617 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 15:26:26,633 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,644 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 15:26:26,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 15:26:26,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 15:26:26,653 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 15:26:26,664 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,664 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,665 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,666 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,670 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,672 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,674 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 31.01 03:26:26" (1/1) ... [2019-01-31 15:26:26,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 15:26:26,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 15:26:26,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 15:26:26,676 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 15:26:26,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:26" (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:8092 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:26:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-31 15:26:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-31 15:26:27,327 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-31 15:26:27,327 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-31 15:26:27,328 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:26:27 BoogieIcfgContainer [2019-01-31 15:26:27,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 15:26:27,329 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 15:26:27,329 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 15:26:27,329 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 15:26:27,330 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 31.01 03:26:27" (1/1) ... [2019-01-31 15:26:27,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 15:26:27,736 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 15:26:27,757 INFO L272 AbstractInterpreter]: Visited 9 different actions 25 times. Merged at 3 different actions 8 times. Never widened. Performed 314 root evaluator evaluations with a maximum evaluation depth of 5. Performed 314 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 11 fixpoints after 6 different actions. Largest state had 0 variables. [2019-01-31 15:26:27,759 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-31 15:26:27,761 INFO L168 Benchmark]: Toolchain (without parser) took 1145.86 ms. Allocated memory is still 134.7 MB. Free memory was 109.6 MB in the beginning and 77.5 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:27,763 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 134.7 MB. Free memory is still 111.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:26:27,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.56 ms. Allocated memory is still 134.7 MB. Free memory was 109.6 MB in the beginning and 107.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:27,765 INFO L168 Benchmark]: Boogie Preprocessor took 23.10 ms. Allocated memory is still 134.7 MB. Free memory was 107.9 MB in the beginning and 106.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:27,766 INFO L168 Benchmark]: RCFGBuilder took 652.55 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 93.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:27,768 INFO L168 Benchmark]: Abstract Interpretation took 430.32 ms. Allocated memory is still 134.7 MB. Free memory was 93.2 MB in the beginning and 77.5 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:27,773 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 0.17 ms. Allocated memory is still 134.7 MB. Free memory is still 111.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.56 ms. Allocated memory is still 134.7 MB. Free memory was 109.6 MB in the beginning and 107.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.10 ms. Allocated memory is still 134.7 MB. Free memory was 107.9 MB in the beginning and 106.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 652.55 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 93.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 430.32 ms. Allocated memory is still 134.7 MB. Free memory was 93.2 MB in the beginning and 77.5 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 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...