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_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:05,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:05,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:05,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 22:00:05,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 22:00:05,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 22:00:05,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 22:00:05,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 22:00:05,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 22:00:05,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 22:00:05,705 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 22:00:05,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-04 22:00:05,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:05,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:05,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:05,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:05,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:05,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:05,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:05,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:05,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-04 22:00:05,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:05,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:05,759 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:05,760 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:05,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:05,763 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:05,763 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:05,763 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:05,763 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:05,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:05,764 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:05,764 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:05,764 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:05,764 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:05,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:05,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:05,768 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:05,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:05,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:05,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:05,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:05,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:05,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:05,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:05,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:05,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:05,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:05,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:05,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:05,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:05,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:05,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:05,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:05,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:05,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:05,773 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:05,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:05,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:05,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:05,774 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:05,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:05,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:05,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:05,827 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:05,827 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:05,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl [2019-08-04 22:00:05,829 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl' [2019-08-04 22:00:05,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:05,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:05,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:05,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:05,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:05,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:05,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:05,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:05,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:05,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (1/1) ... [2019-08-04 22:00:05,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:05,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:05,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:05,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:05,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:05" (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 [2019-08-04 22:00:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:06,250 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:06,250 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 22:00:06,251 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:06 BoogieIcfgContainer [2019-08-04 22:00:06,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:06,252 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:06,253 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:06,253 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:06,254 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:06,421 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:06,444 INFO L272 AbstractInterpreter]: Visited 5 different actions 17 times. Merged at 3 different actions 9 times. Widened at 1 different actions 1 times. Performed 130 root evaluator evaluations with a maximum evaluation depth of 6. Performed 130 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-04 22:00:06,444 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:06,447 INFO L168 Benchmark]: Toolchain (without parser) took 580.66 ms. Allocated memory is still 141.0 MB. Free memory was 105.6 MB in the beginning and 85.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:06,449 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 22:00:06,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.57 ms. Allocated memory is still 141.0 MB. Free memory was 105.4 MB in the beginning and 103.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:06,451 INFO L168 Benchmark]: Boogie Preprocessor took 20.63 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 102.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:06,452 INFO L168 Benchmark]: RCFGBuilder took 329.54 ms. Allocated memory is still 141.0 MB. Free memory was 102.6 MB in the beginning and 93.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:06,454 INFO L168 Benchmark]: Abstract Interpretation took 191.84 ms. Allocated memory is still 141.0 MB. Free memory was 93.3 MB in the beginning and 85.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:06,458 INFO L335 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 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.57 ms. Allocated memory is still 141.0 MB. Free memory was 105.4 MB in the beginning and 103.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.63 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 102.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.54 ms. Allocated memory is still 141.0 MB. Free memory was 102.6 MB in the beginning and 93.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 191.84 ms. Allocated memory is still 141.0 MB. Free memory was 93.3 MB in the beginning and 85.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 45]: 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~nondet0, main_#t~post1, main_~n~5, main_~sum~5, main_~i~5; [L14] havoc main_~n~5; [L15] havoc main_~sum~5; [L16] havoc main_~i~5; [L17] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L18] main_~n~5 := main_#t~nondet0; [L19] havoc main_#t~nondet0; [L20] assume !!(1 <= main_~n~5 && main_~n~5 <= 1000); [L21] main_~sum~5 := 0; [L22] main_~i~5 := 1; [L30] assume !(main_~i~5 <= main_~n~5); [L31] __VERIFIER_assert_#in~cond := (if 2 * main_~sum~5 == main_~n~5 * (main_~n~5 + 1) then 1 else 0); [L32] havoc __VERIFIER_assert_~cond; [L33] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L34] assume __VERIFIER_assert_~cond == 0; [L35] assume !false; [L45] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...