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/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:07,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:07,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:07,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:07,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:07,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:07,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:07,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:07,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:07,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:07,860 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:07,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:07,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:07,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:07,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:07,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:07,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:07,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:07,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:07,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:07,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:07,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:07,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:07,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:07,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:15:07,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:07,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:07,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:07,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:07,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:07,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:07,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:07,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:07,911 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 [2019-08-05 12:15:07,924 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:07,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:07,925 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:07,925 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:07,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:07,925 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:07,926 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:07,926 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:07,926 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:07,926 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:07,926 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:07,927 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:07,927 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:07,927 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:07,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:07,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:07,928 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:07,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:07,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:07,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:07,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:07,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:07,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:07,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:07,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:07,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:07,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:07,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:07,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:07,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:07,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:07,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:07,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:07,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:07,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:07,932 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:07,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:07,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:07,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:07,933 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:07,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:07,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:07,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:07,980 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:07,980 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:07,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2019-08-05 12:15:07,981 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2019-08-05 12:15:08,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:08,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:08,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:08,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:08,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:08,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:08,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:08,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:08,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:08,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:08,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:08,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:08,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:08,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:08" (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 [2019-08-05 12:15:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:08,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:08,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:08,485 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 12:15:08,487 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:08 BoogieIcfgContainer [2019-08-05 12:15:08,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:08,488 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:08,488 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:08,488 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:08,489 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:08" (1/1) ... [2019-08-05 12:15:08,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:08,761 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:08,786 INFO L272 AbstractInterpreter]: Visited 8 different actions 29 times. Merged at 6 different actions 15 times. Widened at 2 different actions 2 times. Performed 242 root evaluator evaluations with a maximum evaluation depth of 5. Performed 242 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-05 12:15:08,787 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:08,800 INFO L168 Benchmark]: Toolchain (without parser) took 772.96 ms. Allocated memory is still 142.1 MB. Free memory was 107.1 MB in the beginning and 84.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:08,802 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:08,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.00 ms. Allocated memory is still 142.1 MB. Free memory was 106.9 MB in the beginning and 105.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:08,804 INFO L168 Benchmark]: Boogie Preprocessor took 25.39 ms. Allocated memory is still 142.1 MB. Free memory was 105.3 MB in the beginning and 104.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:08,806 INFO L168 Benchmark]: RCFGBuilder took 400.49 ms. Allocated memory is still 142.1 MB. Free memory was 104.0 MB in the beginning and 93.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:08,807 INFO L168 Benchmark]: Abstract Interpretation took 299.18 ms. Allocated memory is still 142.1 MB. Free memory was 93.7 MB in the beginning and 84.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:08,813 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 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.00 ms. Allocated memory is still 142.1 MB. Free memory was 106.9 MB in the beginning and 105.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.39 ms. Allocated memory is still 142.1 MB. Free memory was 105.3 MB in the beginning and 104.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 400.49 ms. Allocated memory is still 142.1 MB. Free memory was 104.0 MB in the beginning and 93.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 299.18 ms. Allocated memory is still 142.1 MB. Free memory was 93.7 MB in the beginning and 84.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 80]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L21] havoc main_#res; [L22] havoc main_#t~nondet0, main_#t~nondet1, main_#t~post2, main_#t~post3, main_#t~post4, main_#t~post5, main_#t~post6, main_#t~post7, main_~n0~5, main_~n1~5, main_~i0~5, main_~k~5, main_~i1~5, main_~j1~5; [L23] havoc main_~n0~5; [L24] havoc main_~n1~5; [L25] main_~i0~5 := 0; [L26] main_~k~5 := 0; [L27] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L28] main_~n0~5 := main_#t~nondet0; [L29] havoc main_#t~nondet0; [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~n1~5 := main_#t~nondet1; [L32] havoc main_#t~nondet1; [L33] assume !!(-1000000 <= main_~n0~5 && main_~n0~5 < 1000000); [L34] assume !!(-1000000 <= main_~n1~5 && main_~n1~5 < 1000000); [L36] assume !(main_~i0~5 < main_~n0~5); [L37] main_~i1~5 := 0; [L45] assume !(main_~i1~5 < main_~n1~5); [L46] main_~j1~5 := 0; [L59] assume !!(main_~j1~5 < main_~n0~5 + main_~n1~5); [L60] __VERIFIER_assert_#in~cond := (if main_~k~5 > 0 then 1 else 0); [L61] havoc __VERIFIER_assert_~cond; [L62] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L67] assume __VERIFIER_assert_~cond == 0; [L68] assume !false; [L80] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...