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/ddlm2013.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:20:24,913 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:20:24,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:20:24,933 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:20:24,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:20:24,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:20:24,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:20:24,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:20:24,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:20:24,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:20:24,945 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:20:24,993 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 [2018-12-03 20:20:25,014 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:20:25,014 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:20:25,015 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:20:25,015 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:20:25,015 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:20:25,015 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:20:25,015 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:20:25,019 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:20:25,019 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:20:25,019 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:20:25,019 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:20:25,019 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:20:25,020 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:20:25,020 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:20:25,021 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:20:25,021 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:20:25,022 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:20:25,022 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:20:25,022 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:20:25,022 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:20:25,024 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:20:25,024 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:20:25,024 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:20:25,024 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:20:25,024 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:20:25,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:20:25,025 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:20:25,025 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:20:25,025 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:20:25,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:20:25,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:20:25,026 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:20:25,026 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:20:25,026 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:20:25,027 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:20:25,027 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:20:25,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:20:25,027 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:20:25,027 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:20:25,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:20:25,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:20:25,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:20:25,081 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:20:25,081 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:20:25,082 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/ddlm2013.i_3.bpl [2018-12-03 20:20:25,082 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/ddlm2013.i_3.bpl' [2018-12-03 20:20:25,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:20:25,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:20:25,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:20:25,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:20:25,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:20:25,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:20:25,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:20:25,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:20:25,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:20:25,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:20:25,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:20:25,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:20:25,184 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:20:25,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:25" (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 [2018-12-03 20:20:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:20:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:20:25,422 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:20:25,422 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:20:25,423 INFO L202 PluginConnector]: Adding new model ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:20:25 BoogieIcfgContainer [2018-12-03 20:20:25,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:20:25,424 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:20:25,424 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:20:25,424 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:20:25,425 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:20:25" (1/1) ... [2018-12-03 20:20:25,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:20:25,668 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-12-03 20:20:26,696 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:20:26,720 INFO L272 AbstractInterpreter]: Visited 6 different actions 74 times. Merged at 4 different actions 54 times. Widened at 3 different actions 31 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-03 20:20:26,723 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:20:26,725 INFO L168 Benchmark]: Toolchain (without parser) took 1602.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. [2018-12-03 20:20:26,730 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. [2018-12-03 20:20:26,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.19 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. [2018-12-03 20:20:26,731 INFO L168 Benchmark]: Boogie Preprocessor took 22.01 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. [2018-12-03 20:20:26,732 INFO L168 Benchmark]: RCFGBuilder took 239.51 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. [2018-12-03 20:20:26,734 INFO L168 Benchmark]: Abstract Interpretation took 1299.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:20:26,741 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 0.22 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 37.19 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 22.01 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 239.51 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 1299.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 59]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] havoc main_#res; [L17] havoc main_#t~nondet0, main_#t~post2, main_#t~post3, main_#t~nondet1, main_~i~5, main_~j~5, main_~a~5, main_~b~5, main_~flag~5; [L18] havoc main_~i~5; [L19] havoc main_~j~5; [L20] havoc main_~a~5; [L21] havoc main_~b~5; [L22] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L23] main_~flag~5 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] main_~a~5 := 0; [L26] main_~b~5 := 0; [L27] main_~j~5 := 1; [L28] assume main_~flag~5 != 0; [L29] main_~i~5 := 0; [L33] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L38] assume !!(main_#t~nondet1 != 0); [L39] havoc main_#t~nondet1; [L40] main_#t~post2 := main_~a~5; [L41] main_~a~5 := main_#t~post2 + 1; [L42] havoc main_#t~post2; [L43] main_~b~5 := main_~b~5 + (main_~j~5 - main_~i~5); [L44] main_~i~5 := main_~i~5 + 2; [L45] assume (if main_~i~5 % 4294967296 < 0 && main_~i~5 % 4294967296 % 2 != 0 then main_~i~5 % 4294967296 % 2 - 2 else main_~i~5 % 4294967296 % 2) % 4294967296 == 0; [L46] main_~j~5 := main_~j~5 + 2; [L33] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L49] assume !(main_#t~nondet1 != 0); [L50] havoc main_#t~nondet1; [L51] assume main_~flag~5 != 0; [L52] __VERIFIER_assert_#in~cond := (if main_~a~5 % 4294967296 == main_~b~5 % 4294967296 then 1 else 0); [L53] havoc __VERIFIER_assert_~cond; [L54] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L55] assume __VERIFIER_assert_~cond == 0; [L56] assume !false; [L59] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...