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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 15:27:40,723 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 15:27:40,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 15:27:40,737 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 15:27:40,737 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 15:27:40,739 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 15:27:40,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 15:27:40,742 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 15:27:40,744 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 15:27:40,745 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 15:27:40,746 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-31 15:27:40,746 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-31 15:27:40,747 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-31 15:27:40,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-31 15:27:40,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-31 15:27:40,750 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-31 15:27:40,751 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-31 15:27:40,753 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-31 15:27:40,756 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-31 15:27:40,758 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-31 15:27:40,759 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-31 15:27:40,760 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-31 15:27:40,763 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-31 15:27:40,763 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-31 15:27:40,764 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-31 15:27:40,765 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-31 15:27:40,766 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-31 15:27:40,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-31 15:27:40,768 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-31 15:27:40,769 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-31 15:27:40,769 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-31 15:27:40,770 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-01-31 15:27:40,775 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2019-01-31 15:27:40,799 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 15:27:40,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 15:27:40,802 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 15:27:40,802 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 15:27:40,802 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 15:27:40,803 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 15:27:40,803 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 15:27:40,803 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 15:27:40,804 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-31 15:27:40,804 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 15:27:40,804 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-31 15:27:40,804 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-31 15:27:40,804 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 15:27:40,805 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 15:27:40,806 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 15:27:40,807 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 15:27:40,807 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 15:27:40,807 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 15:27:40,808 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 15:27:40,808 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 15:27:40,808 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 15:27:40,808 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 15:27:40,808 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 15:27:40,809 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 15:27:40,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 15:27:40,811 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 15:27:40,812 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 15:27:40,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 15:27:40,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 15:27:40,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 15:27:40,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 15:27:40,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:27:40,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 15:27:40,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 15:27:40,813 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 15:27:40,814 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 15:27:40,814 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 15:27:40,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 15:27:40,814 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 15:27:40,815 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 15:27:40,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 15:27:40,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 15:27:40,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 15:27:40,885 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 15:27:40,886 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 15:27:40,887 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl [2019-01-31 15:27:40,887 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl' [2019-01-31 15:27:40,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 15:27:40,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 15:27:40,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 15:27:40,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 15:27:40,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 15:27:40,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:40,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:40,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 15:27:40,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 15:27:40,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 15:27:40,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 15:27:40,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:40,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:40,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:40,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:41,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:41,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:41,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (1/1) ... [2019-01-31 15:27:41,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 15:27:41,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 15:27:41,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 15:27:41,007 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 15:27:41,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:27:40" (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 15:27:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-31 15:27:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-31 15:27:41,347 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-31 15:27:41,348 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-31 15:27:41,349 INFO L202 PluginConnector]: Adding new model n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:27:41 BoogieIcfgContainer [2019-01-31 15:27:41,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 15:27:41,350 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 15:27:41,350 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 15:27:41,351 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 15:27:41,352 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:27:41" (1/1) ... [2019-01-31 15:27:41,387 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 15:27:44,656 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 15:27:44,671 INFO L272 AbstractInterpreter]: Visited 5 different actions 17 times. Merged at 3 different actions 9 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-31 15:27:44,673 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-31 15:27:44,674 INFO L168 Benchmark]: Toolchain (without parser) took 3736.52 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 107.0 MB in the beginning and 174.8 MB in the end (delta: -67.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:27:44,676 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.82 ms. Allocated memory is still 139.5 MB. Free memory is still 107.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:27:44,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.11 ms. Allocated memory is still 139.5 MB. Free memory was 106.6 MB in the beginning and 104.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-01-31 15:27:44,678 INFO L168 Benchmark]: Boogie Preprocessor took 23.97 ms. Allocated memory is still 139.5 MB. Free memory was 104.9 MB in the beginning and 104.0 MB in the end (delta: 917.2 kB). Peak memory consumption was 917.2 kB. Max. memory is 7.1 GB. [2019-01-31 15:27:44,679 INFO L168 Benchmark]: RCFGBuilder took 343.03 ms. Allocated memory is still 139.5 MB. Free memory was 104.0 MB in the beginning and 94.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-01-31 15:27:44,680 INFO L168 Benchmark]: Abstract Interpretation took 3323.09 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 93.6 MB in the beginning and 174.8 MB in the end (delta: -81.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:27:44,684 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 0.82 ms. Allocated memory is still 139.5 MB. Free memory is still 107.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.11 ms. Allocated memory is still 139.5 MB. Free memory was 106.6 MB in the beginning and 104.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.97 ms. Allocated memory is still 139.5 MB. Free memory was 104.9 MB in the beginning and 104.0 MB in the end (delta: 917.2 kB). Peak memory consumption was 917.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 343.03 ms. Allocated memory is still 139.5 MB. Free memory was 104.0 MB in the beginning and 94.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3323.09 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 93.6 MB in the beginning and 174.8 MB in the end (delta: -81.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 42]: 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~post1, main_#t~nondet0, main_~a~5, main_~len~5, main_~i~5; [L14] havoc main_~a~5; [L15] main_~len~5 := 0; [L16] havoc main_~i~5; [L24] assume !(main_#t~nondet0 % 256 != 0); [L25] havoc main_#t~nondet0; [L26] __VERIFIER_assert_#in~cond := (if main_~len~5 % 4294967296 >= 0 && main_~len~5 % 4294967296 < 5 then 1 else 0); [L27] havoc __VERIFIER_assert_~cond; [L28] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L29] assume __VERIFIER_assert_~cond == 0; [L30] assume !false; [L42] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...