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/matrix.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e4dfe74 [2018-12-18 18:22:28,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-18 18:22:28,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-18 18:22:28,672 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-18 18:22:28,672 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-18 18:22:28,673 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-18 18:22:28,677 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-18 18:22:28,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-18 18:22:28,682 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-18 18:22:28,683 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-18 18:22:28,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-18 18:22:28,686 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-18 18:22:28,687 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-18 18:22:28,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-18 18:22:28,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-18 18:22:28,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-18 18:22:28,698 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-18 18:22:28,702 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-18 18:22:28,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-18 18:22:28,714 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-18 18:22:28,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-18 18:22:28,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-18 18:22:28,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-18 18:22:28,738 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 [2018-12-18 18:22:28,763 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-18 18:22:28,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-18 18:22:28,764 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-18 18:22:28,764 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-18 18:22:28,764 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-18 18:22:28,765 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-18 18:22:28,765 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-18 18:22:28,765 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-18 18:22:28,765 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-18 18:22:28,765 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-18 18:22:28,766 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-18 18:22:28,766 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-18 18:22:28,766 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-18 18:22:28,767 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-18 18:22:28,767 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-18 18:22:28,767 INFO L133 SettingsManager]: * Use SBE=true [2018-12-18 18:22:28,770 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-18 18:22:28,770 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-18 18:22:28,770 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-18 18:22:28,770 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-18 18:22:28,770 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-18 18:22:28,770 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-18 18:22:28,772 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-18 18:22:28,772 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-18 18:22:28,772 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-18 18:22:28,773 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-18 18:22:28,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-18 18:22:28,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-18 18:22:28,773 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-18 18:22:28,773 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-18 18:22:28,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-18 18:22:28,775 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-18 18:22:28,775 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-18 18:22:28,775 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-18 18:22:28,775 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-18 18:22:28,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-18 18:22:28,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-18 18:22:28,776 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-18 18:22:28,776 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-18 18:22:28,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-18 18:22:28,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-18 18:22:28,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-18 18:22:28,864 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-18 18:22:28,864 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-18 18:22:28,865 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl [2018-12-18 18:22:28,866 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl' [2018-12-18 18:22:28,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-18 18:22:28,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-18 18:22:28,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-18 18:22:28,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-18 18:22:28,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-18 18:22:28,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-18 18:22:28,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-18 18:22:28,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-18 18:22:28,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-18 18:22:28,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (1/1) ... [2018-12-18 18:22:28,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-18 18:22:28,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-18 18:22:28,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-18 18:22:28,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-18 18:22:28,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:22:28" (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 [2018-12-18 18:22:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-18 18:22:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-18 18:22:29,592 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-18 18:22:29,593 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-18 18:22:29,593 INFO L202 PluginConnector]: Adding new model matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:22:29 BoogieIcfgContainer [2018-12-18 18:22:29,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-18 18:22:29,594 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-18 18:22:29,595 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-18 18:22:29,595 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-18 18:22:29,596 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:22:29" (1/1) ... [2018-12-18 18:22:29,631 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-18 18:22:30,548 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-18 18:22:30,568 INFO L272 AbstractInterpreter]: Visited 7 different actions 11 times. Merged at 2 different actions 2 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2018-12-18 18:22:30,570 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-18 18:22:30,571 INFO L168 Benchmark]: Toolchain (without parser) took 1644.43 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-12-18 18:22:30,574 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. [2018-12-18 18:22:30,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.28 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. [2018-12-18 18:22:30,576 INFO L168 Benchmark]: Boogie Preprocessor took 24.31 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. [2018-12-18 18:22:30,577 INFO L168 Benchmark]: RCFGBuilder took 600.20 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. [2018-12-18 18:22:30,578 INFO L168 Benchmark]: Abstract Interpretation took 975.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-18 18:22:30,582 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 0.22 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 40.28 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 24.31 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 600.20 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 975.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 48]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] havoc main_#res; [L18] havoc main_#t~nondet0, main_#t~nondet3, main_#t~post2, main_#t~post1, main_~N_LIN~5, main_~N_COL~5, main_~j~5, main_~k~5, main_~matriz~5, main_~maior~5; [L19] main_~N_LIN~5 := 1; [L20] main_~N_COL~5 := 1; [L21] havoc main_~j~5; [L22] havoc main_~k~5; [L23] havoc main_~matriz~5; [L24] havoc main_~maior~5; [L25] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L26] main_~maior~5 := main_#t~nondet0; [L27] havoc main_#t~nondet0; [L28] main_~j~5 := 0; [L44] assume !!(main_~j~5 % 4294967296 < main_~N_COL~5 % 4294967296); [L45] main_~k~5 := 0; [L61] assume !!(main_~k~5 % 4294967296 < main_~N_LIN~5 % 4294967296); [L62] assume -2147483648 <= main_#t~nondet3 && main_#t~nondet3 <= 2147483647; [L63] main_~matriz~5 := main_~matriz~5[main_~j~5 % 4294967296,main_~k~5 % 4294967296 := main_#t~nondet3]; [L64] havoc main_#t~nondet3; [L65] assume main_~matriz~5[main_~j~5 % 4294967296,main_~k~5 % 4294967296] >= main_~maior~5; [L66] main_~maior~5 := main_~matriz~5[main_~j~5 % 4294967296,main_~k~5 % 4294967296]; [L67] main_#t~post2 := main_~k~5; [L68] main_~k~5 := main_#t~post2 + 1; [L69] havoc main_#t~post2; [L55] assume !(main_~k~5 % 4294967296 < main_~N_LIN~5 % 4294967296); [L56] main_#t~post1 := main_~j~5; [L57] main_~j~5 := main_#t~post1 + 1; [L58] havoc main_#t~post1; [L36] assume !(main_~j~5 % 4294967296 < main_~N_COL~5 % 4294967296); [L37] __VERIFIER_assert_#in~cond := (if main_~matriz~5[0,0] <= main_~maior~5 then 1 else 0); [L38] havoc __VERIFIER_assert_~cond; [L39] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L40] assume __VERIFIER_assert_~cond == 0; [L41] assume !false; [L48] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...