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_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-15 11:39:55,284 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-15 11:39:55,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-15 11:39:55,300 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-15 11:39:55,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-15 11:39:55,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-15 11:39:55,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-15 11:39:55,307 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-15 11:39:55,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-15 11:39:55,316 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-15 11:39:55,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-15 11:39:55,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-15 11:39:55,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-15 11:39:55,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-15 11:39:55,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-15 11:39:55,330 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-15 11:39:55,331 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-15 11:39:55,335 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-15 11:39:55,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-15 11:39:55,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-15 11:39:55,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-15 11:39:55,346 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-15 11:39:55,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-02-15 11:39:55,351 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-02-15 11:39:55,351 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-02-15 11:39:55,352 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-02-15 11:39:55,353 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-02-15 11:39:55,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-02-15 11:39:55,358 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-02-15 11:39:55,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-02-15 11:39:55,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-02-15 11:39:55,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-02-15 11:39:55,365 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_oct.epf [2019-02-15 11:39:55,387 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-15 11:39:55,387 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-15 11:39:55,388 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-15 11:39:55,389 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-15 11:39:55,389 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-15 11:39:55,389 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-15 11:39:55,389 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-15 11:39:55,390 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-15 11:39:55,390 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-15 11:39:55,390 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-15 11:39:55,391 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2019-02-15 11:39:55,391 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-15 11:39:55,391 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-15 11:39:55,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-15 11:39:55,392 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-15 11:39:55,392 INFO L133 SettingsManager]: * Use SBE=true [2019-02-15 11:39:55,392 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-15 11:39:55,394 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-15 11:39:55,394 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-15 11:39:55,394 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-15 11:39:55,395 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-15 11:39:55,395 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-15 11:39:55,395 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-15 11:39:55,395 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-15 11:39:55,395 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-15 11:39:55,396 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-15 11:39:55,396 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-15 11:39:55,396 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-15 11:39:55,397 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-15 11:39:55,397 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-15 11:39:55,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-15 11:39:55,397 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-15 11:39:55,397 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-15 11:39:55,397 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-15 11:39:55,398 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-15 11:39:55,398 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-15 11:39:55,398 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-15 11:39:55,398 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-15 11:39:55,398 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-15 11:39:55,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-15 11:39:55,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-15 11:39:55,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-15 11:39:55,470 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-15 11:39:55,470 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-15 11:39:55,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl [2019-02-15 11:39:55,472 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl' [2019-02-15 11:39:55,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-15 11:39:55,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-15 11:39:55,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-15 11:39:55,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-15 11:39:55,521 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-15 11:39:55,537 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 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,550 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 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-15 11:39:55,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-15 11:39:55,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-15 11:39:55,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-15 11:39:55,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:55,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-15 11:39:55,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-15 11:39:55,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-15 11:39:55,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-15 11:39:55,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:55" (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 [2019-02-15 11:39:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-15 11:39:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-15 11:39:55,971 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-02-15 11:39:55,973 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-15 11:39:55,973 INFO L286 CfgBuilder]: Removed 2 assue(true) statements. [2019-02-15 11:39:55,975 INFO L202 PluginConnector]: Adding new model matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:39:55 BoogieIcfgContainer [2019-02-15 11:39:55,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-15 11:39:55,976 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-15 11:39:55,976 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-15 11:39:55,977 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-15 11:39:55,977 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 15.02 11:39:55" (1/1) ... [2019-02-15 11:39:56,032 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-15 11:39:56,098 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-02-15 11:39:56,533 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-15 11:39:56,549 INFO L272 AbstractInterpreter]: Visited 7 different actions 77 times. Merged at 5 different actions 43 times. Widened at 4 different actions 25 times. Found 21 fixpoints after 4 different actions. Largest state had 0 variables. [2019-02-15 11:39:56,552 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-15 11:39:56,552 INFO L168 Benchmark]: Toolchain (without parser) took 1033.72 ms. Allocated memory was 133.7 MB in the beginning and 169.3 MB in the end (delta: 35.7 MB). Free memory was 108.5 MB in the beginning and 129.4 MB in the end (delta: -20.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:56,554 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-15 11:39:56,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.99 ms. Allocated memory is still 133.7 MB. Free memory was 108.5 MB in the beginning and 106.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:56,557 INFO L168 Benchmark]: Boogie Preprocessor took 23.03 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 105.9 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 7.1 GB. [2019-02-15 11:39:56,558 INFO L168 Benchmark]: RCFGBuilder took 393.45 ms. Allocated memory is still 133.7 MB. Free memory was 105.5 MB in the beginning and 96.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:56,559 INFO L168 Benchmark]: Abstract Interpretation took 575.56 ms. Allocated memory was 133.7 MB in the beginning and 169.3 MB in the end (delta: 35.7 MB). Free memory was 96.1 MB in the beginning and 129.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:56,565 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 133.7 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.99 ms. Allocated memory is still 133.7 MB. Free memory was 108.5 MB in the beginning and 106.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.03 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 105.9 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 7.1 GB. * RCFGBuilder took 393.45 ms. Allocated memory is still 133.7 MB. Free memory was 105.5 MB in the beginning and 96.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 575.56 ms. Allocated memory was 133.7 MB in the beginning and 169.3 MB in the end (delta: 35.7 MB). Free memory was 96.1 MB in the beginning and 129.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 2.3 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; [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...