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/matrix.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 19:51:30,316 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 19:51:30,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 19:51:30,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 19:51:30,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 19:51:30,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 19:51:30,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 19:51:30,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 19:51:30,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 19:51:30,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 19:51:30,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 19:51:30,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 19:51:30,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 19:51:30,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 19:51:30,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 19:51:30,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 19:51:30,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 19:51:30,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 19:51:30,347 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 19:51:30,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 19:51:30,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 19:51:30,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 19:51:30,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-03 19:51:30,363 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-03 19:51:30,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 19:51:30,377 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 19:51:30,378 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 19:51:30,378 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 19:51:30,378 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 19:51:30,378 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 19:51:30,379 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 19:51:30,379 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 19:51:30,379 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 19:51:30,379 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 19:51:30,379 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 19:51:30,380 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 19:51:30,380 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 19:51:30,380 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 19:51:30,380 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 19:51:30,381 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 19:51:30,381 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 19:51:30,382 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 19:51:30,382 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 19:51:30,382 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 19:51:30,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 19:51:30,383 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 19:51:30,383 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 19:51:30,383 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 19:51:30,383 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 19:51:30,383 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 19:51:30,384 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 19:51:30,384 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 19:51:30,384 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 19:51:30,384 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 19:51:30,385 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 19:51:30,385 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 19:51:30,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 19:51:30,385 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 19:51:30,386 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 19:51:30,386 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 19:51:30,386 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 19:51:30,386 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 19:51:30,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 19:51:30,387 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 19:51:30,387 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 19:51:30,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 19:51:30,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 19:51:30,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 19:51:30,440 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 19:51:30,440 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 19:51:30,441 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl [2018-12-03 19:51:30,442 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl' [2018-12-03 19:51:30,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 19:51:30,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 19:51:30,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 19:51:30,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 19:51:30,507 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 19:51:30,526 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 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,540 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 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 19:51:30,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 19:51:30,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 19:51:30,553 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 19:51:30,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:30,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 19:51:30,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 19:51:30,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 19:51:30,580 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 19:51:30,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:30" (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 19:51:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 19:51:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 19:51:30,948 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 19:51:30,949 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 19:51:30,949 INFO L202 PluginConnector]: Adding new model matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:51:30 BoogieIcfgContainer [2018-12-03 19:51:30,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 19:51:30,950 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 19:51:30,950 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 19:51:30,951 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 19:51:30,952 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 03.12 07:51:30" (1/1) ... [2018-12-03 19:51:31,003 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 19:51:31,864 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 19:51:31,893 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. [2018-12-03 19:51:31,895 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 19:51:31,896 INFO L168 Benchmark]: Toolchain (without parser) took 1393.52 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-12-03 19:51:31,898 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 19:51:31,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.95 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 19:51:31,900 INFO L168 Benchmark]: Boogie Preprocessor took 26.31 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. [2018-12-03 19:51:31,901 INFO L168 Benchmark]: RCFGBuilder took 369.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 19:51:31,902 INFO L168 Benchmark]: Abstract Interpretation took 944.88 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-03 19:51:31,908 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 0.20 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 47.95 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 26.31 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 369.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 944.88 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: 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...