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_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-18 11:08:11,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-18 11:08:11,088 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-18 11:08:11,104 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-18 11:08:11,104 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-18 11:08:11,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-18 11:08:11,108 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-18 11:08:11,111 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-18 11:08:11,113 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-18 11:08:11,114 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-18 11:08:11,115 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-18 11:08:11,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-18 11:08:11,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-18 11:08:11,118 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-18 11:08:11,119 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-18 11:08:11,120 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-18 11:08:11,121 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-18 11:08:11,123 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-18 11:08:11,125 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-18 11:08:11,127 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-18 11:08:11,128 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-18 11:08:11,129 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-18 11:08:11,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-02-18 11:08:11,132 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-02-18 11:08:11,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-02-18 11:08:11,133 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-02-18 11:08:11,134 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-02-18 11:08:11,135 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-02-18 11:08:11,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-02-18 11:08:11,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-02-18 11:08:11,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-02-18 11:08:11,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-02-18 11:08:11,141 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-02-18 11:08:11,154 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-18 11:08:11,154 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-18 11:08:11,155 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-18 11:08:11,156 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-18 11:08:11,156 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-18 11:08:11,156 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-18 11:08:11,156 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-18 11:08:11,157 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-18 11:08:11,157 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-18 11:08:11,158 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-18 11:08:11,158 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-18 11:08:11,158 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-18 11:08:11,159 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-18 11:08:11,159 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-18 11:08:11,160 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-18 11:08:11,160 INFO L133 SettingsManager]: * Use SBE=true [2019-02-18 11:08:11,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-18 11:08:11,160 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-18 11:08:11,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-18 11:08:11,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-18 11:08:11,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-18 11:08:11,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-18 11:08:11,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-18 11:08:11,163 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-18 11:08:11,163 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-18 11:08:11,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-18 11:08:11,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-18 11:08:11,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-18 11:08:11,164 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-18 11:08:11,164 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-18 11:08:11,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-02-18 11:08:11,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-18 11:08:11,165 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-18 11:08:11,165 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-18 11:08:11,165 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-18 11:08:11,165 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-18 11:08:11,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-02-18 11:08:11,166 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-18 11:08:11,166 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-18 11:08:11,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-18 11:08:11,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-18 11:08:11,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-18 11:08:11,216 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-18 11:08:11,217 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-18 11:08:11,217 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl [2019-02-18 11:08:11,218 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl' [2019-02-18 11:08:11,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-18 11:08:11,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-18 11:08:11,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-18 11:08:11,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-18 11:08:11,263 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-18 11:08:11,280 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 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,293 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 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-18 11:08:11,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-18 11:08:11,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-18 11:08:11,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-18 11:08:11,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-18 11:08:11,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-18 11:08:11,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-18 11:08:11,327 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-18 11:08:11,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:08:11" (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 [2019-02-18 11:08:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-18 11:08:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-18 11:08:11,652 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-02-18 11:08:11,653 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-18 11:08:11,654 INFO L286 CfgBuilder]: Removed 2 assue(true) statements. [2019-02-18 11:08:11,655 INFO L202 PluginConnector]: Adding new model matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 11:08:11 BoogieIcfgContainer [2019-02-18 11:08:11,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-18 11:08:11,656 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-18 11:08:11,656 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-18 11:08:11,656 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-18 11:08:11,657 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 18.02 11:08:11" (1/1) ... [2019-02-18 11:08:11,712 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-18 11:08:11,828 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-02-18 11:08:39,543 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-18 11:08:39,555 INFO L272 AbstractInterpreter]: Visited 7 different actions 141 times. Merged at 5 different actions 84 times. Widened at 4 different actions 57 times. Found 35 fixpoints after 4 different actions. Largest state had 0 variables. [2019-02-18 11:08:39,558 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-18 11:08:39,559 INFO L168 Benchmark]: Toolchain (without parser) took 28297.96 ms. Allocated memory was 138.9 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 106.2 MB in the beginning and 129.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-02-18 11:08:39,561 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-18 11:08:39,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.63 ms. Allocated memory is still 138.9 MB. Free memory was 106.2 MB in the beginning and 104.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-02-18 11:08:39,563 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 138.9 MB. Free memory was 104.4 MB in the beginning and 103.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-02-18 11:08:39,565 INFO L168 Benchmark]: RCFGBuilder took 328.72 ms. Allocated memory is still 138.9 MB. Free memory was 103.3 MB in the beginning and 93.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-02-18 11:08:39,566 INFO L168 Benchmark]: Abstract Interpretation took 27902.16 ms. Allocated memory was 138.9 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 93.2 MB in the beginning and 129.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-02-18 11:08:39,571 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 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.63 ms. Allocated memory is still 138.9 MB. Free memory was 106.2 MB in the beginning and 104.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 138.9 MB. Free memory was 104.4 MB in the beginning and 103.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 328.72 ms. Allocated memory is still 138.9 MB. Free memory was 103.3 MB in the beginning and 93.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 27902.16 ms. Allocated memory was 138.9 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 93.2 MB in the beginning and 129.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 1.3 GB. 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...