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/n.c11.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-20 11:40:46,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-20 11:40:46,039 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-20 11:40:46,051 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-20 11:40:46,052 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-20 11:40:46,053 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-20 11:40:46,055 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-20 11:40:46,058 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-20 11:40:46,060 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-20 11:40:46,061 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-20 11:40:46,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-20 11:40:46,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-20 11:40:46,070 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-20 11:40:46,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-20 11:40:46,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-20 11:40:46,078 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-20 11:40:46,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-20 11:40:46,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-20 11:40:46,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-20 11:40:46,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-20 11:40:46,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-20 11:40:46,094 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-20 11:40:46,098 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-20 11:40:46,099 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-20 11:40:46,099 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-20 11:40:46,100 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-20 11:40:46,103 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-20 11:40:46,104 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-20 11:40:46,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-20 11:40:46,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-20 11:40:46,110 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-20 11:40:46,110 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-01-20 11:40:46,114 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 [2019-01-20 11:40:46,138 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-20 11:40:46,139 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-20 11:40:46,140 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-20 11:40:46,140 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-20 11:40:46,140 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-20 11:40:46,140 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-20 11:40:46,140 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-20 11:40:46,143 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-20 11:40:46,144 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-20 11:40:46,144 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-20 11:40:46,144 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-20 11:40:46,144 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-20 11:40:46,144 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-20 11:40:46,145 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-20 11:40:46,146 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-20 11:40:46,146 INFO L133 SettingsManager]: * Use SBE=true [2019-01-20 11:40:46,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-20 11:40:46,147 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-20 11:40:46,147 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-20 11:40:46,147 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-20 11:40:46,147 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-20 11:40:46,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-20 11:40:46,149 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-20 11:40:46,149 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-20 11:40:46,150 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-20 11:40:46,150 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-20 11:40:46,150 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-20 11:40:46,150 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-20 11:40:46,150 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-20 11:40:46,151 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-20 11:40:46,151 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-20 11:40:46,151 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-20 11:40:46,151 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-20 11:40:46,151 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-20 11:40:46,152 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-20 11:40:46,152 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-20 11:40:46,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-20 11:40:46,152 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-20 11:40:46,152 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-20 11:40:46,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-20 11:40:46,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-20 11:40:46,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-20 11:40:46,218 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-20 11:40:46,219 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-20 11:40:46,219 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl [2019-01-20 11:40:46,220 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl' [2019-01-20 11:40:46,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-20 11:40:46,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-20 11:40:46,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-20 11:40:46,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-20 11:40:46,259 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-20 11:40:46,274 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,284 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-20 11:40:46,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-20 11:40:46,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-20 11:40:46,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-20 11:40:46,304 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,305 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,306 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,306 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,309 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,311 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,312 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-20 11:40:46,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-20 11:40:46,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-20 11:40:46,314 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-20 11:40:46,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.01 11:40:46" (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 [2019-01-20 11:40:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-20 11:40:46,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-20 11:40:46,528 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-20 11:40:46,528 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-20 11:40:46,530 INFO L202 PluginConnector]: Adding new model n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:40:46 BoogieIcfgContainer [2019-01-20 11:40:46,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-20 11:40:46,531 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-20 11:40:46,531 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-20 11:40:46,531 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-20 11:40:46,532 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 20.01 11:40:46" (1/1) ... [2019-01-20 11:40:46,575 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-20 11:40:46,649 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-01-20 11:40:48,479 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-20 11:40:48,501 INFO L272 AbstractInterpreter]: Visited 5 different actions 41 times. Merged at 3 different actions 27 times. Widened at 2 different actions 12 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-20 11:40:48,504 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-20 11:40:48,505 INFO L168 Benchmark]: Toolchain (without parser) took 2247.72 ms. Allocated memory was 132.6 MB in the beginning and 239.1 MB in the end (delta: 106.4 MB). Free memory was 107.9 MB in the beginning and 130.9 MB in the end (delta: -23.0 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-01-20 11:40:48,508 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-20 11:40:48,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.34 ms. Allocated memory is still 132.6 MB. Free memory was 107.7 MB in the beginning and 106.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-01-20 11:40:48,510 INFO L168 Benchmark]: Boogie Preprocessor took 20.39 ms. Allocated memory is still 132.6 MB. Free memory was 106.1 MB in the beginning and 105.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-01-20 11:40:48,511 INFO L168 Benchmark]: RCFGBuilder took 216.11 ms. Allocated memory is still 132.6 MB. Free memory was 105.0 MB in the beginning and 95.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-01-20 11:40:48,512 INFO L168 Benchmark]: Abstract Interpretation took 1973.40 ms. Allocated memory was 132.6 MB in the beginning and 239.1 MB in the end (delta: 106.4 MB). Free memory was 95.9 MB in the beginning and 130.9 MB in the end (delta: -35.0 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-01-20 11:40:48,517 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 132.6 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.34 ms. Allocated memory is still 132.6 MB. Free memory was 107.7 MB in the beginning and 106.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.39 ms. Allocated memory is still 132.6 MB. Free memory was 106.1 MB in the beginning and 105.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 216.11 ms. Allocated memory is still 132.6 MB. Free memory was 105.0 MB in the beginning and 95.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1973.40 ms. Allocated memory was 132.6 MB in the beginning and 239.1 MB in the end (delta: 106.4 MB). Free memory was 95.9 MB in the beginning and 130.9 MB in the end (delta: -35.0 MB). Peak memory consumption was 71.5 MB. 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...