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_compound_oct_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-18 18:38:09,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-18 18:38:09,056 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-18 18:38:09,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-18 18:38:09,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-18 18:38:09,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-18 18:38:09,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-18 18:38:09,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-18 18:38:09,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-18 18:38:09,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-18 18:38:09,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-18 18:38:09,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-18 18:38:09,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-18 18:38:09,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-18 18:38:09,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-18 18:38:09,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-18 18:38:09,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-18 18:38:09,085 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-18 18:38:09,087 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-18 18:38:09,088 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-18 18:38:09,090 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-18 18:38:09,091 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-18 18:38:09,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-18 18:38:09,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-18 18:38:09,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-18 18:38:09,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-18 18:38:09,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-18 18:38:09,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-18 18:38:09,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-18 18:38:09,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-18 18:38:09,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-18 18:38:09,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-01-18 18:38:09,102 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2019-01-18 18:38:09,115 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-18 18:38:09,116 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-18 18:38:09,116 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-18 18:38:09,117 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-18 18:38:09,117 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-18 18:38:09,117 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-18 18:38:09,117 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-18 18:38:09,117 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-18 18:38:09,118 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-18 18:38:09,118 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-18 18:38:09,118 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-18 18:38:09,118 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-18 18:38:09,119 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-18 18:38:09,119 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-18 18:38:09,119 INFO L133 SettingsManager]: * Use SBE=true [2019-01-18 18:38:09,119 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-18 18:38:09,120 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-18 18:38:09,120 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-18 18:38:09,120 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-18 18:38:09,120 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-18 18:38:09,120 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-18 18:38:09,121 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-18 18:38:09,121 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-18 18:38:09,121 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-18 18:38:09,121 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-18 18:38:09,121 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-18 18:38:09,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-18 18:38:09,122 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-18 18:38:09,122 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-18 18:38:09,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 18:38:09,122 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-18 18:38:09,123 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-18 18:38:09,123 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-18 18:38:09,123 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-18 18:38:09,123 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-18 18:38:09,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-18 18:38:09,124 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-18 18:38:09,124 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-18 18:38:09,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-18 18:38:09,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-18 18:38:09,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-18 18:38:09,197 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-18 18:38:09,198 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-18 18:38:09,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl [2019-01-18 18:38:09,199 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl' [2019-01-18 18:38:09,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-18 18:38:09,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-18 18:38:09,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-18 18:38:09,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-18 18:38:09,229 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-18 18:38:09,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,261 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-18 18:38:09,261 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-18 18:38:09,261 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-18 18:38:09,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-18 18:38:09,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-18 18:38:09,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-18 18:38:09,264 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-18 18:38:09,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-18 18:38:09,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-18 18:38:09,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-18 18:38:09,287 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-18 18:38:09,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:38:09" (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 [2019-01-18 18:38:09,352 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-18 18:38:09,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-18 18:38:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-18 18:38:09,600 INFO L278 CfgBuilder]: Using library mode [2019-01-18 18:38:09,600 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-18 18:38:09,602 INFO L202 PluginConnector]: Adding new model SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 06:38:09 BoogieIcfgContainer [2019-01-18 18:38:09,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-18 18:38:09,604 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-18 18:38:09,604 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-18 18:38:09,604 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-18 18:38:09,606 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 06:38:09" (1/1) ... [2019-01-18 18:38:09,671 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2)