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/toy/tooDifficultLoopInvariant/Luxembourg.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 19:52:23,100 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 19:52:23,104 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 19:52:23,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 19:52:23,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 19:52:23,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 19:52:23,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 19:52:23,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 19:52:23,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 19:52:23,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 19:52:23,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 19:52:23,166 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 19:52:23,182 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 19:52:23,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 19:52:23,183 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 19:52:23,184 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 19:52:23,184 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 19:52:23,184 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 19:52:23,184 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 19:52:23,185 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 19:52:23,186 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 19:52:23,186 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 19:52:23,186 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 19:52:23,186 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 19:52:23,186 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 19:52:23,187 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 19:52:23,187 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 19:52:23,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 19:52:23,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 19:52:23,188 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 19:52:23,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 19:52:23,189 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 19:52:23,189 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 19:52:23,189 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 19:52:23,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 19:52:23,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 19:52:23,190 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 19:52:23,190 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 19:52:23,190 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 19:52:23,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 19:52:23,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 19:52:23,191 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 19:52:23,191 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 19:52:23,191 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 19:52:23,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 19:52:23,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 19:52:23,192 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 19:52:23,192 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 19:52:23,192 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 19:52:23,192 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 19:52:23,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 19:52:23,193 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 19:52:23,193 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 19:52:23,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 19:52:23,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 19:52:23,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 19:52:23,242 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 19:52:23,242 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 19:52:23,243 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl [2018-12-03 19:52:23,244 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl' [2018-12-03 19:52:23,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 19:52:23,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 19:52:23,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 19:52:23,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 19:52:23,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 19:52:23,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,314 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 19:52:23,315 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 19:52:23,315 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 19:52:23,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 19:52:23,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 19:52:23,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 19:52:23,319 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 19:52:23,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 19:52:23,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 19:52:23,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 19:52:23,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 19:52:23,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:52:23" (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 19:52:23,419 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-12-03 19:52:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 19:52:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 19:52:23,627 INFO L272 CfgBuilder]: Using library mode [2018-12-03 19:52:23,627 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 19:52:23,627 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:52:23 BoogieIcfgContainer [2018-12-03 19:52:23,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 19:52:23,628 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 19:52:23,628 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 19:52:23,629 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 19:52:23,630 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:52:23" (1/1) ... [2018-12-03 19:52:23,666 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 19:52:23,893 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 19:52:23,911 INFO L272 AbstractInterpreter]: Visited 7 different actions 27 times. Merged at 5 different actions 15 times. Widened at 1 different actions 2 times. Found 5 fixpoints after 3 different actions. Largest state had 0 variables. [2018-12-03 19:52:23,913 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 19:52:23,915 INFO L168 Benchmark]: Toolchain (without parser) took 636.04 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 19:52:23,917 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 19:52:23,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.94 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 19:52:23,919 INFO L168 Benchmark]: Boogie Preprocessor took 21.93 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 19:52:23,919 INFO L168 Benchmark]: RCFGBuilder took 286.31 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 19:52:23,921 INFO L168 Benchmark]: Abstract Interpretation took 285.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-12-03 19:52:23,926 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 37.94 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 21.93 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 286.31 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 285.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 24]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L15] x := 0; [L16] y := 1000; [L19] x := x + 1; [L20] y := y - 1; [L19] x := x + 1; [L20] y := y - 1; [L23] COND TRUE x == 1000 [L24] assert y <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...