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/HiddenInequality.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:44,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:44,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:44,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:44,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:44,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:44,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:44,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:44,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:44,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:44,270 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:44,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:44,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:44,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:44,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:44,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:44,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:44,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:44,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:44,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:44,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:44,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:44,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:44,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:44,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:15:44,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:15:44,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:15:44,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:15:44,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:15:44,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:15:44,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:44,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:44,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:44,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:44,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:44,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:44,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:44,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:15:44,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:15:44,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:15:44,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:15:44,299 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:15:44,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:44,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:44,314 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:44,314 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:44,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:44,314 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:44,315 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:44,315 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:44,315 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:44,315 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:44,315 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:44,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:44,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:44,316 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:44,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:44,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:44,317 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:44,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:44,318 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:44,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:44,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:44,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:44,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:44,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:44,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:44,319 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:44,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:44,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:44,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:44,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:44,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:44,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:44,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:44,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:44,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:44,321 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:44,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:44,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:44,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:44,322 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:44,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:44,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:44,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:44,368 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:44,368 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:44,369 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl [2019-08-05 12:15:44,369 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl' [2019-08-05 12:15:44,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:44,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:44,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:44,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:44,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:44,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:44,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:44,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:44,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:44,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:44,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:44,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:44,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:44,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (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 [2019-08-05 12:15:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:44,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:44,761 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:44,761 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:44,763 INFO L202 PluginConnector]: Adding new model HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:44 BoogieIcfgContainer [2019-08-05 12:15:44,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:44,764 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:44,764 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:44,764 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:44,766 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,799 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:44,904 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:44,928 INFO L272 AbstractInterpreter]: Visited 6 different actions 14 times. Merged at 3 different actions 5 times. Never widened. Performed 60 root evaluator evaluations with a maximum evaluation depth of 2. Performed 60 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:15:44,929 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:44,932 INFO L168 Benchmark]: Toolchain (without parser) took 528.38 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 86.7 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,933 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.10 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 102.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,936 INFO L168 Benchmark]: Boogie Preprocessor took 29.93 ms. Allocated memory is still 140.0 MB. Free memory was 102.9 MB in the beginning and 101.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,937 INFO L168 Benchmark]: RCFGBuilder took 292.06 ms. Allocated memory is still 140.0 MB. Free memory was 101.8 MB in the beginning and 93.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,938 INFO L168 Benchmark]: Abstract Interpretation took 164.86 ms. Allocated memory is still 140.0 MB. Free memory was 93.1 MB in the beginning and 86.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,943 INFO L335 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 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.10 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 102.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.93 ms. Allocated memory is still 140.0 MB. Free memory was 102.9 MB in the beginning and 101.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.06 ms. Allocated memory is still 140.0 MB. Free memory was 101.8 MB in the beginning and 93.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 164.86 ms. Allocated memory is still 140.0 MB. Free memory was 93.1 MB in the beginning and 86.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 29]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] s := 0; [L24] i := 0; [L25] COND TRUE i <= 8 [L26] s := s + 1; [L27] i := i + 1; [L25] COND TRUE i <= 8 [L26] s := s + 1; [L27] i := i + 1; [L25] COND FALSE !(i <= 8) [L29] assert s >= 9; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...