java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:35,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:35,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:35,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:35,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:35,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:35,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:35,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:35,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:35,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:35,635 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:35,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:35,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:35,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:35,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:35,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:35,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:35,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:35,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:35,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:35,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:35,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:35,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:35,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:35,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:35,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:35,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:35,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:35,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:35,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:35,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:35,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:35,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:35,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:35,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:35,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:35,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:35,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:35,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:35,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:35,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:35,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:35,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:35,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:35,734 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:35,735 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:35,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl [2019-08-04 21:58:35,736 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl' [2019-08-04 21:58:35,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:35,770 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:35,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:35,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:35,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:35,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:35" (1/1) ... [2019-08-04 21:58:35,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:35" (1/1) ... [2019-08-04 21:58:35,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:35" (1/1) ... [2019-08-04 21:58:35,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:35" (1/1) ... [2019-08-04 21:58:35,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:35" (1/1) ... [2019-08-04 21:58:35,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:35" (1/1) ... [2019-08-04 21:58:35,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:35" (1/1) ... [2019-08-04 21:58:35,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:35,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:35,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:35,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:35,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:35" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-04 21:58:35,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:36,078 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:36,078 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:58:36,079 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:36 BoogieIcfgContainer [2019-08-04 21:58:36,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:36,080 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:36,080 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:36,080 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:36,083 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,093 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:36,096 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:36,103 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:36,111 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:36,113 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:36,343 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-08-04 21:58:36,532 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:36,533 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:36,536 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 22#(and (not (= main_y 100)) (= main_x 100)) [2019-08-04 21:58:36,544 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:36,546 INFO L168 Benchmark]: Toolchain (without parser) took 775.35 ms. Allocated memory is still 141.0 MB. Free memory was 109.5 MB in the beginning and 84.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:36,547 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:36,549 INFO L168 Benchmark]: Boogie Preprocessor took 46.04 ms. Allocated memory is still 141.0 MB. Free memory was 109.3 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:36,550 INFO L168 Benchmark]: RCFGBuilder took 262.41 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 98.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:36,551 INFO L168 Benchmark]: Symbolic Interpretation took 463.99 ms. Allocated memory is still 141.0 MB. Free memory was 98.3 MB in the beginning and 84.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:36,556 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 29]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * 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 141.0 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.04 ms. Allocated memory is still 141.0 MB. Free memory was 109.3 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 262.41 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 98.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 463.99 ms. Allocated memory is still 141.0 MB. Free memory was 98.3 MB in the beginning and 84.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...