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/regression/bpl/TestQuantifierEliminationInequality01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:04,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:04,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:04,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:04,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:04,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:04,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:04,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:04,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:04,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:04,827 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:04,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:04,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:04,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:04,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:04,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:04,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:04,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:04,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:04,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:04,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:04,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:04,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:04,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:04,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:04,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:04,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:04,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:04,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:04,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:04,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:04,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:04,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:04,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:04,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:04,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:04,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:04,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:04,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:04,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:04,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:04,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:04,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:04,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:04,955 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:04,956 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:04,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestQuantifierEliminationInequality01.bpl [2019-08-06 16:58:04,958 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestQuantifierEliminationInequality01.bpl' [2019-08-06 16:58:04,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:04,993 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:04,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:04,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:04,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:05,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (1/1) ... [2019-08-06 16:58:05,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:05,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:05,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:05,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:05,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:04" (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 [2019-08-06 16:58:05,110 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-06 16:58:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:05,331 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:05,333 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:58:05,335 INFO L202 PluginConnector]: Adding new model TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:05 BoogieIcfgContainer [2019-08-06 16:58:05,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:05,336 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:05,336 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:05,337 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:05,339 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestQuantifierEliminationInequality01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:05" (1/1) ... [2019-08-06 16:58:05,352 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:05,356 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:05,367 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 16:58:05,376 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:05,378 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 16:58:05,438 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:05,439 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:05,442 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 9#(and (not (<= (+ b 2) a)) (< b x) (< x a)) [2019-08-06 16:58:05,443 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:05,450 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:05,453 INFO L168 Benchmark]: Toolchain (without parser) took 458.51 ms. Allocated memory is still 139.5 MB. Free memory was 108.0 MB in the beginning and 92.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,454 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,456 INFO L168 Benchmark]: Boogie Preprocessor took 43.18 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,457 INFO L168 Benchmark]: RCFGBuilder took 297.90 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,458 INFO L168 Benchmark]: Symbolic Interpretation took 114.26 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 92.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:05,462 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: 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 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.18 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 297.90 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 114.26 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 92.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...