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/abstractInterpretation/regression/all/expr-equality-lesser-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:29,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:29,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:29,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:29,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:29,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:29,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:29,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:29,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:29,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:29,684 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:29,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:29,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:29,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:29,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:29,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:29,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:29,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:29,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:29,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:29,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:29,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:29,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:29,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:29,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:29,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:29,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:29,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:29,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:29,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:29,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:29,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:29,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:29,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:29,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:29,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:29,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:29,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:29,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:29,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:29,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:29,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:29,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:29,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:29,792 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:29,793 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:29,795 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-equality-lesser-unsafe.bpl [2019-08-05 18:16:29,795 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-equality-lesser-unsafe.bpl' [2019-08-05 18:16:29,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:29,828 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:29,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:29,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:29,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:29,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:29" (1/1) ... [2019-08-05 18:16:29,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:29" (1/1) ... [2019-08-05 18:16:29,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:29" (1/1) ... [2019-08-05 18:16:29,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:29" (1/1) ... [2019-08-05 18:16:29,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:29" (1/1) ... [2019-08-05 18:16:29,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:29" (1/1) ... [2019-08-05 18:16:29,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:29" (1/1) ... [2019-08-05 18:16:29,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:29,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:29,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:29,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:29,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:29" (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 [2019-08-05 18:16:29,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:16:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:16:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:16:30,094 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:16:30,094 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:30,095 INFO L202 PluginConnector]: Adding new model expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:30 BoogieIcfgContainer [2019-08-05 18:16:30,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:30,096 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:30,096 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:30,097 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:30,098 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:30" (1/1) ... [2019-08-05 18:16:30,109 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:16:30,112 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:30,119 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 18:16:30,127 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:30,128 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 18:16:30,172 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:30,172 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:30,176 INFO L179 IcfgInterpreter]: Location fooErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (<= foo_y 1) (= 0 foo_x) (<= 0 foo_y) (< foo_x foo_y)) [2019-08-05 18:16:30,176 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 10#false [2019-08-05 18:16:30,177 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:30,196 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:30,199 INFO L168 Benchmark]: Toolchain (without parser) took 369.47 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 95.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:30,201 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:30,202 INFO L168 Benchmark]: Boogie Preprocessor took 39.33 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 108.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:30,205 INFO L168 Benchmark]: RCFGBuilder took 227.01 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 99.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:30,207 INFO L168 Benchmark]: Symbolic Interpretation took 99.96 ms. Allocated memory is still 133.7 MB. Free memory was 99.4 MB in the beginning and 95.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:30,213 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: 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: - PositiveResult [Line: 7]: assertion always holds For all program executions holds that assertion always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.33 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 108.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 227.01 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 99.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 99.96 ms. Allocated memory is still 133.7 MB. Free memory was 99.4 MB in the beginning and 95.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...