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/InvariantSynthesis/InvariantSynthesis_WPHelpful01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:14:48,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:48,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:48,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:48,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:48,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:48,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:48,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:48,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:48,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:48,609 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:48,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:48,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:48,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:48,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:48,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:48,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:48,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:48,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:48,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:48,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:48,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:48,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:48,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:48,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:48,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:48,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:48,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:48,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:48,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:48,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:48,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:48,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:48,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:48,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:48,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:48,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:48,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:48,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:48,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:48,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:48,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:48,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:48,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:48,680 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:48,681 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:48,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSynthesis/InvariantSynthesis_WPHelpful01.bpl [2019-08-09 14:14:48,682 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSynthesis/InvariantSynthesis_WPHelpful01.bpl' [2019-08-09 14:14:48,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:48,715 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:48,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:48,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:48,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:48,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:48" (1/1) ... [2019-08-09 14:14:48,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:48" (1/1) ... [2019-08-09 14:14:48,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:48" (1/1) ... [2019-08-09 14:14:48,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:48" (1/1) ... [2019-08-09 14:14:48,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:48" (1/1) ... [2019-08-09 14:14:48,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:48" (1/1) ... [2019-08-09 14:14:48,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:48" (1/1) ... [2019-08-09 14:14:48,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:48,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:48,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:48,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:48,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:48" (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 [2019-08-09 14:14:48,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:14:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:14:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:14:49,088 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:49,088 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:14:49,090 INFO L202 PluginConnector]: Adding new model InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:49 BoogieIcfgContainer [2019-08-09 14:14:49,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:49,090 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:49,091 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:49,091 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:49,092 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "InvariantSynthesis_WPHelpful01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:49" (1/1) ... [2019-08-09 14:14:49,229 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:49,237 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:49,240 INFO L168 Benchmark]: Toolchain (without parser) took 523.69 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 90.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:49,241 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:49,242 INFO L168 Benchmark]: Boogie Preprocessor took 41.48 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 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. [2019-08-09 14:14:49,244 INFO L168 Benchmark]: RCFGBuilder took 331.88 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 96.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:49,245 INFO L168 Benchmark]: Symbolic Interpretation took 146.51 ms. Allocated memory is still 133.7 MB. Free memory was 96.8 MB in the beginning and 90.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:49,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 24]: 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. Predicate is 24#(and (not (< 0 x)) (not (<= 0 y))). 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 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.48 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 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 331.88 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 96.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 146.51 ms. Allocated memory is still 133.7 MB. Free memory was 96.8 MB in the beginning and 90.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...