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/interprocedural/BugBackwardPredicates08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:26,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:26,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:26,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:26,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:26,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:26,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:26,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:26,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:26,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:26,610 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:26,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:26,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:26,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:26,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:26,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:26,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:26,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:26,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:26,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:26,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:26,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:26,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:26,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:26,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:26,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:26,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:26,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:26,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:26,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:26,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:26,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:26,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:26,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:26,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:26,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:26,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:26,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:26,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:26,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:26,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:26,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:26,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:26,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:26,689 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:26,689 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:26,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates08.bpl [2019-08-06 16:58:26,690 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates08.bpl' [2019-08-06 16:58:26,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:26,721 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:26,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:26,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:26,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:26,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:26,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:26,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:26,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:26,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (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 16:58:26,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:58:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:58:26,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:58:26,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:58:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:26,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:27,052 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:58:27,053 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:27,058 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:27 BoogieIcfgContainer [2019-08-06 16:58:27,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:27,059 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:27,059 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:27,060 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:27,060 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,075 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:27,080 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:27,091 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:58:27,101 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:27,103 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:58:27,160 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:58:27,176 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:27,176 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:27,179 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 8#(and (not (= main_x main_y)) (= main_x (/ 6.0 5.0)) (= main_y (/ 6.0 5.0))) [2019-08-06 16:58:27,181 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:27,199 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:27,205 INFO L168 Benchmark]: Toolchain (without parser) took 480.10 ms. Allocated memory is still 141.0 MB. Free memory was 109.6 MB in the beginning and 94.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,207 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,208 INFO L168 Benchmark]: Boogie Preprocessor took 35.72 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,209 INFO L168 Benchmark]: RCFGBuilder took 300.69 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,213 INFO L168 Benchmark]: Symbolic Interpretation took 140.45 ms. Allocated memory is still 141.0 MB. Free memory was 98.7 MB in the beginning and 94.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,219 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 21]: 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 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.72 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.69 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 140.45 ms. Allocated memory is still 141.0 MB. Free memory was 98.7 MB in the beginning and 94.6 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...