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/loopAcceleration/loopWithUnreachableBranch.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:21:02,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:21:02,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:21:02,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:21:02,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:21:02,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:21:02,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:21:02,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:21:02,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:21:02,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:21:02,911 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:21:02,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:21:02,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:21:02,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:21:02,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:21:02,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:21:02,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:21:02,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:21:02,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:21:02,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:21:02,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:21:02,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:21:02,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:21:02,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:21:02,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:21:02,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:21:02,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:21:02,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:21:02,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:21:02,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:21:02,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:21:02,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:21:02,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:21:02,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:21:02,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:21:02,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:21:02,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:21:02,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:21:02,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:21:02,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:21:02,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:21:02,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:21:03,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:21:03,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:21:03,013 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:21:03,013 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:21:03,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithUnreachableBranch.bpl [2019-08-09 14:21:03,014 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithUnreachableBranch.bpl' [2019-08-09 14:21:03,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:21:03,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:21:03,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:21:03,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:21:03,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:21:03,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:21:03,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:21:03,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:21:03,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:21:03,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (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 14:21:03,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:21:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:21:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:21:03,369 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:21:03,369 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:21:03,371 INFO L202 PluginConnector]: Adding new model loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:21:03 BoogieIcfgContainer [2019-08-09 14:21:03,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:21:03,372 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:21:03,372 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:21:03,372 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:21:03,373 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,542 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:21:03,553 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:21:03,564 INFO L168 Benchmark]: Toolchain (without parser) took 511.83 ms. Allocated memory is still 138.4 MB. Free memory was 106.9 MB in the beginning and 88.9 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,565 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 108.2 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,567 INFO L168 Benchmark]: Boogie Preprocessor took 44.01 ms. Allocated memory is still 138.4 MB. Free memory was 106.9 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,568 INFO L168 Benchmark]: RCFGBuilder took 282.48 ms. Allocated memory is still 138.4 MB. Free memory was 104.7 MB in the beginning and 94.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,570 INFO L168 Benchmark]: Symbolic Interpretation took 182.11 ms. Allocated memory is still 138.4 MB. Free memory was 94.0 MB in the beginning and 88.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,576 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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 (= main_y 0)) (not (< main_x 1000000)) (= main_x 1000000)). Possible FailurePath: - UnprovableResult [Line: 16]: 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 27#(and (not (= main_x 1000000)) (not (< main_x 1000000))). 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 138.4 MB. Free memory was 108.2 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.01 ms. Allocated memory is still 138.4 MB. Free memory was 106.9 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.48 ms. Allocated memory is still 138.4 MB. Free memory was 104.7 MB in the beginning and 94.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 182.11 ms. Allocated memory is still 138.4 MB. Free memory was 94.0 MB in the beginning and 88.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...