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/loopAccelerationWerner/twoLoopsDifferentVars.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:52,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:52,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:52,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:52,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:52,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:52,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:52,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:52,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:52,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:52,937 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:52,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:52,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:52,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:52,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:52,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:52,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:52,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:52,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:52,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:52,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:52,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:52,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:52,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:52,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:52,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:52,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:52,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:52,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:52,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:52,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:52,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:52,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:52,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:52,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:52,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:52,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:52,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:52,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:52,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:52,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:53,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:53,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:53,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:53,023 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:53,024 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:53,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsDifferentVars.bpl [2019-08-06 16:59:53,025 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsDifferentVars.bpl' [2019-08-06 16:59:53,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:53,056 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:53,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:53,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:53,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:53,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:53,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:53,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:53,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:53,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (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 16:59:53,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:53,483 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:53,483 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:53,485 INFO L202 PluginConnector]: Adding new model twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:53 BoogieIcfgContainer [2019-08-06 16:59:53,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:53,485 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:53,485 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:53,486 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:53,487 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoopsDifferentVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,498 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:53,501 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:53,508 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:53,521 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:53,524 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:53,607 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:53,607 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:53,610 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 31#(and (not (= main_x 5000)) (not (< main_x 5000)) (< main_x 5001)) [2019-08-06 16:59:53,610 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 28#(and (not (= main_y 10000)) (< main_y 10001) (not (< main_x 5000)) (= main_x 5000) (not (< main_y 10000)) (< main_x 5001)) [2019-08-06 16:59:53,612 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:53,619 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:53,622 INFO L168 Benchmark]: Toolchain (without parser) took 564.78 ms. Allocated memory is still 140.5 MB. Free memory was 109.0 MB in the beginning and 91.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,624 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,625 INFO L168 Benchmark]: Boogie Preprocessor took 48.58 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,626 INFO L168 Benchmark]: RCFGBuilder took 379.29 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 97.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,627 INFO L168 Benchmark]: Symbolic Interpretation took 133.96 ms. Allocated memory is still 140.5 MB. Free memory was 97.2 MB in the beginning and 92.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,631 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.. Possible FailurePath: - UnprovableResult [Line: 22]: 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 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.58 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.29 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 97.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 133.96 ms. Allocated memory is still 140.5 MB. Free memory was 97.2 MB in the beginning and 92.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...