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/loopWithAssertion.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:17:07,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:17:07,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:17:07,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:17:07,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:17:07,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:17:07,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:17:07,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:17:07,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:17:07,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:17:07,895 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:17:07,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:17:07,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:17:07,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:17:07,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:17:07,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:17:07,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:17:07,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:17:07,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:17:07,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:17:07,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:17:07,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:17:07,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:17:07,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:17:07,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:17:07,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:17:07,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:17:07,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:17:07,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:17:07,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:17:07,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:17:07,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:17:07,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:17:07,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:17:07,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:17:07,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:17:07,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:17:07,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:17:07,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:17:07,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:17:07,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:17:07,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:17:08,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:17:08,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:17:08,021 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:17:08,022 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:17:08,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithAssertion.bpl [2019-08-05 18:17:08,023 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithAssertion.bpl' [2019-08-05 18:17:08,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:17:08,054 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:17:08,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:17:08,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:17:08,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:17:08,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:08" (1/1) ... [2019-08-05 18:17:08,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:08" (1/1) ... [2019-08-05 18:17:08,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:08" (1/1) ... [2019-08-05 18:17:08,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:08" (1/1) ... [2019-08-05 18:17:08,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:08" (1/1) ... [2019-08-05 18:17:08,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:08" (1/1) ... [2019-08-05 18:17:08,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:08" (1/1) ... [2019-08-05 18:17:08,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:17:08,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:17:08,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:17:08,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:17:08,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:08" (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 18:17:08,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:17:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:17:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:17:08,417 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:17:08,417 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:17:08,418 INFO L202 PluginConnector]: Adding new model loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:08 BoogieIcfgContainer [2019-08-05 18:17:08,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:17:08,419 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:17:08,419 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:17:08,419 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:17:08,420 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:08" (1/1) ... [2019-08-05 18:17:08,431 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:17:08,434 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:17:08,441 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:17:08,449 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:17:08,450 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:17:08,534 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:17:08,534 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:17:08,537 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 26#(and (< main_x 1001) (< main_x 1002) (not (< main_x 1000))) [2019-08-05 18:17:08,538 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:17:08,545 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:17:08,548 INFO L168 Benchmark]: Toolchain (without parser) took 493.09 ms. Allocated memory is still 140.0 MB. Free memory was 108.5 MB in the beginning and 92.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:08,549 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:17:08,551 INFO L168 Benchmark]: Boogie Preprocessor took 49.18 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:08,552 INFO L168 Benchmark]: RCFGBuilder took 313.95 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 97.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:08,553 INFO L168 Benchmark]: Symbolic Interpretation took 126.69 ms. Allocated memory is still 140.0 MB. Free memory was 97.2 MB in the beginning and 92.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:08,558 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 11]: 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 140.0 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.18 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 313.95 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 97.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 126.69 ms. Allocated memory is still 140.0 MB. Free memory was 97.2 MB in the beginning and 92.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...