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/unsafeLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:41,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:41,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:41,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:41,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:41,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:41,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:41,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:41,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:41,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:41,416 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:41,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:41,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:41,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:41,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:41,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:41,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:41,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:41,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:41,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:41,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:41,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:41,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:41,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:41,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:41,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:41,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:41,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:41,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:41,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:41,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:41,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:41,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:41,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:41,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:41,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:41,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:41,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:41,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:41,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:41,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:41,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:41,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:41,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:41,486 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:41,487 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:41,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/unsafeLoop.bpl [2019-08-05 12:07:41,488 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/unsafeLoop.bpl' [2019-08-05 12:07:41,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:41,520 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:41,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:41,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:41,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:41,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:41,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:41,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:41,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:41,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (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 12:07:41,638 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:41,868 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:41,868 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:41,869 INFO L202 PluginConnector]: Adding new model unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:41 BoogieIcfgContainer [2019-08-05 12:07:41,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:41,870 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:41,870 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:41,871 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:41,873 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,884 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:07:41,887 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:41,894 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:41,902 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:41,904 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:42,156 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-08-05 12:07:42,311 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:42,311 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:42,315 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (< main_x 1000001) (not (< main_x 1000000))) [2019-08-05 12:07:42,324 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:42,327 INFO L168 Benchmark]: Toolchain (without parser) took 806.25 ms. Allocated memory is still 140.0 MB. Free memory was 108.5 MB in the beginning and 86.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,328 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,331 INFO L168 Benchmark]: Boogie Preprocessor took 47.13 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,333 INFO L168 Benchmark]: RCFGBuilder took 301.84 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 97.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,334 INFO L168 Benchmark]: Symbolic Interpretation took 454.28 ms. Allocated memory is still 140.0 MB. Free memory was 97.3 MB in the beginning and 86.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 12]: 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 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.13 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.84 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 97.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 454.28 ms. Allocated memory is still 140.0 MB. Free memory was 97.3 MB in the beginning and 86.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...