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/toy/ImpulseTest.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:12:55,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:55,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:55,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:55,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:55,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:55,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:55,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:55,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:55,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:55,343 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:55,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:55,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:55,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:55,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:55,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:55,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:55,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:55,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:55,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:55,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:55,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:55,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:55,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:55,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:55,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:55,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:55,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:55,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:55,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:55,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:55,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:55,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:55,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:55,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:55,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:55,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:55,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:55,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:55,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:55,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:55,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:55,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:55,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:55,474 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:55,475 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:55,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/ImpulseTest.bpl [2019-08-05 18:12:55,476 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/ImpulseTest.bpl' [2019-08-05 18:12:55,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:55,513 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:55,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:55,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:55,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:55,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:55" (1/1) ... [2019-08-05 18:12:55,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:55" (1/1) ... [2019-08-05 18:12:55,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:55" (1/1) ... [2019-08-05 18:12:55,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:55" (1/1) ... [2019-08-05 18:12:55,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:55" (1/1) ... [2019-08-05 18:12:55,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:55" (1/1) ... [2019-08-05 18:12:55,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:55" (1/1) ... [2019-08-05 18:12:55,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:55,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:55,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:55,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:55,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:55" (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 18:12:55,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:12:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:12:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:12:55,922 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:55,922 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 18:12:55,924 INFO L202 PluginConnector]: Adding new model ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:55 BoogieIcfgContainer [2019-08-05 18:12:55,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:55,924 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:55,925 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:55,925 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:55,926 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ImpulseTest.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:55" (1/1) ... [2019-08-05 18:12:55,937 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:55,940 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:55,947 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 18:12:55,956 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:55,958 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 18:12:56,136 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:56,136 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:56,140 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 122#(or (= (- 1) foo_y) (= (- 1) foo_x)) [2019-08-05 18:12:56,141 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:56,148 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:56,151 INFO L168 Benchmark]: Toolchain (without parser) took 637.45 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 91.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:56,153 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:56,154 INFO L168 Benchmark]: Boogie Preprocessor took 51.17 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:56,156 INFO L168 Benchmark]: RCFGBuilder took 358.65 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 98.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:56,157 INFO L168 Benchmark]: Symbolic Interpretation took 224.31 ms. Allocated memory is still 133.7 MB. Free memory was 98.6 MB in the beginning and 91.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:56,161 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 24]: 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 0.26 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.17 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 358.65 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 98.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 224.31 ms. Allocated memory is still 133.7 MB. Free memory was 98.6 MB in the beginning and 91.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...