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/errorLocalization/loopNondet2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:14:33,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:33,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:33,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:33,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:33,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:33,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:33,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:33,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:33,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:33,135 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:33,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:33,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:33,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:33,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:33,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:33,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:33,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:33,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:33,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:33,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:33,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:33,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:33,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:33,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:33,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:33,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:33,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:33,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:33,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:33,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:33,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:33,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:33,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:33,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:33,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:33,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:33,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:33,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:33,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:33,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:33,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:33,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:33,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:33,228 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:33,228 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:33,229 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/loopNondet2.bpl [2019-08-09 14:14:33,230 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/loopNondet2.bpl' [2019-08-09 14:14:33,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:33,255 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:33,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:33,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:33,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:33,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:33" (1/1) ... [2019-08-09 14:14:33,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:33" (1/1) ... [2019-08-09 14:14:33,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:33" (1/1) ... [2019-08-09 14:14:33,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:33" (1/1) ... [2019-08-09 14:14:33,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:33" (1/1) ... [2019-08-09 14:14:33,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:33" (1/1) ... [2019-08-09 14:14:33,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:33" (1/1) ... [2019-08-09 14:14:33,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:33,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:33,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:33,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:33,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:33" (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 14:14:33,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:14:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:14:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:14:33,486 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:33,487 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:14:33,488 INFO L202 PluginConnector]: Adding new model loopNondet2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:33 BoogieIcfgContainer [2019-08-09 14:14:33,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:33,490 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:33,490 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:33,490 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:33,491 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loopNondet2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:33" (1/1) ... [2019-08-09 14:14:33,626 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:33,635 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:33,639 INFO L168 Benchmark]: Toolchain (without parser) took 381.24 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 94.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:33,642 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:33,643 INFO L168 Benchmark]: Boogie Preprocessor took 41.00 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:33,645 INFO L168 Benchmark]: RCFGBuilder took 191.62 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 98.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:33,647 INFO L168 Benchmark]: Symbolic Interpretation took 145.93 ms. Allocated memory is still 132.1 MB. Free memory was 98.1 MB in the beginning and 94.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:33,653 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 13]: 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 8#(not (= main_x 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.00 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 191.62 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 98.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 145.93 ms. Allocated memory is still 132.1 MB. Free memory was 98.1 MB in the beginning and 94.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...