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/nonlinear/NonlinearInvariant1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:25,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:25,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:25,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:25,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:25,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:25,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:25,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:25,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:25,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:25,143 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:25,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:25,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:25,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:25,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:25,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:25,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:25,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:25,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:25,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:25,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:25,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:25,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:25,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:25,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:25,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:25,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:25,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:25,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:25,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:25,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:25,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:25,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:25,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:25,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:25,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:25,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:25,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:25,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:25,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:25,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:25,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:25,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:25,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:25,212 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:25,212 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:25,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl [2019-08-09 14:13:25,213 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl' [2019-08-09 14:13:25,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:25,242 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:25,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:25,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:25,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:25,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:25" (1/1) ... [2019-08-09 14:13:25,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:25" (1/1) ... [2019-08-09 14:13:25,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:25" (1/1) ... [2019-08-09 14:13:25,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:25" (1/1) ... [2019-08-09 14:13:25,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:25" (1/1) ... [2019-08-09 14:13:25,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:25" (1/1) ... [2019-08-09 14:13:25,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:25" (1/1) ... [2019-08-09 14:13:25,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:25,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:25,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:25,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:25,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:25" (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 14:13:25,337 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:13:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:13:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:13:25,405 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-09 14:13:25,516 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:13:25,516 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:13:25,518 INFO L202 PluginConnector]: Adding new model NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:25 BoogieIcfgContainer [2019-08-09 14:13:25,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:25,518 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:25,519 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:25,519 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:25,520 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:25" (1/1) ... [2019-08-09 14:13:25,643 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:25,650 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:25,653 INFO L168 Benchmark]: Toolchain (without parser) took 410.03 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 89.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:25,655 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:13:25,656 INFO L168 Benchmark]: Boogie Preprocessor took 36.27 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 106.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:25,657 INFO L168 Benchmark]: RCFGBuilder took 238.85 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 95.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:25,658 INFO L168 Benchmark]: Symbolic Interpretation took 132.07 ms. Allocated memory is still 132.6 MB. Free memory was 95.7 MB in the beginning and 89.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:25,662 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 24#(and (not (> (* main_out1 main_out2) 0)) (= main_out2 main_tmp2) (= main_out1 main_tmp1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.27 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 106.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 238.85 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 95.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 132.07 ms. Allocated memory is still 132.6 MB. Free memory was 95.7 MB in the beginning and 89.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...