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/tooDifficultLoopInvariant/codeblockAssertOrder01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:55,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:55,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:55,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:55,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:55,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:55,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:55,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:55,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:55,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:55,117 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:55,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:55,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:55,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:55,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:55,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:55,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:55,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:55,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:55,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:55,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:55,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:55,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:55,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:55,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:55,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:55,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:55,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:55,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:55,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:55,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:55,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:55,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:55,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:55,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:55,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:55,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:55,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:55,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:55,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:55,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:55,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:55,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:55,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:55,192 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:55,193 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:55,194 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/codeblockAssertOrder01.bpl [2019-08-09 14:13:55,194 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/codeblockAssertOrder01.bpl' [2019-08-09 14:13:55,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:55,228 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:55,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:55,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:55,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:55,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:55" (1/1) ... [2019-08-09 14:13:55,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:55" (1/1) ... [2019-08-09 14:13:55,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:55" (1/1) ... [2019-08-09 14:13:55,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:55" (1/1) ... [2019-08-09 14:13:55,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:55" (1/1) ... [2019-08-09 14:13:55,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:55" (1/1) ... [2019-08-09 14:13:55,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:55" (1/1) ... [2019-08-09 14:13:55,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:55,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:55,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:55,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:55,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:55" (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 [2019-08-09 14:13:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:13:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:13:55,506 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:13:55,506 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:13:55,508 INFO L202 PluginConnector]: Adding new model codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:55 BoogieIcfgContainer [2019-08-09 14:13:55,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:55,508 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:55,508 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:55,509 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:55,510 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:55" (1/1) ... [2019-08-09 14:13:55,833 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-08-09 14:13:55,838 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:55,850 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:55,853 INFO L168 Benchmark]: Toolchain (without parser) took 624.42 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 88.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:55,854 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:13:55,855 INFO L168 Benchmark]: Boogie Preprocessor took 44.68 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:55,857 INFO L168 Benchmark]: RCFGBuilder took 234.16 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 97.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:55,858 INFO L168 Benchmark]: Symbolic Interpretation took 342.35 ms. Allocated memory is still 132.1 MB. Free memory was 97.1 MB in the beginning and 88.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:55,862 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 21]: 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 23#(and (< main_p 43) (< 41 main_q) (< 41 main_p) (= (select main_a main_p) 5) (not (= (select main_a main_q) 5)) (not (<= main_i 1000)) (< main_q 43)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.68 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.16 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 97.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 342.35 ms. Allocated memory is still 132.1 MB. Free memory was 97.1 MB in the beginning and 88.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...