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/dangerInvariants/assertVariable.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:45,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:45,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:45,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:45,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:45,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:45,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:45,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:45,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:45,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:45,153 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:45,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:45,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:45,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:45,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:45,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:45,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:45,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:45,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:45,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:45,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:45,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:45,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:45,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:45,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:45,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:45,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:45,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:45,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:45,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:45,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:45,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:45,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:45,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:45,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:45,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:45,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:45,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:45,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:45,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:45,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:45,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:45,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:45,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:45,226 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:45,227 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:45,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/assertVariable.bpl [2019-08-06 16:59:45,228 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/assertVariable.bpl' [2019-08-06 16:59:45,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:45,260 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:45,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:45,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:45,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:45,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:45" (1/1) ... [2019-08-06 16:59:45,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:45" (1/1) ... [2019-08-06 16:59:45,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:45" (1/1) ... [2019-08-06 16:59:45,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:45" (1/1) ... [2019-08-06 16:59:45,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:45" (1/1) ... [2019-08-06 16:59:45,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:45" (1/1) ... [2019-08-06 16:59:45,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:45" (1/1) ... [2019-08-06 16:59:45,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:45,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:45,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:45,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:45,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:45" (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 [2019-08-06 16:59:45,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:45,516 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:45,516 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:45,518 INFO L202 PluginConnector]: Adding new model assertVariable.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:45 BoogieIcfgContainer [2019-08-06 16:59:45,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:45,519 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:45,519 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:45,519 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:45,520 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "assertVariable.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:45" (1/1) ... [2019-08-06 16:59:45,531 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:45,534 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:45,540 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:45,548 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:45,550 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:45,586 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:45,586 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:45,589 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= main_x 0)) (= main_x 1)) [2019-08-06 16:59:45,591 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:45,598 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:45,601 INFO L168 Benchmark]: Toolchain (without parser) took 340.03 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 93.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:45,603 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:59:45,605 INFO L168 Benchmark]: Boogie Preprocessor took 37.71 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:45,606 INFO L168 Benchmark]: RCFGBuilder took 219.63 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 96.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:45,607 INFO L168 Benchmark]: Symbolic Interpretation took 79.46 ms. Allocated memory is still 139.5 MB. Free memory was 96.9 MB in the beginning and 93.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:45,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: 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 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.71 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 219.63 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 96.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 79.46 ms. Allocated memory is still 139.5 MB. Free memory was 96.9 MB in the beginning and 93.1 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...