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/abstractInterpretation/regression/all/stmt-varupdate-assume-easy.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:20,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:20,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:20,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:20,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:20,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:20,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:20,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:20,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:20,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:20,211 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:20,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:20,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:20,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:20,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:20,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:20,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:20,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:20,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:20,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:20,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:20,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:20,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:20,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:20,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:20,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:20,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:20,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:20,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:20,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:20,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:20,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:20,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:20,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:20,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:20,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:20,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:20,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:20,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:20,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:20,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:20,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:20,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:20,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:20,296 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:20,296 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:20,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-varupdate-assume-easy.bpl [2019-08-05 18:16:20,298 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-varupdate-assume-easy.bpl' [2019-08-05 18:16:20,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:20,331 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:20,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:20,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:20,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:20,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:20,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:20,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:20,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:20,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:20" (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 18:16:20,454 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:16:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:16:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:16:20,624 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:16:20,624 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:20,626 INFO L202 PluginConnector]: Adding new model stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:20 BoogieIcfgContainer [2019-08-05 18:16:20,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:20,627 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:20,627 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:20,627 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:20,628 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-varupdate-assume-easy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:20" (1/1) ... [2019-08-05 18:16:20,639 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-05 18:16:20,642 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:20,652 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:16:20,662 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:20,663 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:16:20,715 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:20,715 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:20,718 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 14#false [2019-08-05 18:16:20,718 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT has predicate 11#false [2019-08-05 18:16:20,719 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT has predicate 8#(and (= 3 ULTIMATE.start_y) (<= 0 ULTIMATE.start_x) (= (- ULTIMATE.start_y) (- ULTIMATE.start_x)) (= 3 ULTIMATE.start_x) (<= ULTIMATE.start_x 10)) [2019-08-05 18:16:20,720 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:20,727 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:20,729 INFO L168 Benchmark]: Toolchain (without parser) took 397.58 ms. Allocated memory is still 138.4 MB. Free memory was 107.0 MB in the beginning and 90.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:20,731 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:20,732 INFO L168 Benchmark]: Boogie Preprocessor took 45.34 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:20,733 INFO L168 Benchmark]: RCFGBuilder took 248.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.7 MB in the beginning and 94.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:20,734 INFO L168 Benchmark]: Symbolic Interpretation took 100.45 ms. Allocated memory is still 138.4 MB. Free memory was 94.4 MB in the beginning and 90.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:20,737 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 13]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 14]: 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 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.34 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 248.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.7 MB in the beginning and 94.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 100.45 ms. Allocated memory is still 138.4 MB. Free memory was 94.4 MB in the beginning and 90.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...