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/Interactive/input/boogie/stmt-multiassign-bug.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:05:07,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:05:07,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:05:07,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:05:07,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:05:07,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:05:07,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:05:07,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:05:07,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:05:07,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:05:07,724 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:05:07,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:05:07,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:05:07,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:05:07,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:05:07,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:05:07,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:05:07,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:05:07,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:05:07,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:05:07,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:05:07,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:05:07,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:05:07,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:05:07,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:05:07,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:05:07,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:05:07,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:05:07,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:05:07,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:05:07,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:05:07,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:05:07,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:05:07,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:05:07,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:05:07,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:05:07,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:05:07,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:05:07,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:05:07,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:05:07,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:05:07,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:05:07,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:05:07,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:05:07,842 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:05:07,843 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:05:07,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Interactive/input/boogie/stmt-multiassign-bug.bpl [2019-08-05 18:05:07,844 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Interactive/input/boogie/stmt-multiassign-bug.bpl' [2019-08-05 18:05:07,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:05:07,877 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:05:07,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:05:07,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:05:07,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:05:07,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:07" (1/1) ... [2019-08-05 18:05:07,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:07" (1/1) ... [2019-08-05 18:05:07,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:07" (1/1) ... [2019-08-05 18:05:07,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:07" (1/1) ... [2019-08-05 18:05:07,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:07" (1/1) ... [2019-08-05 18:05:07,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:07" (1/1) ... [2019-08-05 18:05:07,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:07" (1/1) ... [2019-08-05 18:05:07,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:05:07,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:05:07,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:05:07,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:05:07,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:07" (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 18:05:07,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:05:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:05:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:05:08,247 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:05:08,247 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:05:08,248 INFO L202 PluginConnector]: Adding new model stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:05:08 BoogieIcfgContainer [2019-08-05 18:05:08,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:05:08,249 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:05:08,249 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:05:08,250 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:05:08,250 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-multiassign-bug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:05:08" (1/1) ... [2019-08-05 18:05:08,262 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-05 18:05:08,265 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:05:08,272 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:05:08,280 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:05:08,281 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:05:08,318 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:05:08,319 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:05:08,321 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 14#false [2019-08-05 18:05:08,322 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT has predicate 8#(and (= 3 ULTIMATE.start_y) (= 5 ULTIMATE.start_z) (not (< 3 ULTIMATE.start_x)) (not ULTIMATE.start_b) (<= 0 ULTIMATE.start_x) (<= ULTIMATE.start_x 10) (or (and (not (<= ULTIMATE.start_x ULTIMATE.start_y)) (not ULTIMATE.start_b)) (and (<= ULTIMATE.start_x ULTIMATE.start_y) ULTIMATE.start_b))) [2019-08-05 18:05:08,322 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT has predicate 11#false [2019-08-05 18:05:08,324 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:05:08,331 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:05:08,334 INFO L168 Benchmark]: Toolchain (without parser) took 455.92 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 94.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:08,336 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:05:08,337 INFO L168 Benchmark]: Boogie Preprocessor took 40.71 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:08,338 INFO L168 Benchmark]: RCFGBuilder took 329.59 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 98.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:08,339 INFO L168 Benchmark]: Symbolic Interpretation took 82.39 ms. Allocated memory is still 133.7 MB. Free memory was 98.6 MB in the beginning and 94.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:08,343 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 - 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: - PositiveResult [Line: 13]: assertion always holds For all program executions holds that assertion always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.71 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.59 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 98.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 82.39 ms. Allocated memory is still 133.7 MB. Free memory was 98.6 MB in the beginning and 94.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...