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-if-2states-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:04,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:04,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:04,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:04,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:04,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:04,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:04,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:04,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:04,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:04,930 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:04,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:04,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:04,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:04,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:04,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:04,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:04,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:04,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:04,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:04,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:04,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:04,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:04,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:04,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:04,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:04,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:04,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:04,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:04,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:04,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:04,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:04,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:04,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:04,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:04,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:04,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:04,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:04,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:04,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:04,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:05,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:05,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:05,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:05,026 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:05,027 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:05,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-if-2states-safe.bpl [2019-08-06 16:59:05,028 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-if-2states-safe.bpl' [2019-08-06 16:59:05,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:05,060 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:05,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:05,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:05,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:05,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:05" (1/1) ... [2019-08-06 16:59:05,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:05" (1/1) ... [2019-08-06 16:59:05,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:05" (1/1) ... [2019-08-06 16:59:05,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:05" (1/1) ... [2019-08-06 16:59:05,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:05" (1/1) ... [2019-08-06 16:59:05,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:05" (1/1) ... [2019-08-06 16:59:05,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:05" (1/1) ... [2019-08-06 16:59:05,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:05,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:05,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:05,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:05,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:05" (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 16:59:05,175 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:59:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:59:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:59:05,559 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:59:05,559 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:05,561 INFO L202 PluginConnector]: Adding new model stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:05 BoogieIcfgContainer [2019-08-06 16:59:05,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:05,564 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:05,564 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:05,564 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:05,566 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-if-2states-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:05" (1/1) ... [2019-08-06 16:59:05,588 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:05,593 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:05,602 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:59:05,616 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:05,621 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:59:05,693 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:05,693 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:05,697 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= 0 ULTIMATE.start_x) (exists ((v_ULTIMATE.start_x_16 Int)) (and (= ULTIMATE.start_x (* 2 v_ULTIMATE.start_x_16)) (or (= 1 v_ULTIMATE.start_x_16) (= (- 1) v_ULTIMATE.start_x_16))))) [2019-08-06 16:59:05,698 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:05,706 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:05,709 INFO L168 Benchmark]: Toolchain (without parser) took 648.29 ms. Allocated memory is still 132.6 MB. Free memory was 109.1 MB in the beginning and 92.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:05,711 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:05,713 INFO L168 Benchmark]: Boogie Preprocessor took 40.78 ms. Allocated memory is still 132.6 MB. Free memory was 109.1 MB in the beginning and 107.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:05,714 INFO L168 Benchmark]: RCFGBuilder took 461.65 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 96.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:05,715 INFO L168 Benchmark]: Symbolic Interpretation took 142.61 ms. Allocated memory is still 132.6 MB. Free memory was 96.7 MB in the beginning and 92.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:05,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: 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 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.78 ms. Allocated memory is still 132.6 MB. Free memory was 109.1 MB in the beginning and 107.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 461.65 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 96.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 142.61 ms. Allocated memory is still 132.6 MB. Free memory was 96.7 MB in the beginning and 92.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...