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/TerminatorGulwani.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:03,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:03,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:03,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:03,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:03,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:03,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:03,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:03,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:03,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:03,859 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:03,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:03,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:03,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:03,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:03,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:03,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:03,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:03,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:03,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:03,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:03,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:03,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:03,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:03,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:03,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:03,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:03,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:03,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:03,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:03,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:03,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:03,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:03,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:03,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:03,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:03,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:03,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:03,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:03,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:03,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:03,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:03,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:03,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:03,933 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:03,933 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:03,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TerminatorGulwani.bpl [2019-08-06 16:55:03,936 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TerminatorGulwani.bpl' [2019-08-06 16:55:03,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:03,974 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:03,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:03,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:03,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:03,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:03" (1/1) ... [2019-08-06 16:55:03,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:03" (1/1) ... [2019-08-06 16:55:04,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:03" (1/1) ... [2019-08-06 16:55:04,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:03" (1/1) ... [2019-08-06 16:55:04,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:03" (1/1) ... [2019-08-06 16:55:04,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:03" (1/1) ... [2019-08-06 16:55:04,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:03" (1/1) ... [2019-08-06 16:55:04,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:04,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:04,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:04,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:04,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:03" (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 16:55:04,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Terminator given in one single declaration [2019-08-06 16:55:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure Terminator [2019-08-06 16:55:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure Terminator [2019-08-06 16:55:04,350 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:04,350 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:04,352 INFO L202 PluginConnector]: Adding new model TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:04 BoogieIcfgContainer [2019-08-06 16:55:04,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:04,352 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:04,353 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:04,353 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:04,354 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TerminatorGulwani.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:04" (1/1) ... [2019-08-06 16:55:04,366 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:04,370 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:04,377 INFO L160 IcfgInterpreter]: Initial procedures are [Terminator] [2019-08-06 16:55:04,390 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:04,397 INFO L185 IcfgInterpreter]: Interpreting procedure Terminator with input of size 1 [2019-08-06 16:55:04,613 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:04,613 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:04,620 INFO L179 IcfgInterpreter]: Location TerminatorErr0ASSERT_VIOLATIONASSERT has predicate 26#(and (or (not (< Terminator_tmpAlt Terminator_tmp)) (not (<= Terminator_tmpAlt Terminator_maxId))) (not (= Terminator_id Terminator_tmp)) (= Terminator_pcAlt 1) (exists ((v_Terminator_pcAlt_17 Int) (v_Terminator_tmpAlt_14 Int) (v_Terminator_tmp_21 Int)) (and (or (and (not (<= v_Terminator_tmp_21 Terminator_maxId)) (= 0 Terminator_tmp)) (and (= Terminator_tmp (+ v_Terminator_tmp_21 1)) (<= v_Terminator_tmp_21 Terminator_maxId))) (not (= v_Terminator_tmp_21 Terminator_id)) (or (and (= Terminator_pcAlt v_Terminator_pcAlt_17) (= v_Terminator_tmpAlt_14 Terminator_tmpAlt)) (and (= Terminator_pcAlt v_Terminator_pcAlt_17) (not (= 0 v_Terminator_pcAlt_17)) (= v_Terminator_tmpAlt_14 Terminator_tmpAlt)) (and (= v_Terminator_tmp_21 Terminator_tmpAlt) (= 0 v_Terminator_pcAlt_17) (= Terminator_pcAlt 1))) (or (not (= 1 v_Terminator_pcAlt_17)) (and (< Terminator_id v_Terminator_tmpAlt_14) (<= v_Terminator_tmp_21 Terminator_id)) (and (< v_Terminator_tmpAlt_14 v_Terminator_tmp_21) (<= v_Terminator_tmpAlt_14 Terminator_maxId))))) (or (not (< Terminator_id Terminator_tmpAlt)) (not (<= Terminator_tmp Terminator_id)))) [2019-08-06 16:55:04,621 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:04,631 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:04,634 INFO L168 Benchmark]: Toolchain (without parser) took 658.70 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 86.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:04,636 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. [2019-08-06 16:55:04,639 INFO L168 Benchmark]: Boogie Preprocessor took 39.35 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:04,640 INFO L168 Benchmark]: RCFGBuilder took 337.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 92.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:04,641 INFO L168 Benchmark]: Symbolic Interpretation took 278.62 ms. Allocated memory is still 138.4 MB. Free memory was 92.1 MB in the beginning and 86.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:04,646 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 24]: 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 39.35 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 337.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 92.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 278.62 ms. Allocated memory is still 138.4 MB. Free memory was 92.1 MB in the beginning and 86.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...