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/20170304-DifficultPathPrograms/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:17,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:17,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:17,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:17,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:17,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:17,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:17,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:17,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:17,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:17,796 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:17,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:17,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:17,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:17,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:17,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:17,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:17,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:17,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:17,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:17,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:17,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:17,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:17,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:17,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:17,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:17,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:17,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:17,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:17,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:17,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:17,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:17,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:17,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:17,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:17,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:17,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:17,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:17,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:17,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:17,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:17,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:17,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:17,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:17,917 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:17,918 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:17,919 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2019-08-09 14:10:17,919 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2019-08-09 14:10:17,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:17,974 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:17,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:17,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:17,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:18,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:17" (1/1) ... [2019-08-09 14:10:18,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:17" (1/1) ... [2019-08-09 14:10:18,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:17" (1/1) ... [2019-08-09 14:10:18,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:17" (1/1) ... [2019-08-09 14:10:18,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:17" (1/1) ... [2019-08-09 14:10:18,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:17" (1/1) ... [2019-08-09 14:10:18,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:17" (1/1) ... [2019-08-09 14:10:18,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:18,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:18,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:18,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:18,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:17" (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 [2019-08-09 14:10:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:18,322 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:18,323 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-09 14:10:18,324 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:18 BoogieIcfgContainer [2019-08-09 14:10:18,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:18,325 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:18,325 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:18,325 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:18,326 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:18" (1/1) ... [2019-08-09 14:10:18,498 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:18,507 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:18,510 INFO L168 Benchmark]: Toolchain (without parser) took 535.29 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 86.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:18,512 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:18,513 INFO L168 Benchmark]: Boogie Preprocessor took 53.70 ms. Allocated memory is still 137.9 MB. Free memory was 106.1 MB in the beginning and 104.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:18,514 INFO L168 Benchmark]: RCFGBuilder took 295.54 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 93.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:18,516 INFO L168 Benchmark]: Symbolic Interpretation took 182.67 ms. Allocated memory is still 137.9 MB. Free memory was 93.5 MB in the beginning and 86.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:18,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 80]: 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. Predicate is 44#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (< 0 ULTIMATE.start_main_~k~5) 1 0)) (< ULTIMATE.start_main_~j1~5 (+ ULTIMATE.start_main_~n0~5 ULTIMATE.start_main_~n1~5)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.70 ms. Allocated memory is still 137.9 MB. Free memory was 106.1 MB in the beginning and 104.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 295.54 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 93.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 182.67 ms. Allocated memory is still 137.9 MB. Free memory was 93.5 MB in the beginning and 86.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...