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/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:06,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:06,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:06,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:06,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:06,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:06,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:06,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:06,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:06,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:06,528 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:06,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:06,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:06,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:06,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:06,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:06,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:06,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:06,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:06,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:06,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:06,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:06,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:06,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:06,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:06,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:06,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:06,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:06,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:06,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:06,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:06,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:06,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:06,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:06,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:06,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:06,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:06,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:06,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:06,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:06,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:06,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:06,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:06,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:06,620 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:06,621 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:06,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2019-08-06 16:56:06,623 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl' [2019-08-06 16:56:06,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:06,668 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:06,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:06,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:06,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:06,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:06" (1/1) ... [2019-08-06 16:56:06,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:06" (1/1) ... [2019-08-06 16:56:06,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:06" (1/1) ... [2019-08-06 16:56:06,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:06" (1/1) ... [2019-08-06 16:56:06,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:06" (1/1) ... [2019-08-06 16:56:06,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:06" (1/1) ... [2019-08-06 16:56:06,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:06" (1/1) ... [2019-08-06 16:56:06,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:06,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:06,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:06,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:06,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:06" (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 16:56:06,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:56:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:56:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:56:06,997 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:56:06,997 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:06,998 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:06 BoogieIcfgContainer [2019-08-06 16:56:06,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:06,999 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:06,999 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:06,999 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:07,000 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:06" (1/1) ... [2019-08-06 16:56:07,012 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:07,015 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:07,022 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:56:07,030 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:07,031 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:56:07,112 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:07,112 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:07,115 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (< ULTIMATE.start_main_~i~5 (+ ULTIMATE.start_main_~n~5 2)) (= ULTIMATE.start_main_~j~5 0) (not (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~j~5 (div ULTIMATE.start_main_~n~5 2)) (<= 0 (+ ULTIMATE.start_main_~n~5 2)) (not (< 0 ULTIMATE.start_main_~k~5)) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2019-08-06 16:56:07,116 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:07,124 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:07,127 INFO L168 Benchmark]: Toolchain (without parser) took 457.57 ms. Allocated memory is still 132.6 MB. Free memory was 107.7 MB in the beginning and 91.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:07,128 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:07,129 INFO L168 Benchmark]: Boogie Preprocessor took 45.47 ms. Allocated memory is still 132.6 MB. Free memory was 107.5 MB in the beginning and 105.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:07,131 INFO L168 Benchmark]: RCFGBuilder took 283.77 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 96.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:07,132 INFO L168 Benchmark]: Symbolic Interpretation took 124.86 ms. Allocated memory is still 132.6 MB. Free memory was 96.1 MB in the beginning and 91.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:07,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 51]: 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 0.27 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.47 ms. Allocated memory is still 132.6 MB. Free memory was 107.5 MB in the beginning and 105.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 283.77 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 96.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 124.86 ms. Allocated memory is still 132.6 MB. Free memory was 96.1 MB in the beginning and 91.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...