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/nested9.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:52,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:52,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:52,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:52,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:52,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:52,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:52,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:52,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:52,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:52,696 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:52,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:52,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:52,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:52,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:52,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:52,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:52,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:52,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:52,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:52,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:52,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:52,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:52,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:52,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:52,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:52,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:52,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:52,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:52,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:52,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:52,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:52,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:52,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:52,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:52,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:52,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:52,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:52,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:52,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:52,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:52,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:52,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:52,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:52,765 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:52,766 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:52,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested9.i_3.bpl [2019-08-09 14:09:52,767 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested9.i_3.bpl' [2019-08-09 14:09:52,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:52,806 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:52,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:52,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:52,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:52,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:52" (1/1) ... [2019-08-09 14:09:52,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:52" (1/1) ... [2019-08-09 14:09:52,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:52" (1/1) ... [2019-08-09 14:09:52,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:52" (1/1) ... [2019-08-09 14:09:52,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:52" (1/1) ... [2019-08-09 14:09:52,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:52" (1/1) ... [2019-08-09 14:09:52,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:52" (1/1) ... [2019-08-09 14:09:52,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:52,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:52,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:52,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:52,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:52" (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 14:09:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:53,146 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:53,146 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-09 14:09:53,151 INFO L202 PluginConnector]: Adding new model nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:53 BoogieIcfgContainer [2019-08-09 14:09:53,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:53,151 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:53,152 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:53,152 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:53,153 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:53" (1/1) ... [2019-08-09 14:09:53,344 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:53,356 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:53,359 INFO L168 Benchmark]: Toolchain (without parser) took 551.73 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 86.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:53,360 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:53,362 INFO L168 Benchmark]: Boogie Preprocessor took 43.00 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 105.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:53,363 INFO L168 Benchmark]: RCFGBuilder took 300.88 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 95.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:53,365 INFO L168 Benchmark]: Symbolic Interpretation took 204.54 ms. Allocated memory is still 139.5 MB. Free memory was 94.8 MB in the beginning and 86.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:53,372 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 30#(and (< ULTIMATE.start_main_~k~5 ULTIMATE.start_main_~j~5) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (< ULTIMATE.start_main_~j~5 (* 3 ULTIMATE.start_main_~i~5)) (or (and (< 0 (+ ULTIMATE.start_main_~m~5 1000000)) (<= 0 (+ ULTIMATE.start_main_~m~5 2147483648)) (<= ULTIMATE.start_main_~n~5 2147483647) (<= ULTIMATE.start_main_~m~5 2147483647) (< 0 (+ ULTIMATE.start_main_~n~5 1000000)) (< ULTIMATE.start_main_~l~5 1000000) (<= ULTIMATE.start_main_~l~5 2147483647) (< 0 (+ ULTIMATE.start_main_~l~5 1000000)) (= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~n~5 1000000) (< 0 ULTIMATE.start_main_~n~5) (< ULTIMATE.start_main_~m~5 1000000) (<= 0 (+ ULTIMATE.start_main_~l~5 2147483648)) (<= (* 3 ULTIMATE.start_main_~n~5) (+ ULTIMATE.start_main_~l~5 ULTIMATE.start_main_~m~5)) (<= 0 (+ ULTIMATE.start_main_~n~5 2147483648))) (and (< 0 (+ ULTIMATE.start_main_~m~5 1000000)) (<= 0 (+ ULTIMATE.start_main_~m~5 2147483648)) (<= ULTIMATE.start_main_~n~5 2147483647) (<= ULTIMATE.start_main_~m~5 2147483647) (< 0 (+ ULTIMATE.start_main_~n~5 1000000)) (< ULTIMATE.start_main_~l~5 1000000) (= ULTIMATE.start_main_~i~5 0) (<= ULTIMATE.start_main_~l~5 2147483647) (< 0 (+ ULTIMATE.start_main_~l~5 1000000)) (< ULTIMATE.start_main_~n~5 1000000) (< ULTIMATE.start_main_~m~5 1000000) (<= 0 (+ ULTIMATE.start_main_~l~5 2147483648)) (<= (* 3 ULTIMATE.start_main_~n~5) (+ ULTIMATE.start_main_~l~5 ULTIMATE.start_main_~m~5)) (<= 0 (+ ULTIMATE.start_main_~n~5 2147483648)))) (= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~j~5) (= ULTIMATE.start_main_~k~5 (+ ULTIMATE.start_main_~i~5 1)) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 0 (* 2 ULTIMATE.start_main_~n~5))) (and (< ULTIMATE.start_main_~j~5 (* 3 ULTIMATE.start_main_~i~5)) (or (and (< 0 (+ ULTIMATE.start_main_~m~5 1000000)) (<= 0 (+ ULTIMATE.start_main_~m~5 2147483648)) (<= ULTIMATE.start_main_~n~5 2147483647) (<= ULTIMATE.start_main_~m~5 2147483647) (< 0 (+ ULTIMATE.start_main_~n~5 1000000)) (< ULTIMATE.start_main_~l~5 1000000) (<= ULTIMATE.start_main_~l~5 2147483647) (< 0 (+ ULTIMATE.start_main_~l~5 1000000)) (= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~n~5 1000000) (< 0 ULTIMATE.start_main_~n~5) (< ULTIMATE.start_main_~m~5 1000000) (<= 0 (+ ULTIMATE.start_main_~l~5 2147483648)) (<= (* 3 ULTIMATE.start_main_~n~5) (+ ULTIMATE.start_main_~l~5 ULTIMATE.start_main_~m~5)) (<= 0 (+ ULTIMATE.start_main_~n~5 2147483648))) (and (< 0 (+ ULTIMATE.start_main_~m~5 1000000)) (<= 0 (+ ULTIMATE.start_main_~m~5 2147483648)) (<= ULTIMATE.start_main_~n~5 2147483647) (<= ULTIMATE.start_main_~m~5 2147483647) (< 0 (+ ULTIMATE.start_main_~n~5 1000000)) (< ULTIMATE.start_main_~l~5 1000000) (= ULTIMATE.start_main_~i~5 0) (<= ULTIMATE.start_main_~l~5 2147483647) (< 0 (+ ULTIMATE.start_main_~l~5 1000000)) (< ULTIMATE.start_main_~n~5 1000000) (< ULTIMATE.start_main_~m~5 1000000) (<= 0 (+ ULTIMATE.start_main_~l~5 2147483648)) (<= (* 3 ULTIMATE.start_main_~n~5) (+ ULTIMATE.start_main_~l~5 ULTIMATE.start_main_~m~5)) (<= 0 (+ ULTIMATE.start_main_~n~5 2147483648)))) (= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (= ULTIMATE.start_main_~k~5 ULTIMATE.start_main_~i~5) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5))) (or (and (<= ULTIMATE.start_main_~k~5 (+ (* 2 ULTIMATE.start_main_~n~5) ULTIMATE.start_main_~i~5)) (= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) (and (not (<= ULTIMATE.start_main_~k~5 (+ (* 2 ULTIMATE.start_main_~n~5) ULTIMATE.start_main_~i~5))) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|)))). Possible FailurePath: * 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 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.00 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 105.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.88 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 95.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 204.54 ms. Allocated memory is still 139.5 MB. Free memory was 94.8 MB in the beginning and 86.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...