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/half_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:34,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:34,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:34,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:34,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:34,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:34,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:34,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:34,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:34,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:34,026 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:34,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:34,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:34,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:34,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:34,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:34,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:34,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:34,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:34,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:34,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:34,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:34,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:34,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:34,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:34,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:34,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:34,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:34,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:34,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:34,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:34,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:34,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:34,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:34,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:34,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:34,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:34,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:34,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:34,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:34,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:34,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:34,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:34,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:34,124 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:34,125 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:34,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl [2019-08-06 16:52:34,126 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl' [2019-08-06 16:52:34,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:34,167 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:34,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:34,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:34,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:34,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:34,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:34,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:34,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:34,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:34" (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 16:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:34,567 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:34,567 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:52:34,569 INFO L202 PluginConnector]: Adding new model half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:34 BoogieIcfgContainer [2019-08-06 16:52:34,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:34,570 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:34,570 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:34,570 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:34,572 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:34" (1/1) ... [2019-08-06 16:52:34,584 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:34,591 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:34,601 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:34,611 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:34,612 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:34,736 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:34,737 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:34,740 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (< 0 ULTIMATE.start_main_~k~5) 1 0)) (< ULTIMATE.start_main_~j~5 (ite (and (not (= (mod ULTIMATE.start_main_~n~5 2) 0)) (< ULTIMATE.start_main_~n~5 0)) (+ (div ULTIMATE.start_main_~n~5 2) 1) (div ULTIMATE.start_main_~n~5 2))) (< 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)) [2019-08-06 16:52:34,741 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:34,750 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:34,753 INFO L168 Benchmark]: Toolchain (without parser) took 584.52 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 90.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,754 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:52:34,755 INFO L168 Benchmark]: Boogie Preprocessor took 45.79 ms. Allocated memory is still 140.5 MB. Free memory was 107.2 MB in the beginning and 105.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,756 INFO L168 Benchmark]: RCFGBuilder took 355.16 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 95.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,757 INFO L168 Benchmark]: Symbolic Interpretation took 179.86 ms. Allocated memory is still 140.5 MB. Free memory was 95.5 MB in the beginning and 90.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:34,761 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 0.24 ms. Allocated memory is still 140.5 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.79 ms. Allocated memory is still 140.5 MB. Free memory was 107.2 MB in the beginning and 105.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 355.16 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 95.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 179.86 ms. Allocated memory is still 140.5 MB. Free memory was 95.5 MB in the beginning and 90.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...