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/interleave_bits.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:51:40,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:51:40,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:51:40,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:51:40,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:51:40,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:51:40,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:51:40,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:51:40,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:51:40,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:51:40,857 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:51:40,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:51:40,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:51:40,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:51:40,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:51:40,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:51:40,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:51:40,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:51:40,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:51:40,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:51:40,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:51:40,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:51:40,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:51:40,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:51:40,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:51:40,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:51:40,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:51:40,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:51:40,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:51:40,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:51:40,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:51:40,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:51:40,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:51:40,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:51:40,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:51:40,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:51:40,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:51:40,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:51:40,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:51:40,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:51:40,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:51:40,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:51:40,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:51:40,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:51:40,936 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:51:40,937 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:51:40,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/interleave_bits.i_3.bpl [2019-08-06 16:51:40,938 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/interleave_bits.i_3.bpl' [2019-08-06 16:51:40,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:51:40,980 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:51:40,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:51:40,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:51:40,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:51:41,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:40" (1/1) ... [2019-08-06 16:51:41,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:40" (1/1) ... [2019-08-06 16:51:41,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:40" (1/1) ... [2019-08-06 16:51:41,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:40" (1/1) ... [2019-08-06 16:51:41,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:40" (1/1) ... [2019-08-06 16:51:41,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:40" (1/1) ... [2019-08-06 16:51:41,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:40" (1/1) ... [2019-08-06 16:51:41,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:51:41,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:51:41,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:51:41,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:51:41,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:51:40" (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 16:51:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:51:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:51:41,356 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:51:41,356 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:51:41,358 INFO L202 PluginConnector]: Adding new model interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:51:41 BoogieIcfgContainer [2019-08-06 16:51:41,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:51:41,359 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:51:41,359 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:51:41,359 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:51:41,360 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "interleave_bits.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:51:41" (1/1) ... [2019-08-06 16:51:41,372 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:51:41,374 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:51:41,381 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:51:41,389 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:51:41,391 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:51:41,486 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:51:41,486 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:51:41,490 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (< (mod (+ ULTIMATE.start_main_~i~5 4294967295) 4294967296) 16) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (< (mod ULTIMATE.start_main_~i~5 4294967296) 16)) (= (ite (= (mod ULTIMATE.start_main_~zz~5 4294967296) (mod ULTIMATE.start_main_~z~5 4294967296)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2019-08-06 16:51:41,495 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:51:41,501 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:51:41,504 INFO L168 Benchmark]: Toolchain (without parser) took 523.10 ms. Allocated memory is still 130.5 MB. Free memory was 106.8 MB in the beginning and 89.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:41,506 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.32 ms. Allocated memory is still 130.5 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:51:41,507 INFO L168 Benchmark]: Boogie Preprocessor took 47.39 ms. Allocated memory is still 130.5 MB. Free memory was 106.8 MB in the beginning and 104.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:41,508 INFO L168 Benchmark]: RCFGBuilder took 329.48 ms. Allocated memory is still 130.5 MB. Free memory was 104.5 MB in the beginning and 94.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:41,509 INFO L168 Benchmark]: Symbolic Interpretation took 142.71 ms. Allocated memory is still 130.5 MB. Free memory was 94.7 MB in the beginning and 89.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:51:41,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 61]: 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 0.32 ms. Allocated memory is still 130.5 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.39 ms. Allocated memory is still 130.5 MB. Free memory was 106.8 MB in the beginning and 104.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.48 ms. Allocated memory is still 130.5 MB. Free memory was 104.5 MB in the beginning and 94.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 142.71 ms. Allocated memory is still 130.5 MB. Free memory was 94.7 MB in the beginning and 89.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...