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/abstractInterpretation/regression/all/expr-modulo-2-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e6f8464 [2019-08-06 14:26:00,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:26:00,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:26:00,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:26:00,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:26:00,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:26:00,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:26:00,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:26:00,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:26:00,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:26:00,397 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:26:00,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:26:00,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:26:00,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:26:00,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:26:00,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:26:00,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:26:00,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:26:00,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:26:00,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:26:00,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:26:00,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:26:00,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:26:00,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:26:00,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:26:00,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:26:00,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:26:00,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:26:00,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:26:00,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:26:00,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:26:00,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:26:00,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:26:00,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:26:00,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:26:00,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:26:00,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:26:00,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:26:00,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:26:00,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:26:00,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:26:00,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:26:00,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:26:00,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:26:00,472 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:26:00,473 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:26:00,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-modulo-2-unsafe.bpl [2019-08-06 14:26:00,474 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-modulo-2-unsafe.bpl' [2019-08-06 14:26:00,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:26:00,506 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:26:00,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:26:00,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:26:00,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:26:00,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:00" (1/1) ... [2019-08-06 14:26:00,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:00" (1/1) ... [2019-08-06 14:26:00,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:00" (1/1) ... [2019-08-06 14:26:00,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:00" (1/1) ... [2019-08-06 14:26:00,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:00" (1/1) ... [2019-08-06 14:26:00,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:00" (1/1) ... [2019-08-06 14:26:00,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:00" (1/1) ... [2019-08-06 14:26:00,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:26:00,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:26:00,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:26:00,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:26:00,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:00" (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 14:26:00,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 14:26:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 14:26:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 14:26:00,876 INFO L275 CfgBuilder]: Using library mode [2019-08-06 14:26:00,877 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 14:26:00,879 INFO L202 PluginConnector]: Adding new model expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:26:00 BoogieIcfgContainer [2019-08-06 14:26:00,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:26:00,880 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:26:00,880 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:26:00,880 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:26:00,881 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:26:00" (1/1) ... [2019-08-06 14:26:00,893 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 14:26:00,899 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:26:00,910 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 14:26:00,919 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:26:00,921 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 14:26:00,967 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:26:00,967 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:26:00,970 INFO L179 IcfgInterpreter]: Location fooErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (<= foo_x 8) (<= 0 foo_x) (= (mod foo_x 4) 0) (= 8 foo_x)) [2019-08-06 14:26:00,972 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 10#false [2019-08-06 14:26:00,974 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:26:00,981 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:26:00,986 INFO L168 Benchmark]: Toolchain (without parser) took 477.50 ms. Allocated memory is still 134.7 MB. Free memory was 106.5 MB in the beginning and 91.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-06 14:26:00,987 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 134.7 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 14:26:00,991 INFO L168 Benchmark]: Boogie Preprocessor took 38.81 ms. Allocated memory is still 134.7 MB. Free memory was 106.3 MB in the beginning and 104.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 14:26:00,994 INFO L168 Benchmark]: RCFGBuilder took 333.38 ms. Allocated memory is still 134.7 MB. Free memory was 104.1 MB in the beginning and 95.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-06 14:26:00,995 INFO L168 Benchmark]: Symbolic Interpretation took 101.83 ms. Allocated memory is still 134.7 MB. Free memory was 95.4 MB in the beginning and 91.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 14:26:01,001 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 8]: 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: - PositiveResult [Line: 6]: assertion always holds For all program executions holds that assertion always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 134.7 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.81 ms. Allocated memory is still 134.7 MB. Free memory was 106.3 MB in the beginning and 104.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 333.38 ms. Allocated memory is still 134.7 MB. Free memory was 104.1 MB in the beginning and 95.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 101.83 ms. Allocated memory is still 134.7 MB. Free memory was 95.4 MB in the beginning and 91.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...