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-b03553c [2019-08-05 18:16:25,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:25,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:25,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:25,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:25,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:25,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:25,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:25,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:25,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:25,425 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:25,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:25,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:25,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:25,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:25,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:25,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:25,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:25,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:25,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:25,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:25,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:25,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:25,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:25,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:25,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:25,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:25,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:25,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:25,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:25,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:25,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:25,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:25,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:25,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:25,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:25,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:25,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:25,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:25,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:25,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:25,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:25,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:25,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:25,522 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:25,523 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:25,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-modulo-2-unsafe.bpl [2019-08-05 18:16:25,524 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-modulo-2-unsafe.bpl' [2019-08-05 18:16:25,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:25,560 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:25,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:25,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:25,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:25,585 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 05.08 06:16:25" (1/1) ... [2019-08-05 18:16:25,587 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 05.08 06:16:25" (1/1) ... [2019-08-05 18:16:25,594 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 05.08 06:16:25" (1/1) ... [2019-08-05 18:16:25,595 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 05.08 06:16:25" (1/1) ... [2019-08-05 18:16:25,597 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 05.08 06:16:25" (1/1) ... [2019-08-05 18:16:25,598 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 05.08 06:16:25" (1/1) ... [2019-08-05 18:16:25,599 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 05.08 06:16:25" (1/1) ... [2019-08-05 18:16:25,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:25,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:25,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:25,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:25,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:25" (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 [2019-08-05 18:16:25,663 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:16:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:16:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:16:25,824 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:16:25,824 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:25,825 INFO L202 PluginConnector]: Adding new model expr-modulo-2-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:25 BoogieIcfgContainer [2019-08-05 18:16:25,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:25,826 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:25,826 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:25,826 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:25,830 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 05.08 06:16:25" (1/1) ... [2019-08-05 18:16:25,843 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:16:25,847 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:25,859 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 18:16:25,870 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:25,872 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 18:16:25,924 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:25,924 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:25,930 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 10#false [2019-08-05 18:16:25,931 INFO L179 IcfgInterpreter]: Location fooErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (<= foo_x 8) (<= 0 foo_x) (= (mod foo_x 4) 0) (= 8 foo_x)) [2019-08-05 18:16:25,932 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:25,948 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:25,951 INFO L168 Benchmark]: Toolchain (without parser) took 390.56 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 91.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:25,952 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:25,955 INFO L168 Benchmark]: Boogie Preprocessor took 39.77 ms. Allocated memory is still 139.5 MB. Free memory was 106.4 MB in the beginning and 104.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:25,957 INFO L168 Benchmark]: RCFGBuilder took 223.74 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 95.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:25,958 INFO L168 Benchmark]: Symbolic Interpretation took 122.23 ms. Allocated memory is still 139.5 MB. Free memory was 95.5 MB in the beginning and 91.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:25,964 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 6]: assertion always holds For all program executions holds that assertion always holds at this location - 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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.77 ms. Allocated memory is still 139.5 MB. Free memory was 106.4 MB in the beginning and 104.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.74 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 95.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 122.23 ms. Allocated memory is still 139.5 MB. Free memory was 95.5 MB in the beginning and 91.7 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...