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-negative-division-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:07,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:07,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:07,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:07,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:07,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:07,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:07,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:07,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:07,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:07,493 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:07,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:07,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:07,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:07,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:07,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:07,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:07,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:07,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:07,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:07,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:07,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:07,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:07,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:07,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:07,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:07,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:07,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:07,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:07,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:07,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:07,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:07,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:07,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:07,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:07,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:07,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:07,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:07,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:07,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:07,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:07,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:07,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:07,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:07,565 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:07,565 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:07,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-negative-division-unsafe.bpl [2019-08-06 16:59:07,566 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-negative-division-unsafe.bpl' [2019-08-06 16:59:07,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:07,593 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:07,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:07,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:07,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:07,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:07,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:07,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:07,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:07,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (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 16:59:07,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:59:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:59:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:59:07,942 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:07,943 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:07,946 INFO L202 PluginConnector]: Adding new model expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:07 BoogieIcfgContainer [2019-08-06 16:59:07,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:07,947 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:07,947 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:07,947 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:07,953 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,965 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:07,972 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:07,984 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 16:59:07,993 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:07,994 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:59:08,043 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:08,043 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:08,046 INFO L179 IcfgInterpreter]: Location fooErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (not (< foo_a 0)) (<= 0 (+ foo_y 16)) (= foo_a (div foo_y 8)) (<= foo_y 16)) [2019-08-06 16:59:08,047 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 10#false [2019-08-06 16:59:08,048 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:08,055 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:08,059 INFO L168 Benchmark]: Toolchain (without parser) took 464.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 94.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:08,060 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 110.9 MB in the beginning and 110.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:08,061 INFO L168 Benchmark]: Boogie Preprocessor took 31.10 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 107.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:08,062 INFO L168 Benchmark]: RCFGBuilder took 321.18 ms. Allocated memory is still 140.0 MB. Free memory was 107.7 MB in the beginning and 98.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:08,064 INFO L168 Benchmark]: Symbolic Interpretation took 108.65 ms. Allocated memory is still 140.0 MB. Free memory was 98.7 MB in the beginning and 94.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:08,067 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: 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: 7]: 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 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 110.9 MB in the beginning and 110.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.10 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 107.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 321.18 ms. Allocated memory is still 140.0 MB. Free memory was 107.7 MB in the beginning and 98.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 108.65 ms. Allocated memory is still 140.0 MB. Free memory was 98.7 MB in the beginning and 94.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...