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-division-inequality-bug-2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:28,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:28,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:28,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:28,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:28,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:28,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:28,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:28,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:28,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:28,590 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:28,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:28,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:28,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:28,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:28,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:28,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:28,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:28,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:28,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:28,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:28,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:28,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:28,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:28,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:28,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:28,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:28,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:28,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:28,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:28,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:28,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:28,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:28,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:28,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:28,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:28,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:28,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:28,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:28,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:28,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:28,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:28,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:28,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:28,671 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:28,672 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:28,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-division-inequality-bug-2.bpl [2019-08-05 18:16:28,674 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-division-inequality-bug-2.bpl' [2019-08-05 18:16:28,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:28,713 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:28,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:28,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:28,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:28,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:28" (1/1) ... [2019-08-05 18:16:28,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:28" (1/1) ... [2019-08-05 18:16:28,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:28" (1/1) ... [2019-08-05 18:16:28,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:28" (1/1) ... [2019-08-05 18:16:28,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:28" (1/1) ... [2019-08-05 18:16:28,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:28" (1/1) ... [2019-08-05 18:16:28,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:28" (1/1) ... [2019-08-05 18:16:28,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:28,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:28,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:28,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:28,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:28" (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 18:16:28,831 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:16:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:16:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:16:28,977 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:16:28,977 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:28,979 INFO L202 PluginConnector]: Adding new model expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:28 BoogieIcfgContainer [2019-08-05 18:16:28,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:28,983 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:28,984 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:28,984 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:28,985 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:28" (1/1) ... [2019-08-05 18:16:28,996 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:16:28,998 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:29,005 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:16:29,013 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:29,014 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:16:29,049 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:29,049 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:29,051 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 10#false [2019-08-05 18:16:29,052 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (<= 2 (* 2 ULTIMATE.start_x)) (<= 1 ULTIMATE.start_x) (<= (* 2 ULTIMATE.start_x) 20) (= (div ULTIMATE.start_x ULTIMATE.start_y) 5) (= (mod ULTIMATE.start_y 2) 0) (not (= 0 ULTIMATE.start_y)) (<= ULTIMATE.start_x 10)) [2019-08-05 18:16:29,053 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:29,061 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:29,064 INFO L168 Benchmark]: Toolchain (without parser) took 349.92 ms. Allocated memory is still 138.4 MB. Free memory was 107.0 MB in the beginning and 91.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:29,065 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory is still 107.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:16:29,066 INFO L168 Benchmark]: Boogie Preprocessor took 43.96 ms. Allocated memory is still 138.4 MB. Free memory was 107.0 MB in the beginning and 104.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:29,067 INFO L168 Benchmark]: RCFGBuilder took 221.02 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 96.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:29,068 INFO L168 Benchmark]: Symbolic Interpretation took 77.71 ms. Allocated memory is still 138.4 MB. Free memory was 96.1 MB in the beginning and 91.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:29,072 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 16]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 19]: 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 0.27 ms. Allocated memory is still 138.4 MB. Free memory is still 107.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.96 ms. Allocated memory is still 138.4 MB. Free memory was 107.0 MB in the beginning and 104.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 221.02 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 96.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 77.71 ms. Allocated memory is still 138.4 MB. Free memory was 96.1 MB in the beginning and 91.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...