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-equality-lesser-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:12,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:12,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:12,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:12,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:12,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:12,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:12,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:12,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:12,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:12,608 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:12,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:12,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:12,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:12,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:12,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:12,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:12,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:12,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:12,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:12,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:12,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:12,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:12,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:12,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:12,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:12,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:12,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:12,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:12,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:12,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:12,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:12,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:12,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:12,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:12,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:12,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:12,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:12,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:12,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:12,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:12,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:12,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:12,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:12,713 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:12,714 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:12,715 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-equality-lesser-unsafe.bpl [2019-08-06 16:59:12,715 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-equality-lesser-unsafe.bpl' [2019-08-06 16:59:12,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:12,752 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:12,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:12,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:12,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:12,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:12" (1/1) ... [2019-08-06 16:59:12,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:12" (1/1) ... [2019-08-06 16:59:12,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:12" (1/1) ... [2019-08-06 16:59:12,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:12" (1/1) ... [2019-08-06 16:59:12,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:12" (1/1) ... [2019-08-06 16:59:12,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:12" (1/1) ... [2019-08-06 16:59:12,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:12" (1/1) ... [2019-08-06 16:59:12,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:12,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:12,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:12,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:12,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:12" (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 16:59:12,871 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:59:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:59:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:59:13,039 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:13,040 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:13,041 INFO L202 PluginConnector]: Adding new model expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:13 BoogieIcfgContainer [2019-08-06 16:59:13,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:13,043 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:13,043 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:13,044 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:13,045 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "expr-equality-lesser-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:13" (1/1) ... [2019-08-06 16:59:13,056 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:13,059 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:13,066 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 16:59:13,074 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:13,075 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:59:13,112 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:13,113 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:13,115 INFO L179 IcfgInterpreter]: Location fooErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (<= foo_y 1) (= 0 foo_x) (<= 0 foo_y) (< foo_x foo_y)) [2019-08-06 16:59:13,116 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 10#false [2019-08-06 16:59:13,117 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:13,124 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:13,127 INFO L168 Benchmark]: Toolchain (without parser) took 374.96 ms. Allocated memory is still 133.7 MB. Free memory was 110.3 MB in the beginning and 95.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:13,129 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:13,130 INFO L168 Benchmark]: Boogie Preprocessor took 43.44 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:13,131 INFO L168 Benchmark]: RCFGBuilder took 246.87 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 99.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:13,132 INFO L168 Benchmark]: Symbolic Interpretation took 81.24 ms. Allocated memory is still 133.7 MB. Free memory was 99.2 MB in the beginning and 95.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:13,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: 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 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.44 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.87 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 99.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 81.24 ms. Allocated memory is still 133.7 MB. Free memory was 99.2 MB in the beginning and 95.4 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...