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-b8c145f [2019-08-05 12:06:46,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:06:46,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:06:46,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:06:46,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:06:46,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:06:46,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:06:46,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:06:46,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:06:46,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:06:46,920 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:06:46,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:06:46,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:06:46,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:06:46,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:06:46,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:06:46,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:06:46,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:06:46,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:06:46,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:06:46,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:06:46,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:06:46,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:06:46,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:06:46,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:06:46,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:06:46,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:06:46,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:06:46,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:06:46,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:06:46,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:06:46,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:06:46,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:06:46,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:06:46,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:06:46,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:06:46,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:06:46,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:06:46,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:06:46,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:06:46,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:06:46,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:06:47,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:06:47,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:06:47,017 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:06:47,018 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:06:47,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-negative-division-unsafe.bpl [2019-08-05 12:06:47,019 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-negative-division-unsafe.bpl' [2019-08-05 12:06:47,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:06:47,046 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:06:47,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:06:47,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:06:47,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:06:47,071 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 05.08 12:06:47" (1/1) ... [2019-08-05 12:06:47,073 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 05.08 12:06:47" (1/1) ... [2019-08-05 12:06:47,080 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 05.08 12:06:47" (1/1) ... [2019-08-05 12:06:47,080 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 05.08 12:06:47" (1/1) ... [2019-08-05 12:06:47,083 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 05.08 12:06:47" (1/1) ... [2019-08-05 12:06:47,084 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 05.08 12:06:47" (1/1) ... [2019-08-05 12:06:47,085 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 05.08 12:06:47" (1/1) ... [2019-08-05 12:06:47,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:06:47,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:06:47,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:06:47,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:06:47,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:06:47" (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 12:06:47,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 12:06:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 12:06:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 12:06:47,368 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:06:47,368 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:06:47,370 INFO L202 PluginConnector]: Adding new model expr-negative-division-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:06:47 BoogieIcfgContainer [2019-08-05 12:06:47,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:06:47,370 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:06:47,370 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:06:47,371 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:06:47,373 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 05.08 12:06:47" (1/1) ... [2019-08-05 12:06:47,385 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 12:06:47,389 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:06:47,399 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 12:06:47,412 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:06:47,413 INFO L184 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 12:06:47,569 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2019-08-05 12:06:47,588 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:06:47,588 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:06:47,591 INFO L178 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 10#false [2019-08-05 12:06:47,591 INFO L178 IcfgInterpreter]: Location fooErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (not (< foo_a 0)) (= foo_a (div foo_y 8)) (<= foo_y 16)) [2019-08-05 12:06:47,600 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:06:47,602 INFO L168 Benchmark]: Toolchain (without parser) took 555.82 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 94.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:47,603 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:06:47,605 INFO L168 Benchmark]: Boogie Preprocessor took 40.56 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:47,606 INFO L168 Benchmark]: RCFGBuilder took 282.70 ms. Allocated memory is still 134.7 MB. Free memory was 108.9 MB in the beginning and 100.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:47,608 INFO L168 Benchmark]: Symbolic Interpretation took 229.83 ms. Allocated memory is still 134.7 MB. Free memory was 100.1 MB in the beginning and 94.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:47,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 7]: assertion always holds For all program executions holds that assertion always holds at this location - 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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.56 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.70 ms. Allocated memory is still 134.7 MB. Free memory was 108.9 MB in the beginning and 100.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 229.83 ms. Allocated memory is still 134.7 MB. Free memory was 100.1 MB in the beginning and 94.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...