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/unclassified/SAS09doubleLoop_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:12,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:12,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:12,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:12,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:12,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:12,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:12,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:12,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:12,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:12,911 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:12,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:12,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:12,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:12,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:12,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:12,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:12,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:12,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:12,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:12,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:12,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:12,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:12,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:12,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:07:12,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:12,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:12,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:12,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:12,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:12,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:12,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:12,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:12,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:12,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:12,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:12,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:13,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:13,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:13,004 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:13,005 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:13,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/SAS09doubleLoop_incorrect.bpl [2019-08-05 12:07:13,006 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/SAS09doubleLoop_incorrect.bpl' [2019-08-05 12:07:13,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:13,035 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:13,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:13,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:13,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:13,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:13" (1/1) ... [2019-08-05 12:07:13,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:13" (1/1) ... [2019-08-05 12:07:13,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:13" (1/1) ... [2019-08-05 12:07:13,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:13" (1/1) ... [2019-08-05 12:07:13,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:13" (1/1) ... [2019-08-05 12:07:13,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:13" (1/1) ... [2019-08-05 12:07:13,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:13" (1/1) ... [2019-08-05 12:07:13,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:13,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:13,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:13,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:13,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:13" (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 12:07:13,143 INFO L124 BoogieDeclarations]: Specification and implementation of procedure SAS09paper given in one single declaration [2019-08-05 12:07:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure SAS09paper [2019-08-05 12:07:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure SAS09paper [2019-08-05 12:07:13,386 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:13,386 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 12:07:13,387 INFO L202 PluginConnector]: Adding new model SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:13 BoogieIcfgContainer [2019-08-05 12:07:13,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:13,388 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:13,388 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:13,389 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:13,391 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "SAS09doubleLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:13" (1/1) ... [2019-08-05 12:07:13,403 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-05 12:07:13,406 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:13,413 INFO L160 IcfgInterpreter]: Initial procedures are [SAS09paper] [2019-08-05 12:07:13,422 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:13,423 INFO L184 IcfgInterpreter]: Interpreting procedure SAS09paper with input of size 1 [2019-08-05 12:07:13,758 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-08-05 12:07:13,939 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-08-05 12:07:14,247 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2019-08-05 12:07:14,414 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-08-05 12:07:14,691 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:14,691 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:14,697 INFO L178 IcfgInterpreter]: Location SAS09paperErr2ASSERT_VIOLATIONASSERT has predicate 52#(and (= SAS09paper_y 0) (= (- 1) SAS09paper_x)) [2019-08-05 12:07:14,698 INFO L178 IcfgInterpreter]: Location SAS09paperErr3ASSERT_VIOLATIONASSERT has predicate 58#(and (= 5 SAS09paper_y) (not (= (- 1) SAS09paper_x))) [2019-08-05 12:07:14,698 INFO L178 IcfgInterpreter]: Location SAS09paperErr0ASSERT_VIOLATIONASSERT has predicate 49#(and (= SAS09paper_y 0) (= (- 1) SAS09paper_x)) [2019-08-05 12:07:14,699 INFO L178 IcfgInterpreter]: Location SAS09paperErr1ASSERT_VIOLATIONASSERT has predicate 61#(and (= (- 1) SAS09paper_y) (not (= (- 1) SAS09paper_x))) [2019-08-05 12:07:14,709 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:14,712 INFO L168 Benchmark]: Toolchain (without parser) took 1675.49 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 109.5 MB in the beginning and 148.9 MB in the end (delta: -39.4 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:14,712 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:07:14,713 INFO L168 Benchmark]: Boogie Preprocessor took 43.67 ms. Allocated memory is still 141.0 MB. Free memory was 109.5 MB in the beginning and 107.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:14,714 INFO L168 Benchmark]: RCFGBuilder took 307.85 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 97.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:14,716 INFO L168 Benchmark]: Symbolic Interpretation took 1320.87 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 97.9 MB in the beginning and 148.9 MB in the end (delta: -51.0 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:14,719 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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: - UnprovableResult [Line: 26]: 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: - UnprovableResult [Line: 21]: 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: - UnprovableResult [Line: 22]: 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 0.17 ms. Allocated memory is still 141.0 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.67 ms. Allocated memory is still 141.0 MB. Free memory was 109.5 MB in the beginning and 107.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.85 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 97.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1320.87 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 97.9 MB in the beginning and 148.9 MB in the end (delta: -51.0 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...