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/stmt-simpleassign-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:37,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:37,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:37,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:37,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:37,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:37,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:37,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:37,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:37,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:37,482 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:37,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:37,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:37,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:37,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:37,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:37,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:37,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:37,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:37,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:37,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:37,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:37,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:37,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:37,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:37,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:37,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:37,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:37,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:37,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:37,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:37,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:37,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:37,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:37,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:37,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:37,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:37,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:37,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:37,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:37,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:37,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:37,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:37,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:37,580 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:37,581 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:37,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-simpleassign-safe.bpl [2019-08-05 18:16:37,582 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-simpleassign-safe.bpl' [2019-08-05 18:16:37,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:37,614 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:37,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:37,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:37,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:37,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:37" (1/1) ... [2019-08-05 18:16:37,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:37" (1/1) ... [2019-08-05 18:16:37,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:37" (1/1) ... [2019-08-05 18:16:37,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:37" (1/1) ... [2019-08-05 18:16:37,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:37" (1/1) ... [2019-08-05 18:16:37,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:37" (1/1) ... [2019-08-05 18:16:37,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:37" (1/1) ... [2019-08-05 18:16:37,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:37,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:37,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:37,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:37,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:37" (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 18:16:37,706 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:16:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:16:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:16:37,918 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:16:37,918 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:37,919 INFO L202 PluginConnector]: Adding new model stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:37 BoogieIcfgContainer [2019-08-05 18:16:37,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:37,920 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:37,920 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:37,920 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:37,921 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:37" (1/1) ... [2019-08-05 18:16:37,930 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-05 18:16:37,933 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:37,939 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:16:37,947 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:37,949 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:16:38,013 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:38,013 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:38,017 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT has predicate 9#(and (= (* 5 ULTIMATE.start_y) ULTIMATE.start_x) (= 4 ULTIMATE.start_y) (not (= 20 ULTIMATE.start_x)) (= ULTIMATE.start_y 4)) [2019-08-05 18:16:38,019 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT has predicate 15#false [2019-08-05 18:16:38,019 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 18#false [2019-08-05 18:16:38,019 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT has predicate 12#(and (or (not (= 5 ULTIMATE.start_x)) (not (= 4 ULTIMATE.start_y))) (= ULTIMATE.start_x (+ ULTIMATE.start_y 1)) (= 5 ULTIMATE.start_x)) [2019-08-05 18:16:38,021 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:38,031 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:38,036 INFO L168 Benchmark]: Toolchain (without parser) took 419.85 ms. Allocated memory is still 135.3 MB. Free memory was 110.7 MB in the beginning and 94.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:38,037 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:38,039 INFO L168 Benchmark]: Boogie Preprocessor took 34.11 ms. Allocated memory is still 135.3 MB. Free memory was 110.5 MB in the beginning and 108.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:38,040 INFO L168 Benchmark]: RCFGBuilder took 270.65 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 99.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:38,043 INFO L168 Benchmark]: Symbolic Interpretation took 111.64 ms. Allocated memory is still 135.3 MB. Free memory was 99.3 MB in the beginning and 94.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:38,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: 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: 14]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 15]: 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 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.11 ms. Allocated memory is still 135.3 MB. Free memory was 110.5 MB in the beginning and 108.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.65 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 99.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 111.64 ms. Allocated memory is still 135.3 MB. Free memory was 99.3 MB in the beginning and 94.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...