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 0.1.24-3b9210c [2019-08-06 16:59:21,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:21,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:21,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:21,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:21,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:21,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:21,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:21,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:21,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:21,081 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:21,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:21,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:21,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:21,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:21,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:21,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:21,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:21,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:21,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:21,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:21,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:21,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:21,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:21,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:21,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:21,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:21,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:21,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:21,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:21,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:21,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:21,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:21,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:21,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:21,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:21,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:21,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:21,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:21,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:21,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:21,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:21,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:21,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:21,162 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:21,163 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:21,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-simpleassign-safe.bpl [2019-08-06 16:59:21,164 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-simpleassign-safe.bpl' [2019-08-06 16:59:21,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:21,198 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:21,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:21,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:21,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:21,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:21" (1/1) ... [2019-08-06 16:59:21,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:21" (1/1) ... [2019-08-06 16:59:21,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:21" (1/1) ... [2019-08-06 16:59:21,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:21" (1/1) ... [2019-08-06 16:59:21,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:21" (1/1) ... [2019-08-06 16:59:21,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:21" (1/1) ... [2019-08-06 16:59:21,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:21" (1/1) ... [2019-08-06 16:59:21,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:21,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:21,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:21,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:21,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:21" (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 16:59:21,317 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:59:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:59:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:59:21,569 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:59:21,570 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:21,571 INFO L202 PluginConnector]: Adding new model stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:21 BoogieIcfgContainer [2019-08-06 16:59:21,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:21,572 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:21,572 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:21,573 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:21,573 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 06.08 04:59:21" (1/1) ... [2019-08-06 16:59:21,585 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-06 16:59:21,588 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:21,595 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:59:21,603 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:21,605 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:59:21,663 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:21,663 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:21,666 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 18#false [2019-08-06 16:59:21,667 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT has predicate 15#false [2019-08-06 16:59:21,667 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)) [2019-08-06 16:59:21,668 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)) [2019-08-06 16:59:21,669 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:21,676 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:21,679 INFO L168 Benchmark]: Toolchain (without parser) took 480.41 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 90.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:21,680 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:59:21,681 INFO L168 Benchmark]: Boogie Preprocessor took 44.24 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:21,683 INFO L168 Benchmark]: RCFGBuilder took 328.34 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 95.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:21,684 INFO L168 Benchmark]: Symbolic Interpretation took 104.34 ms. Allocated memory is still 138.4 MB. Free memory was 95.3 MB in the beginning and 90.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:21,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 14]: 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: - 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: * 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 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.24 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 328.34 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 95.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 104.34 ms. Allocated memory is still 138.4 MB. Free memory was 95.3 MB in the beginning and 90.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...