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-varupdate-assume-easy-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e6f8464 [2019-08-06 14:26:02,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:26:02,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:26:02,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:26:02,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:26:02,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:26:02,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:26:02,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:26:02,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:26:02,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:26:02,592 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:26:02,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:26:02,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:26:02,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:26:02,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:26:02,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:26:02,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:26:02,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:26:02,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:26:02,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:26:02,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:26:02,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:26:02,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:26:02,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:26:02,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:26:02,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:26:02,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:26:02,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:26:02,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:26:02,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:26:02,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:26:02,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:26:02,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:26:02,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:26:02,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:26:02,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:26:02,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:26:02,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:26:02,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:26:02,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:26:02,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:26:02,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:26:02,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:26:02,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:26:02,674 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:26:02,675 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:26:02,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-varupdate-assume-easy-safe.bpl [2019-08-06 14:26:02,676 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-varupdate-assume-easy-safe.bpl' [2019-08-06 14:26:02,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:26:02,709 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:26:02,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:26:02,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:26:02,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:26:02,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:02" (1/1) ... [2019-08-06 14:26:02,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:02" (1/1) ... [2019-08-06 14:26:02,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:02" (1/1) ... [2019-08-06 14:26:02,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:02" (1/1) ... [2019-08-06 14:26:02,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:02" (1/1) ... [2019-08-06 14:26:02,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:02" (1/1) ... [2019-08-06 14:26:02,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:02" (1/1) ... [2019-08-06 14:26:02,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:26:02,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:26:02,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:26:02,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:26:02,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:26:02" (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 14:26:02,832 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 14:26:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 14:26:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 14:26:03,037 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 14:26:03,037 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 14:26:03,038 INFO L202 PluginConnector]: Adding new model stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:26:03 BoogieIcfgContainer [2019-08-06 14:26:03,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:26:03,039 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:26:03,039 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:26:03,039 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:26:03,040 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:26:03" (1/1) ... [2019-08-06 14:26:03,052 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-06 14:26:03,055 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:26:03,062 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 14:26:03,070 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:26:03,072 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 14:26:03,119 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:26:03,119 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:26:03,122 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 14#false [2019-08-06 14:26:03,123 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT has predicate 11#false [2019-08-06 14:26:03,123 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT has predicate 8#(and (= 3 ULTIMATE.start_y) (not (= 3 ULTIMATE.start_x)) (<= 0 ULTIMATE.start_x) (= (- ULTIMATE.start_y) (- ULTIMATE.start_x)) (<= ULTIMATE.start_x 10)) [2019-08-06 14:26:03,125 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:26:03,137 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:26:03,140 INFO L168 Benchmark]: Toolchain (without parser) took 429.96 ms. Allocated memory is still 132.1 MB. Free memory was 108.7 MB in the beginning and 93.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-06 14:26:03,141 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 14:26:03,143 INFO L168 Benchmark]: Boogie Preprocessor took 46.13 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:26:03,144 INFO L168 Benchmark]: RCFGBuilder took 281.65 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-06 14:26:03,145 INFO L168 Benchmark]: Symbolic Interpretation took 97.92 ms. Allocated memory is still 132.1 MB. Free memory was 97.3 MB in the beginning and 93.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-06 14:26:03,149 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: 13]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 14]: 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 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.13 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 281.65 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 97.92 ms. Allocated memory is still 132.1 MB. Free memory was 97.3 MB in the beginning and 93.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...