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/regression/bpl/MultipleModifiesSpecifications.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:15:41,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:41,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:41,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:41,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:41,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:41,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:41,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:41,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:41,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:41,118 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:41,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:41,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:41,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:41,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:41,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:41,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:41,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:41,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:41,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:41,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:41,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:41,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:41,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:41,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:41,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:41,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:41,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:41,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:41,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:41,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:41,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:41,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:41,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:41,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:41,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:41,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:41,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:41,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:41,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:41,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:41,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:41,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:41,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:41,210 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:41,211 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:41,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/MultipleModifiesSpecifications.bpl [2019-08-05 18:15:41,213 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/MultipleModifiesSpecifications.bpl' [2019-08-05 18:15:41,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:41,250 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:41,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:41,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:41,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:41,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:41" (1/1) ... [2019-08-05 18:15:41,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:41" (1/1) ... [2019-08-05 18:15:41,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:41" (1/1) ... [2019-08-05 18:15:41,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:41" (1/1) ... [2019-08-05 18:15:41,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:41" (1/1) ... [2019-08-05 18:15:41,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:41" (1/1) ... [2019-08-05 18:15:41,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:41" (1/1) ... [2019-08-05 18:15:41,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:41,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:41,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:41,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:41,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:41" (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 18:15:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:15:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:15:41,585 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:41,585 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:41,586 INFO L202 PluginConnector]: Adding new model MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:41 BoogieIcfgContainer [2019-08-05 18:15:41,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:41,587 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:41,587 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:41,588 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:41,589 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "MultipleModifiesSpecifications.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:41" (1/1) ... [2019-08-05 18:15:41,602 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:15:41,605 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:41,613 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:15:41,622 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:41,625 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:15:41,668 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:41,668 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:41,671 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= |old(y)| y)) (= 1 y) (not (= |old(x)| x)) (= 1 x)) [2019-08-05 18:15:41,673 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:41,680 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:41,683 INFO L168 Benchmark]: Toolchain (without parser) took 432.29 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 95.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:41,685 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 18:15:41,686 INFO L168 Benchmark]: Boogie Preprocessor took 44.29 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 107.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:41,688 INFO L168 Benchmark]: RCFGBuilder took 290.99 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 99.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:41,689 INFO L168 Benchmark]: Symbolic Interpretation took 93.22 ms. Allocated memory is still 133.7 MB. Free memory was 99.4 MB in the beginning and 95.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:41,694 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.29 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 107.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 290.99 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 99.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 93.22 ms. Allocated memory is still 133.7 MB. Free memory was 99.4 MB in the beginning and 95.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...