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/concurrent/concurrentBoogie/showcase/Peterson.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:25:10,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:25:10,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:25:10,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:25:10,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:25:10,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:25:10,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:25:10,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:25:10,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:25:10,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:25:10,563 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:25:10,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:25:10,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:25:10,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:25:10,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:25:10,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:25:10,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:25:10,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:25:10,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:25:10,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:25:10,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:25:10,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:25:10,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:25:10,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:25:10,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:25:10,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:25:10,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:25:10,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:25:10,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:25:10,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:25:10,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:25:10,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:25:10,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:25:10,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:25:10,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:25:10,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:25:10,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:25:10,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:25:10,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:25:10,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:25:10,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:25:10,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:25:10,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:25:10,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:25:10,682 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:25:10,682 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:25:10,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/showcase/Peterson.bpl [2019-08-05 11:25:10,683 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/showcase/Peterson.bpl' [2019-08-05 11:25:10,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:25:10,725 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:25:10,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:25:10,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:25:10,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:25:10,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Peterson.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:10" (1/1) ... [2019-08-05 11:25:10,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Peterson.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:10" (1/1) ... [2019-08-05 11:25:10,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Peterson.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:10" (1/1) ... [2019-08-05 11:25:10,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Peterson.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:10" (1/1) ... [2019-08-05 11:25:10,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Peterson.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:10" (1/1) ... [2019-08-05 11:25:10,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Peterson.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:10" (1/1) ... [2019-08-05 11:25:10,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Peterson.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:10" (1/1) ... [2019-08-05 11:25:10,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:25:10,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:25:10,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:25:10,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:25:10,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Peterson.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:10" (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 11:25:10,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:25:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:25:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:25:10,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process0 given in one single declaration [2019-08-05 11:25:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure Process0 [2019-08-05 11:25:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure Process0 [2019-08-05 11:25:10,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2019-08-05 11:25:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2019-08-05 11:25:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2019-08-05 11:25:10,859 WARN L201 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-08-05 11:25:11,181 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:25:11,181 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:25:11,183 INFO L202 PluginConnector]: Adding new model Peterson.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:11 BoogieIcfgContainer [2019-08-05 11:25:11,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:25:11,189 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:25:11,189 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:25:11,190 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:25:11,192 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Peterson.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:11" (1/1) ... [2019-08-05 11:25:11,213 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 11:25:11,216 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:25:11,222 INFO L160 IcfgInterpreter]: Initial procedures are [] [2019-08-05 11:25:11,230 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:25:11,230 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:25:11,231 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:25:11,234 INFO L178 IcfgInterpreter]: Location Process1Err0ASSERT_VIOLATIONASSERT has predicate 2#false [2019-08-05 11:25:11,234 INFO L178 IcfgInterpreter]: Location Process0Err0ASSERT_VIOLATIONASSERT has predicate 2#false [2019-08-05 11:25:11,236 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:25:11,239 INFO L168 Benchmark]: Toolchain (without parser) took 512.96 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 93.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:11,240 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:25:11,241 INFO L168 Benchmark]: Boogie Preprocessor took 53.84 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:11,243 INFO L168 Benchmark]: RCFGBuilder took 408.91 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 96.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:11,244 INFO L168 Benchmark]: Symbolic Interpretation took 47.00 ms. Allocated memory is still 140.5 MB. Free memory was 96.0 MB in the beginning and 93.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:11,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * 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 140.5 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.84 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 408.91 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 96.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 47.00 ms. Allocated memory is still 140.5 MB. Free memory was 96.0 MB in the beginning and 93.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...