./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/gcd-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/gcd-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1695f92e2931d9a1525ac9e329f840f66d114c73 ........................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/gcd-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1695f92e2931d9a1525ac9e329f840f66d114c73 ............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:57:25,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:57:25,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:57:25,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:57:25,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:57:25,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:57:25,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:57:25,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:57:25,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:57:25,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:57:25,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:57:25,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:57:25,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:57:25,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:57:25,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:57:25,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:57:25,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:57:25,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:57:25,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:57:25,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:57:25,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:57:25,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:57:25,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:57:25,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:57:25,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:57:25,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:57:25,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:57:25,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:57:25,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:57:25,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:57:25,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:57:25,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:57:25,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:57:25,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:57:25,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:57:25,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:57:25,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:57:25,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:57:25,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:57:25,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:57:25,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:57:25,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:57:25,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:57:25,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:57:25,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:57:25,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:57:25,589 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:57:25,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:57:25,590 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:57:25,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:57:25,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:57:25,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:57:25,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:57:25,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:57:25,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:57:25,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:57:25,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:57:25,592 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:57:25,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:57:25,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:57:25,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:57:25,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:57:25,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:57:25,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:57:25,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:57:25,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:57:25,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:57:25,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:57:25,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:57:25,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:57:25,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:57:25,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1695f92e2931d9a1525ac9e329f840f66d114c73 [2019-11-28 17:57:25,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:57:25,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:57:25,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:57:25,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:57:25,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:57:25,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-28 17:57:26,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc85363f7/774542763cc04b5f9670133912897cd0/FLAG8bf7f112f [2019-11-28 17:57:26,548 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:57:26,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-28 17:57:26,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc85363f7/774542763cc04b5f9670133912897cd0/FLAG8bf7f112f [2019-11-28 17:57:26,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc85363f7/774542763cc04b5f9670133912897cd0 [2019-11-28 17:57:26,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:57:26,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:57:26,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:57:26,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:57:26,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:57:26,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:26" (1/1) ... [2019-11-28 17:57:26,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c880e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:26, skipping insertion in model container [2019-11-28 17:57:26,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:26" (1/1) ... [2019-11-28 17:57:26,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:57:26,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:57:27,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:57:27,457 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:57:27,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:57:27,604 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:57:27,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27 WrapperNode [2019-11-28 17:57:27,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:57:27,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:57:27,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:57:27,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:57:27,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:57:27,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:57:27,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:57:27,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:57:27,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (1/1) ... [2019-11-28 17:57:27,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:57:27,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:57:27,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:57:27,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:57:27,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:27" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:57:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 17:57:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 17:57:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:57:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 17:57:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2019-11-28 17:57:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2019-11-28 17:57:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2019-11-28 17:57:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2019-11-28 17:57:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:57:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:57:27,786 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 17:57:27,984 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processAtomicStatement(CfgBuilder.java:1520) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:804) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:621) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 17:57:28,007 INFO L168 Benchmark]: Toolchain (without parser) took 1138.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -88.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:28,008 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:28,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -106.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:28,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:28,012 INFO L168 Benchmark]: Boogie Preprocessor took 37.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:28,013 INFO L168 Benchmark]: RCFGBuilder took 283.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:28,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 739.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -106.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 283.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processAtomicStatement(CfgBuilder.java:1520) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 17:57:30,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:57:30,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:57:30,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:57:30,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:57:30,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:57:30,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:57:30,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:57:30,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:57:30,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:57:30,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:57:30,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:57:30,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:57:30,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:57:30,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:57:30,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:57:30,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:57:30,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:57:30,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:57:30,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:57:30,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:57:30,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:57:30,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:57:30,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:57:30,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:57:30,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:57:30,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:57:30,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:57:30,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:57:30,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:57:30,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:57:30,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:57:30,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:57:30,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:57:30,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:57:30,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:57:30,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:57:30,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:57:30,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:57:30,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:57:30,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:57:30,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 17:57:30,228 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:57:30,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:57:30,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:57:30,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:57:30,235 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:57:30,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:57:30,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:57:30,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:57:30,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:57:30,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:57:30,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:57:30,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:57:30,240 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 17:57:30,240 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 17:57:30,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:57:30,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:57:30,241 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:57:30,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:57:30,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:57:30,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:57:30,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:57:30,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:57:30,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:57:30,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:57:30,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:57:30,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:57:30,247 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 17:57:30,247 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 17:57:30,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:57:30,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:57:30,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 17:57:30,248 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1695f92e2931d9a1525ac9e329f840f66d114c73 [2019-11-28 17:57:30,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:57:30,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:57:30,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:57:30,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:57:30,586 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:57:30,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-28 17:57:30,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c485dbb2/66bb6cfb83c54c209a90ca96b58e729f/FLAG31e967a67 [2019-11-28 17:57:31,263 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:57:31,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-28 17:57:31,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c485dbb2/66bb6cfb83c54c209a90ca96b58e729f/FLAG31e967a67 [2019-11-28 17:57:31,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c485dbb2/66bb6cfb83c54c209a90ca96b58e729f [2019-11-28 17:57:31,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:57:31,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:57:31,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:57:31,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:57:31,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:57:31,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:31" (1/1) ... [2019-11-28 17:57:31,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c880e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:31, skipping insertion in model container [2019-11-28 17:57:31,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:31" (1/1) ... [2019-11-28 17:57:31,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:57:31,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:57:32,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:57:32,129 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:57:32,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:57:32,276 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:57:32,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32 WrapperNode [2019-11-28 17:57:32,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:57:32,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:57:32,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:57:32,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:57:32,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:57:32,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:57:32,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:57:32,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:57:32,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (1/1) ... [2019-11-28 17:57:32,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:57:32,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:57:32,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:57:32,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:57:32,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:32" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:57:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 17:57:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:57:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 17:57:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 17:57:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2019-11-28 17:57:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2019-11-28 17:57:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2019-11-28 17:57:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2019-11-28 17:57:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:57:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:57:32,459 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 17:57:32,632 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processAtomicStatement(CfgBuilder.java:1520) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:804) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:621) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 17:57:32,640 INFO L168 Benchmark]: Toolchain (without parser) took 1115.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -97.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:32,641 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:32,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:32,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:32,643 INFO L168 Benchmark]: Boogie Preprocessor took 36.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:32,644 INFO L168 Benchmark]: RCFGBuilder took 260.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:32,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 751.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 260.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processAtomicStatement(CfgBuilder.java:1520) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...