./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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-ext/40_barrier_vf.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cef1318bac7d78e3fa01bb0ed033bce59403a72a ............................................................................................................................................................................................ 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 -Xmx15G -Xms4m -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-ext/40_barrier_vf.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cef1318bac7d78e3fa01bb0ed033bce59403a72a .............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 02:48:38,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 02:48:38,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 02:48:38,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 02:48:38,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 02:48:38,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 02:48:38,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 02:48:38,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 02:48:38,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 02:48:38,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 02:48:38,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 02:48:38,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 02:48:38,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 02:48:38,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 02:48:38,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 02:48:38,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 02:48:38,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 02:48:38,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 02:48:38,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 02:48:38,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 02:48:38,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 02:48:38,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 02:48:38,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 02:48:38,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 02:48:38,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 02:48:38,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 02:48:38,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 02:48:38,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 02:48:38,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 02:48:38,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 02:48:38,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 02:48:38,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 02:48:38,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 02:48:38,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 02:48:38,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 02:48:38,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 02:48:38,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 02:48:38,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 02:48:38,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 02:48:38,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 02:48:38,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 02:48:38,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 02:48:38,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 02:48:38,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 02:48:38,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 02:48:38,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 02:48:38,637 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 02:48:38,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 02:48:38,638 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 02:48:38,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 02:48:38,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 02:48:38,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 02:48:38,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 02:48:38,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 02:48:38,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 02:48:38,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 02:48:38,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 02:48:38,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 02:48:38,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 02:48:38,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 02:48:38,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 02:48:38,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 02:48:38,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 02:48:38,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:48:38,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 02:48:38,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 02:48:38,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 02:48:38,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 02:48:38,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 02:48:38,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 02:48:38,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 02:48:38,642 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(reach_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 -> cef1318bac7d78e3fa01bb0ed033bce59403a72a [2020-10-20 02:48:38,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 02:48:38,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 02:48:38,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 02:48:38,864 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 02:48:38,865 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 02:48:38,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2020-10-20 02:48:38,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5719f4bbc/156d7545957c4e31945592959bbefc62/FLAG8179a0513 [2020-10-20 02:48:39,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 02:48:39,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2020-10-20 02:48:39,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5719f4bbc/156d7545957c4e31945592959bbefc62/FLAG8179a0513 [2020-10-20 02:48:39,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5719f4bbc/156d7545957c4e31945592959bbefc62 [2020-10-20 02:48:39,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 02:48:39,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 02:48:39,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 02:48:39,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 02:48:39,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 02:48:39,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:48:39" (1/1) ... [2020-10-20 02:48:39,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc61c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:39, skipping insertion in model container [2020-10-20 02:48:39,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:48:39" (1/1) ... [2020-10-20 02:48:39,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 02:48:39,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 02:48:40,256 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-20 02:48:40,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:48:40,433 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 02:48:40,448 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-20 02:48:40,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:48:40,568 INFO L208 MainTranslator]: Completed translation [2020-10-20 02:48:40,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40 WrapperNode [2020-10-20 02:48:40,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 02:48:40,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 02:48:40,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 02:48:40,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 02:48:40,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 02:48:40,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 02:48:40,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 02:48:40,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 02:48:40,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (1/1) ... [2020-10-20 02:48:40,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 02:48:40,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 02:48:40,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 02:48:40,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 02:48:40,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:40" (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 [2020-10-20 02:48:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-20 02:48:40,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-20 02:48:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 02:48:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-20 02:48:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 02:48:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 02:48:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 02:48:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-20 02:48:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 02:48:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 02:48:40,752 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 02:48:41,276 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 02:48:41,276 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-20 02:48:41,277 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L721-1 is neither atomic block end nor error location. [2020-10-20 02:48:41,280 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 02:48:41,287 INFO L168 Benchmark]: Toolchain (without parser) took 1410.85 ms. Allocated memory was 40.4 MB in the beginning and 45.6 MB in the end (delta: 5.2 MB). Free memory was 17.3 MB in the beginning and 13.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:41,288 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 30.4 MB. Free memory was 6.6 MB in the beginning and 6.5 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 02:48:41,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.52 ms. Allocated memory was 40.4 MB in the beginning and 43.5 MB in the end (delta: 3.1 MB). Free memory was 16.4 MB in the beginning and 15.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:41,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.23 ms. Allocated memory is still 43.5 MB. Free memory was 15.0 MB in the beginning and 12.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:41,292 INFO L168 Benchmark]: Boogie Preprocessor took 32.58 ms. Allocated memory is still 43.5 MB. Free memory was 12.8 MB in the beginning and 11.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:41,293 INFO L168 Benchmark]: RCFGBuilder took 615.37 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 11.0 MB in the beginning and 13.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:41,298 INFO L339 ainManager$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 30.4 MB. Free memory was 6.6 MB in the beginning and 6.5 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 688.52 ms. Allocated memory was 40.4 MB in the beginning and 43.5 MB in the end (delta: 3.1 MB). Free memory was 16.4 MB in the beginning and 15.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 65.23 ms. Allocated memory is still 43.5 MB. Free memory was 15.0 MB in the beginning and 12.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 32.58 ms. Allocated memory is still 43.5 MB. Free memory was 12.8 MB in the beginning and 11.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 615.37 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 11.0 MB in the beginning and 13.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 02:48:43,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 02:48:43,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 02:48:43,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 02:48:43,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 02:48:43,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 02:48:43,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 02:48:43,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 02:48:43,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 02:48:43,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 02:48:43,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 02:48:43,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 02:48:43,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 02:48:43,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 02:48:43,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 02:48:43,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 02:48:43,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 02:48:43,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 02:48:43,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 02:48:43,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 02:48:43,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 02:48:43,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 02:48:43,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 02:48:43,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 02:48:43,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 02:48:43,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 02:48:43,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 02:48:43,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 02:48:43,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 02:48:43,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 02:48:43,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 02:48:43,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 02:48:43,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 02:48:43,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 02:48:43,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 02:48:43,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 02:48:43,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 02:48:43,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 02:48:43,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 02:48:43,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 02:48:43,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 02:48:43,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 02:48:43,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 02:48:43,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 02:48:43,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 02:48:43,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 02:48:43,715 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 02:48:43,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 02:48:43,715 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 02:48:43,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 02:48:43,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 02:48:43,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 02:48:43,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 02:48:43,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 02:48:43,718 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 02:48:43,718 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 02:48:43,718 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 02:48:43,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 02:48:43,719 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 02:48:43,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 02:48:43,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 02:48:43,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 02:48:43,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 02:48:43,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 02:48:43,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:48:43,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 02:48:43,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 02:48:43,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 02:48:43,721 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 02:48:43,722 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 02:48:43,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 02:48:43,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 02:48:43,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 02:48:43,722 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(reach_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 -> cef1318bac7d78e3fa01bb0ed033bce59403a72a [2020-10-20 02:48:43,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 02:48:43,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 02:48:43,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 02:48:43,942 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 02:48:43,942 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 02:48:43,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2020-10-20 02:48:44,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff39dafb0/f4f9a236599a494584686b2f8ddab02e/FLAG7fbd70d7f [2020-10-20 02:48:44,551 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 02:48:44,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2020-10-20 02:48:44,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff39dafb0/f4f9a236599a494584686b2f8ddab02e/FLAG7fbd70d7f [2020-10-20 02:48:44,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff39dafb0/f4f9a236599a494584686b2f8ddab02e [2020-10-20 02:48:44,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 02:48:44,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 02:48:44,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 02:48:44,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 02:48:44,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 02:48:44,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:48:44" (1/1) ... [2020-10-20 02:48:44,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141a327b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:44, skipping insertion in model container [2020-10-20 02:48:44,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:48:44" (1/1) ... [2020-10-20 02:48:44,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 02:48:44,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 02:48:45,264 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-20 02:48:45,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:48:45,420 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 02:48:45,438 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-20 02:48:45,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:48:45,560 INFO L208 MainTranslator]: Completed translation [2020-10-20 02:48:45,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45 WrapperNode [2020-10-20 02:48:45,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 02:48:45,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 02:48:45,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 02:48:45,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 02:48:45,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 02:48:45,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 02:48:45,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 02:48:45,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 02:48:45,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (1/1) ... [2020-10-20 02:48:45,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 02:48:45,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 02:48:45,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 02:48:45,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 02:48:45,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:48:45" (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 [2020-10-20 02:48:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-20 02:48:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-20 02:48:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-20 02:48:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 02:48:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 02:48:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 02:48:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 02:48:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-20 02:48:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 02:48:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 02:48:45,802 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 02:48:46,364 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 02:48:46,365 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-20 02:48:46,367 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L721-1 is neither atomic block end nor error location. [2020-10-20 02:48:46,367 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 02:48:46,373 INFO L168 Benchmark]: Toolchain (without parser) took 1487.23 ms. Allocated memory was 34.6 MB in the beginning and 48.2 MB in the end (delta: 13.6 MB). Free memory was 13.8 MB in the beginning and 23.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:46,374 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.2 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 02:48:46,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.91 ms. Allocated memory was 34.6 MB in the beginning and 46.1 MB in the end (delta: 11.5 MB). Free memory was 13.0 MB in the beginning and 14.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:46,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.67 ms. Allocated memory is still 46.1 MB. Free memory was 14.3 MB in the beginning and 27.5 MB in the end (delta: -13.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:46,376 INFO L168 Benchmark]: Boogie Preprocessor took 77.21 ms. Allocated memory is still 46.1 MB. Free memory was 27.5 MB in the beginning and 25.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:46,379 INFO L168 Benchmark]: RCFGBuilder took 664.43 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 25.7 MB in the beginning and 23.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. [2020-10-20 02:48:46,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.2 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 669.91 ms. Allocated memory was 34.6 MB in the beginning and 46.1 MB in the end (delta: 11.5 MB). Free memory was 13.0 MB in the beginning and 14.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 65.67 ms. Allocated memory is still 46.1 MB. Free memory was 14.3 MB in the beginning and 27.5 MB in the end (delta: -13.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 77.21 ms. Allocated memory is still 46.1 MB. Free memory was 27.5 MB in the beginning and 25.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 664.43 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 25.7 MB in the beginning and 23.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...