./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 019bf2ba0358bec37e2787cb3d15829de24a890e ................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 019bf2ba0358bec37e2787cb3d15829de24a890e ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:39:23,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:23,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:23,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:23,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:23,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:23,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:23,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:23,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:23,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:23,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:23,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:23,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:23,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:23,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:23,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:23,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:23,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:23,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:23,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:23,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:23,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:23,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:23,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:23,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:23,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:23,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:23,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:23,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:23,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:23,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:23,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:23,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:23,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:23,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:23,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:23,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:23,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:23,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:23,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:23,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:23,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:23,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:23,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:23,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:23,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:23,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:23,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:23,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:23,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:23,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:23,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:23,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:23,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:23,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:23,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:23,791 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:23,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:23,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:23,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:23,792 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:23,793 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:23,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:23,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:23,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:23,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:23,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:23,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:23,795 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:23,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:23,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:23,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 019bf2ba0358bec37e2787cb3d15829de24a890e [2020-11-28 04:39:24,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:24,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:24,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:24,267 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:24,268 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:24,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i [2020-11-28 04:39:24,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data/99f91d9ec/c9f97ac67a894cf1a48a8a020f1c3781/FLAG4ebd287cd [2020-11-28 04:39:25,031 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:25,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i [2020-11-28 04:39:25,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data/99f91d9ec/c9f97ac67a894cf1a48a8a020f1c3781/FLAG4ebd287cd [2020-11-28 04:39:25,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data/99f91d9ec/c9f97ac67a894cf1a48a8a020f1c3781 [2020-11-28 04:39:25,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:25,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:25,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:25,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:25,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:25,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:25" (1/1) ... [2020-11-28 04:39:25,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4866338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:25, skipping insertion in model container [2020-11-28 04:39:25,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:25" (1/1) ... [2020-11-28 04:39:25,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:25,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:25,629 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 04:39:26,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:26,120 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:26,134 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 04:39:26,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:26,425 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:26,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26 WrapperNode [2020-11-28 04:39:26,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:26,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:26,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:26,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:26,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:26,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:26,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:26,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:26,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... [2020-11-28 04:39:26,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:26,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:26,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:26,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:26,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-11-28 04:39:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-28 04:39:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-28 04:39:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2020-11-28 04:39:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2020-11-28 04:39:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2020-11-28 04:39:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2020-11-28 04:39:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2020-11-28 04:39:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2020-11-28 04:39:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:39:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:39:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:39:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2020-11-28 04:39:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2020-11-28 04:39:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-28 04:39:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:26,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:26,691 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 04:39:27,455 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:27,455 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-28 04:39:27,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:27 BoogieIcfgContainer [2020-11-28 04:39:27,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:27,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:27,461 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:27,469 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:27,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:27" (1/1) ... [2020-11-28 04:39:27,470 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:63) [2020-11-28 04:39:27,478 INFO L168 Benchmark]: Toolchain (without parser) took 2192.98 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 53.8 MB in the beginning and 53.1 MB in the end (delta: 763.0 kB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:27,479 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:27,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1140.58 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 58.1 MB in the end (delta: -4.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:27,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.94 ms. Allocated memory is still 111.1 MB. Free memory was 58.1 MB in the beginning and 55.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:27,482 INFO L168 Benchmark]: Boogie Preprocessor took 80.51 ms. Allocated memory is still 111.1 MB. Free memory was 55.4 MB in the beginning and 53.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:27,483 INFO L168 Benchmark]: RCFGBuilder took 844.42 ms. Allocated memory is still 111.1 MB. Free memory was 53.3 MB in the beginning and 54.4 MB in the end (delta: -1.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:27,483 INFO L168 Benchmark]: CodeCheck took 15.36 ms. Allocated memory is still 111.1 MB. Free memory was 53.7 MB in the beginning and 53.1 MB in the end (delta: 625.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:27,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1140.58 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 58.1 MB in the end (delta: -4.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.94 ms. Allocated memory is still 111.1 MB. Free memory was 58.1 MB in the beginning and 55.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.51 ms. Allocated memory is still 111.1 MB. Free memory was 55.4 MB in the beginning and 53.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 844.42 ms. Allocated memory is still 111.1 MB. Free memory was 53.3 MB in the beginning and 54.4 MB in the end (delta: -1.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * CodeCheck took 15.36 ms. Allocated memory is still 111.1 MB. Free memory was 53.7 MB in the beginning and 53.1 MB in the end (delta: 625.3 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:39:30,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:30,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:30,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:30,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:30,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:30,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:30,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:30,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:30,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:30,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:30,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:30,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:30,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:30,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:30,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:30,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:30,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:30,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:30,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:30,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:30,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:30,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:30,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:30,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:30,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:30,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:30,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:30,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:30,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:30,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:30,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:30,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:30,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:30,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:30,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:30,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:30,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:30,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:30,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:30,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:30,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:39:30,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:30,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:30,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:30,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:30,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:30,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:30,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:30,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:30,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:30,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:30,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:30,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:30,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:30,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:39:30,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:39:30,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:39:30,208 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:30,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:30,208 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:30,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:30,209 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:30,209 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:30,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:30,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:30,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:30,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:30,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:30,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:30,211 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:39:30,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:39:30,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:30,211 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:39:30,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:39:30,212 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 019bf2ba0358bec37e2787cb3d15829de24a890e [2020-11-28 04:39:30,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:30,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:30,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:30,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:30,637 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:30,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/../../sv-benchmarks/c/pthread-divine/ring_2w1r-1.i [2020-11-28 04:39:30,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data/27dbb7d2b/fa82c006c35645288dd7e48b5490a42c/FLAG3342bb4ee [2020-11-28 04:39:31,321 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:31,321 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/sv-benchmarks/c/pthread-divine/ring_2w1r-1.i [2020-11-28 04:39:31,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data/27dbb7d2b/fa82c006c35645288dd7e48b5490a42c/FLAG3342bb4ee [2020-11-28 04:39:31,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/data/27dbb7d2b/fa82c006c35645288dd7e48b5490a42c [2020-11-28 04:39:31,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:31,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:31,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:31,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:31,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:31,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d632c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31, skipping insertion in model container [2020-11-28 04:39:31,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:31,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:31,837 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 04:39:32,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:32,434 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:32,459 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 04:39:32,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:32,778 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:32,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32 WrapperNode [2020-11-28 04:39:32,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:32,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:32,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:32,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:32,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:32,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:32,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:32,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:32,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:32,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:32,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:32,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:32,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_98393a61-1cfc-4c53-b6ce-0704f7468cde/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-11-28 04:39:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-28 04:39:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-28 04:39:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2020-11-28 04:39:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2020-11-28 04:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 04:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2020-11-28 04:39:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2020-11-28 04:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2020-11-28 04:39:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2020-11-28 04:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 04:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 04:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-28 04:39:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2020-11-28 04:39:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2020-11-28 04:39:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-28 04:39:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:33,006 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 04:39:34,063 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:34,063 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-28 04:39:34,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:34 BoogieIcfgContainer [2020-11-28 04:39:34,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:34,067 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:34,067 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:34,077 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:34,078 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:34" (1/1) ... [2020-11-28 04:39:34,079 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:63) [2020-11-28 04:39:34,085 INFO L168 Benchmark]: Toolchain (without parser) took 2497.81 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 50.0 MB in the beginning and 80.8 MB in the end (delta: -30.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:34,087 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.5 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:34,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1191.37 ms. Allocated memory is still 73.4 MB. Free memory was 49.8 MB in the beginning and 37.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:34,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.59 ms. Allocated memory is still 73.4 MB. Free memory was 37.7 MB in the beginning and 35.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:34,091 INFO L168 Benchmark]: Boogie Preprocessor took 63.75 ms. Allocated memory is still 73.4 MB. Free memory was 35.1 MB in the beginning and 32.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:34,092 INFO L168 Benchmark]: RCFGBuilder took 1141.59 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 32.4 MB in the beginning and 81.4 MB in the end (delta: -49.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:34,093 INFO L168 Benchmark]: CodeCheck took 15.29 ms. Allocated memory is still 109.1 MB. Free memory was 81.4 MB in the beginning and 80.8 MB in the end (delta: 655.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:34,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.5 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1191.37 ms. Allocated memory is still 73.4 MB. Free memory was 49.8 MB in the beginning and 37.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.59 ms. Allocated memory is still 73.4 MB. Free memory was 37.7 MB in the beginning and 35.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.75 ms. Allocated memory is still 73.4 MB. Free memory was 35.1 MB in the beginning and 32.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1141.59 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 32.4 MB in the beginning and 81.4 MB in the end (delta: -49.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * CodeCheck took 15.29 ms. Allocated memory is still 109.1 MB. Free memory was 81.4 MB in the beginning and 80.8 MB in the end (delta: 655.1 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...