./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8bca219eddfe87ff802db5e6aed01ded493ec2 ........................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:34:43,700 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:34:43,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:34:43,707 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:34:43,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:34:43,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:34:43,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:34:43,710 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:34:43,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:34:43,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:34:43,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:34:43,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:34:43,713 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:34:43,714 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:34:43,714 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:34:43,715 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:34:43,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:34:43,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:34:43,718 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:34:43,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:34:43,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:34:43,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:34:43,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:34:43,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:34:43,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:34:43,723 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:34:43,724 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:34:43,725 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:34:43,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:34:43,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:34:43,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:34:43,727 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:34:43,727 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:34:43,727 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:34:43,728 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:34:43,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:34:43,728 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:34:43,737 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:34:43,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:34:43,738 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:34:43,738 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:34:43,739 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:34:43,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:34:43,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:34:43,739 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:34:43,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:34:43,739 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:34:43,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:34:43,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:34:43,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:34:43,740 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:34:43,740 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:34:43,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:34:43,740 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:34:43,740 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:34:43,741 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:34:43,741 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:34:43,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:34:43,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:34:43,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:34:43,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:34:43,741 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:34:43,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:34:43,742 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:34:43,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:34:43,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:34:43,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/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(__VERIFIER_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 -> fd8bca219eddfe87ff802db5e6aed01ded493ec2 [2018-11-18 12:34:43,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:34:43,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:34:43,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:34:43,779 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:34:43,779 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:34:43,779 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_true-unreach-call.i [2018-11-18 12:34:43,821 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/data/2a01b871b/635fb86d704f48118fb20ead598ae87c/FLAGfca8420d6 [2018-11-18 12:34:44,259 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:34:44,259 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/sv-benchmarks/c/pthread-ext/26_stack_cas_true-unreach-call.i [2018-11-18 12:34:44,270 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/data/2a01b871b/635fb86d704f48118fb20ead598ae87c/FLAGfca8420d6 [2018-11-18 12:34:44,281 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b621747-a1e7-45a3-b17b-86a452eada4f/bin-2019/ukojak/data/2a01b871b/635fb86d704f48118fb20ead598ae87c [2018-11-18 12:34:44,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:34:44,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:34:44,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:34:44,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:34:44,287 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:34:44,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cab1b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44, skipping insertion in model container [2018-11-18 12:34:44,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:34:44,326 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:34:44,536 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:34:44,544 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:34:44,628 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:34:44,679 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:34:44,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44 WrapperNode [2018-11-18 12:34:44,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:34:44,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:34:44,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:34:44,680 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:34:44,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:34:44,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:34:44,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:34:44,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:34:44,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,730 ERROR L1129 TypeChecker]: C: return 1; [684]: Goto label not found: GotoStatement[[isEmpty_returnLabel]] [2018-11-18 12:34:44,731 ERROR L1129 TypeChecker]: C: return 0; [686]: Goto label not found: GotoStatement[[isEmpty_returnLabel]] [2018-11-18 12:34:44,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:44" (1/1) ... [2018-11-18 12:34:44,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:34:44,743 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder [2018-11-18 12:34:44,744 INFO L168 Benchmark]: Toolchain (without parser) took 459.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:34:44,745 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:34:44,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:44,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:44,747 INFO L168 Benchmark]: Boogie Preprocessor took 23.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:44,750 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 684]: Type Error Goto label not found: GotoStatement[[isEmpty_returnLabel]] - TypeErrorResult [Line: 686]: Type Error Goto label not found: GotoStatement[[isEmpty_returnLabel]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...