./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest_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_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/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 39dd5333d8059d029bfdaac7c17c475fbf8b952f ......................................................................................................................................................... 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 16:17:19,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:17:19,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:17:19,156 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:17:19,156 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:17:19,157 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:17:19,158 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:17:19,159 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:17:19,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:17:19,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:17:19,161 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:17:19,161 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:17:19,162 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:17:19,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:17:19,163 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:17:19,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:17:19,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:17:19,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:17:19,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:17:19,169 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:17:19,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:17:19,171 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:17:19,172 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:17:19,173 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:17:19,173 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:17:19,174 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:17:19,174 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:17:19,175 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:17:19,175 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:17:19,176 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:17:19,176 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:17:19,177 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:17:19,178 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:17:19,178 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:17:19,178 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:17:19,179 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:17:19,179 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:17:19,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:17:19,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:17:19,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:17:19,191 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:17:19,192 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:17:19,192 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:17:19,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:17:19,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:17:19,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:17:19,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:17:19,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:17:19,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:17:19,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:17:19,194 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:17:19,194 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:17:19,194 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:17:19,194 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:17:19,194 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:17:19,194 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:17:19,194 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:17:19,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:17:19,195 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:17:19,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:17:19,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:17:19,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:17:19,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:17:19,195 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:17:19,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:17:19,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:17:19,196 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_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/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 -> 39dd5333d8059d029bfdaac7c17c475fbf8b952f [2018-11-18 16:17:19,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:17:19,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:17:19,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:17:19,230 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:17:19,231 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:17:19,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i [2018-11-18 16:17:19,270 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/data/0d39fca0d/76416e6e8caa445385b9196a6ae289e2/FLAG8dc891631 [2018-11-18 16:17:19,638 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:17:19,638 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i [2018-11-18 16:17:19,648 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/data/0d39fca0d/76416e6e8caa445385b9196a6ae289e2/FLAG8dc891631 [2018-11-18 16:17:19,661 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45e3b0a0-af89-41b9-a411-7d5bc16eef6d/bin-2019/ukojak/data/0d39fca0d/76416e6e8caa445385b9196a6ae289e2 [2018-11-18 16:17:19,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:17:19,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:17:19,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:17:19,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:17:19,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:17:19,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:17:19" (1/1) ... [2018-11-18 16:17:19,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e13b7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:19, skipping insertion in model container [2018-11-18 16:17:19,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:17:19" (1/1) ... [2018-11-18 16:17:19,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:17:19,713 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:17:19,959 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:17:19,969 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:17:20,058 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:17:20,103 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:17:20,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20 WrapperNode [2018-11-18 16:17:20,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:17:20,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:17:20,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:17:20,104 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:17:20,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:17:20,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:17:20,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:17:20,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:17:20,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,141 ERROR L1129 TypeChecker]: C: return 1; [680]: Goto label not found: GotoStatement[[isEmpty_returnLabel]] [2018-11-18 16:17:20,141 ERROR L1129 TypeChecker]: C: return 0; [682]: Goto label not found: GotoStatement[[isEmpty_returnLabel]] [2018-11-18 16:17:20,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:17:20" (1/1) ... [2018-11-18 16:17:20,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:17:20,152 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder [2018-11-18 16:17:20,152 INFO L168 Benchmark]: Toolchain (without parser) took 487.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:17:20,153 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:17:20,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -198.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:17:20,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:17:20,155 INFO L168 Benchmark]: Boogie Preprocessor took 19.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:17:20,158 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 438.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -198.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 680]: Type Error Goto label not found: GotoStatement[[isEmpty_returnLabel]] - TypeErrorResult [Line: 682]: Type Error Goto label not found: GotoStatement[[isEmpty_returnLabel]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...