./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d0ab53b6bad8e20c0c90f53d74a0fa13d778b64 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:30:25,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:30:25,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:30:25,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:30:25,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:30:25,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:30:25,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:30:25,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:30:25,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:30:25,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:30:25,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:30:25,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:30:25,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:30:25,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:30:25,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:30:25,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:30:25,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:30:25,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:30:25,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:30:25,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:30:25,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:30:25,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:30:25,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:30:25,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:30:25,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:30:25,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:30:25,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:30:25,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:30:25,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:30:25,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:30:25,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:30:25,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:30:25,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:30:25,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:30:25,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:30:25,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:30:25,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:30:25,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:30:25,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:30:25,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:30:25,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:30:25,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:30:25,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:30:25,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:30:25,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:30:25,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:30:25,998 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:30:25,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:30:25,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:30:25,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:30:25,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:30:25,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:30:26,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:30:26,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:30:26,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:30:26,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:30:26,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:30:26,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:30:26,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:30:26,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:30:26,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:30:26,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:30:26,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:30:26,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:30:26,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:30:26,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:30:26,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:30:26,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:30:26,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:30:26,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:30:26,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d0ab53b6bad8e20c0c90f53d74a0fa13d778b64 [2019-11-16 21:30:26,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:30:26,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:30:26,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:30:26,626 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:30:26,626 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:30:26,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2019-11-16 21:30:26,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d980d764/06ee0149f9d74cdda7a6c853d2f14c57/FLAGbdb0f7877 [2019-11-16 21:30:27,967 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:30:27,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2019-11-16 21:30:28,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d980d764/06ee0149f9d74cdda7a6c853d2f14c57/FLAGbdb0f7877 [2019-11-16 21:30:28,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d980d764/06ee0149f9d74cdda7a6c853d2f14c57 [2019-11-16 21:30:28,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:30:28,475 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:30:28,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:30:28,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:30:28,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:30:28,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:30:28" (1/1) ... [2019-11-16 21:30:28,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9902f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:28, skipping insertion in model container [2019-11-16 21:30:28,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:30:28" (1/1) ... [2019-11-16 21:30:28,522 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:30:28,637 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:30:29,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:30:29,615 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:30:29,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:30:29,943 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:30:29,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29 WrapperNode [2019-11-16 21:30:29,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:30:29,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:30:29,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:30:29,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:30:29,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:30:30,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:30:30,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:30:30,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:30:30,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:30:29" (1/1) ... [2019-11-16 21:30:30,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:30:30,231 INFO L168 Benchmark]: Toolchain (without parser) took 1736.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.0 MB in the end (delta: -7.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:30:30,232 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:30:30,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1462.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:30:30,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.67 ms. Allocated memory is still 1.0 GB. Free memory was 973.7 MB in the beginning and 968.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:30:30,246 INFO L168 Benchmark]: Boogie Preprocessor took 96.19 ms. Allocated memory is still 1.0 GB. Free memory is still 968.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:30:30,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1462.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.67 ms. Allocated memory is still 1.0 GB. Free memory was 973.7 MB in the beginning and 968.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.19 ms. Allocated memory is still 1.0 GB. Free memory is still 968.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...