./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/queue_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/queue_longest.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 378f4eeb6116ec0d76e78d99ab1734453e697785 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -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/queue_longest.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 378f4eeb6116ec0d76e78d99ab1734453e697785 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:01,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:01,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:01,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:01,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:01,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:01,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:01,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:01,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:01,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:01,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:01,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:01,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:01,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:01,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:01,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:01,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:01,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:02,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:02,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:02,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:02,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:02,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:02,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:02,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:02,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:02,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:02,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:02,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:02,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:02,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:02,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:02,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:02,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:02,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:02,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:02,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:02,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:02,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:02,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:02,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:02,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:02,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:02,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:02,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:02,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:02,134 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:02,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:02,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:02,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:02,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:02,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:02,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:02,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:02,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:02,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:02,141 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:02,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:02,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:02,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:02,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:02,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:02,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:02,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:02,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:02,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:02,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:02,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:02,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:02,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:02,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:02,151 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 -> 378f4eeb6116ec0d76e78d99ab1734453e697785 [2019-11-24 21:26:02,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:02,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:02,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:02,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:02,749 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:02,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_longest.i [2019-11-24 21:26:02,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45d15d582/b1f55a3eb7234ee89024764be3aea4f0/FLAGff2eb5d7a [2019-11-24 21:26:04,232 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:04,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_longest.i [2019-11-24 21:26:04,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45d15d582/b1f55a3eb7234ee89024764be3aea4f0/FLAGff2eb5d7a [2019-11-24 21:26:04,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45d15d582/b1f55a3eb7234ee89024764be3aea4f0 [2019-11-24 21:26:04,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:04,332 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:04,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:04,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:04,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:04,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:04" (1/1) ... [2019-11-24 21:26:04,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0207cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:04, skipping insertion in model container [2019-11-24 21:26:04,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:04" (1/1) ... [2019-11-24 21:26:04,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:04,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:05,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:05,856 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:06,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:06,437 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:06,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06 WrapperNode [2019-11-24 21:26:06,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:06,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:06,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:06,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:06,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:06,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:06,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:06,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:06,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:06" (1/1) ... [2019-11-24 21:26:06,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:06,816 INFO L168 Benchmark]: Toolchain (without parser) took 2478.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:06,818 INFO L168 Benchmark]: CDTParser took 2.75 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. [2019-11-24 21:26:06,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2106.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:06,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 217.12 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:06,828 INFO L168 Benchmark]: Boogie Preprocessor took 144.27 ms. Allocated memory is still 1.0 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:06,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.75 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 2106.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 217.12 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 144.27 ms. Allocated memory is still 1.0 GB. Free memory is still 932.2 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:10,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:10,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:10,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:10,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:10,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:10,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:10,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:10,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:10,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:10,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:10,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:10,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:10,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:10,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:10,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:10,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:10,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:10,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:10,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:11,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:11,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:11,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:11,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:11,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:11,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:11,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:11,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:11,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:11,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:11,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:11,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:11,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:11,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:11,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:11,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:11,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:11,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:11,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:11,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:11,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:11,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:11,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:11,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:11,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:11,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:11,109 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:11,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:11,110 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:11,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:11,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:11,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:11,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:11,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:11,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:11,119 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:11,119 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:11,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:11,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:11,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:11,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:11,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:11,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:11,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:11,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:11,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:11,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:11,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:11,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:11,125 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:11,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:11,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:11,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:11,129 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> 378f4eeb6116ec0d76e78d99ab1734453e697785 [2019-11-24 21:26:11,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:11,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:11,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:11,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:11,806 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:11,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_longest.i [2019-11-24 21:26:11,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6159e34b2/ed6c285b0be542af819351659548a5b1/FLAG1bdbb3b4d [2019-11-24 21:26:13,283 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:13,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_longest.i [2019-11-24 21:26:13,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6159e34b2/ed6c285b0be542af819351659548a5b1/FLAG1bdbb3b4d [2019-11-24 21:26:13,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6159e34b2/ed6c285b0be542af819351659548a5b1 [2019-11-24 21:26:13,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:13,381 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:13,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:13,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:13,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:13,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:13" (1/1) ... [2019-11-24 21:26:13,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0207cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:13, skipping insertion in model container [2019-11-24 21:26:13,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:13" (1/1) ... [2019-11-24 21:26:13,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:13,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:14,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:14,905 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:15,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:15,485 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:15,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15 WrapperNode [2019-11-24 21:26:15,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:15,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:15,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:15,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:15,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:15,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:15,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:15,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:15,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:15" (1/1) ... [2019-11-24 21:26:15,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:15,879 INFO L168 Benchmark]: Toolchain (without parser) took 2493.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:15,884 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-11-24 21:26:15,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2107.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:15,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 228.77 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:15,892 INFO L168 Benchmark]: Boogie Preprocessor took 151.60 ms. Allocated memory is still 1.0 GB. Free memory is still 932.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:15,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 2107.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 228.77 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 151.60 ms. Allocated memory is still 1.0 GB. Free memory is still 932.1 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...