./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/avg.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/reducercommutativity/avg.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 704389633f786b8f459e07240134137dbbeaeb7e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:58:50,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 20:58:50,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 20:58:50,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 20:58:50,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 20:58:50,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 20:58:50,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 20:58:50,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 20:58:50,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 20:58:50,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 20:58:50,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 20:58:50,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 20:58:50,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 20:58:50,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 20:58:50,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 20:58:50,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 20:58:50,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 20:58:50,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 20:58:50,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 20:58:50,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 20:58:50,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 20:58:50,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 20:58:50,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 20:58:50,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 20:58:50,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 20:58:50,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 20:58:50,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 20:58:50,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 20:58:50,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 20:58:50,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 20:58:50,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 20:58:50,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 20:58:50,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 20:58:50,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 20:58:50,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 20:58:50,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 20:58:50,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 20:58:50,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 20:58:50,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 20:58:50,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 20:58:50,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 20:58:50,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 20:58:50,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 20:58:50,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 20:58:50,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 20:58:50,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 20:58:50,942 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 20:58:50,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 20:58:50,943 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 20:58:50,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 20:58:50,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 20:58:50,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 20:58:50,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 20:58:50,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 20:58:50,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 20:58:50,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 20:58:50,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 20:58:50,951 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 20:58:50,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 20:58:50,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 20:58:50,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 20:58:50,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 20:58:50,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 20:58:50,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 20:58:50,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 20:58:50,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 20:58:50,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 20:58:50,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 20:58:50,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 20:58:50,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 20:58:50,958 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 -> 704389633f786b8f459e07240134137dbbeaeb7e [2019-11-16 20:58:51,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 20:58:51,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 20:58:51,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 20:58:51,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 20:58:51,555 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 20:58:51,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg.i [2019-11-16 20:58:51,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76abbc4f5/8a338b006a8a4470a4bdbb8304721d0b/FLAG679c69c33 [2019-11-16 20:58:52,837 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 20:58:52,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg.i [2019-11-16 20:58:52,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76abbc4f5/8a338b006a8a4470a4bdbb8304721d0b/FLAG679c69c33 [2019-11-16 20:58:52,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76abbc4f5/8a338b006a8a4470a4bdbb8304721d0b [2019-11-16 20:58:52,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 20:58:52,914 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 20:58:52,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 20:58:52,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 20:58:52,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 20:58:52,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:58:52" (1/1) ... [2019-11-16 20:58:52,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18211115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:52, skipping insertion in model container [2019-11-16 20:58:52,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:58:52" (1/1) ... [2019-11-16 20:58:52,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 20:58:53,017 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 20:58:53,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 20:58:53,546 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 20:58:53,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 20:58:53,716 INFO L192 MainTranslator]: Completed translation [2019-11-16 20:58:53,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53 WrapperNode [2019-11-16 20:58:53,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 20:58:53,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 20:58:53,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 20:58:53,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 20:58:53,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 20:58:53,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 20:58:53,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 20:58:53,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 20:58:53,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:58:53" (1/1) ... [2019-11-16 20:58:53,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 20:58:53,951 INFO L168 Benchmark]: Toolchain (without parser) took 1030.34 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 20:58:53,954 INFO L168 Benchmark]: CDTParser took 0.33 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 20:58:53,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.47 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-16 20:58:53,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.70 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 20:58:53,970 INFO L168 Benchmark]: Boogie Preprocessor took 100.98 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 20:58:53,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 799.47 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 121.70 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.98 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...