./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c --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/seq-mthreaded/rekcba_aso.2.M1-1.c -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 8d1d7a1ef707c01fc698fa1ebd6eaa2395b3bdf3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:26:47,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:26:47,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:26:47,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:26:47,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:26:47,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:26:47,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:26:47,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:26:47,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:26:47,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:26:47,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:26:47,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:26:47,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:26:47,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:26:47,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:26:47,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:26:47,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:26:47,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:26:47,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:26:47,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:26:47,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:26:47,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:26:47,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:26:47,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:26:47,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:26:47,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:26:47,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:26:47,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:26:47,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:26:47,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:26:47,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:26:47,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:26:47,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:26:47,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:26:47,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:26:47,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:26:47,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:26:47,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:26:47,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:26:47,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:26:47,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:26:47,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:26:47,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:26:47,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:26:47,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:26:47,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:26:47,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:26:47,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:26:47,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:26:47,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:26:47,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:26:47,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:26:47,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:26:47,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:26:47,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:26:47,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:26:47,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:26:47,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:26:47,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:26:47,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:26:47,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:26:47,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:26:47,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:26:47,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:26:47,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:26:47,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:26:47,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:26:47,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:26:47,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:26:47,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:26:47,939 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 -> 8d1d7a1ef707c01fc698fa1ebd6eaa2395b3bdf3 [2019-11-16 21:26:48,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:26:48,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:26:48,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:26:48,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:26:48,631 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:26:48,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c [2019-11-16 21:26:48,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb85a4f0a/f90b0471432f4d11b539e34bfc21b1b1/FLAGab2e80aac [2019-11-16 21:26:50,254 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:26:50,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c [2019-11-16 21:26:50,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb85a4f0a/f90b0471432f4d11b539e34bfc21b1b1/FLAGab2e80aac [2019-11-16 21:26:50,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb85a4f0a/f90b0471432f4d11b539e34bfc21b1b1 [2019-11-16 21:26:50,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:26:50,371 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:26:50,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:26:50,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:26:50,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:26:50,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:26:50" (1/1) ... [2019-11-16 21:26:50,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106775e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:50, skipping insertion in model container [2019-11-16 21:26:50,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:26:50" (1/1) ... [2019-11-16 21:26:50,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:26:50,593 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:26:52,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:26:52,376 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:26:52,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:26:53,024 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:26:53,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53 WrapperNode [2019-11-16 21:26:53,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:26:53,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:26:53,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:26:53,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:26:53,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:53,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:55,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:26:55,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:26:55,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:26:55,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:26:55,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:55,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:56,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:56,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:56,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:57,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:57,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:53" (1/1) ... [2019-11-16 21:26:57,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:26:57,978 INFO L168 Benchmark]: Toolchain (without parser) took 7604.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 776.5 MB in the end (delta: 179.5 MB). Peak memory consumption was 179.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:26:57,980 INFO L168 Benchmark]: CDTParser took 2.01 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 21:26:57,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2650.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 910.0 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 12.5 GB. [2019-11-16 21:26:57,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 2685.84 ms. Allocated memory is still 1.0 GB. Free memory was 910.0 MB in the beginning and 909.3 MB in the end (delta: 681.3 kB). Peak memory consumption was 278.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:26:57,989 INFO L168 Benchmark]: Boogie Preprocessor took 2255.94 ms. Allocated memory is still 1.0 GB. Free memory was 909.3 MB in the beginning and 776.5 MB in the end (delta: 132.8 MB). Peak memory consumption was 132.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:26:58,001 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.01 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 2650.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 910.0 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 2685.84 ms. Allocated memory is still 1.0 GB. Free memory was 910.0 MB in the beginning and 909.3 MB in the end (delta: 681.3 kB). Peak memory consumption was 278.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2255.94 ms. Allocated memory is still 1.0 GB. Free memory was 909.3 MB in the beginning and 776.5 MB in the end (delta: 132.8 MB). Peak memory consumption was 132.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...