./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/prefixsum_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/verifythis/prefixsum_rec.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 4f7077bba653370b680c2ff46ec9417a9e7cf514 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/verifythis/prefixsum_rec.c -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 4f7077bba653370b680c2ff46ec9417a9e7cf514 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:33,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:33,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:33,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:33,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:33,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:33,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:33,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:33,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:33,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:33,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:33,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:33,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:33,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:33,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:33,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:33,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:33,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:33,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:33,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:33,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:33,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:33,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:33,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:33,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:33,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:33,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:33,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:33,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:33,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:33,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:33,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:33,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:33,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:33,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:33,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:33,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:33,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:33,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:33,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:33,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:33,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:33,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:33,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:33,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:33,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:33,910 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:33,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:33,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:33,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:33,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:33,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:33,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:33,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:33,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:33,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:33,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:33,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:33,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:33,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:33,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:33,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:33,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:33,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:33,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:33,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:33,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:33,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:33,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:33,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:33,926 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 -> 4f7077bba653370b680c2ff46ec9417a9e7cf514 [2019-11-26 17:12:34,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:34,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:34,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:34,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:34,613 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:34,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-26 17:12:34,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30190c961/e259a1a249034d24b4ca102c2e072f0d/FLAG3aae8d131 [2019-11-26 17:12:35,822 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:35,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-26 17:12:35,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30190c961/e259a1a249034d24b4ca102c2e072f0d/FLAG3aae8d131 [2019-11-26 17:12:35,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30190c961/e259a1a249034d24b4ca102c2e072f0d [2019-11-26 17:12:35,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:35,981 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:35,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:35,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:35,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:35,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:35" (1/1) ... [2019-11-26 17:12:35,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0cdb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:35, skipping insertion in model container [2019-11-26 17:12:35,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:35" (1/1) ... [2019-11-26 17:12:36,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:36,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:36,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:36,581 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:36,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:36,789 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:36,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36 WrapperNode [2019-11-26 17:12:36,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:36,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:36,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:36,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:36,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:36,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:36,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:36,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:36,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:36,979 INFO L168 Benchmark]: Toolchain (without parser) took 995.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.6 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:36,994 INFO L168 Benchmark]: CDTParser took 1.30 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:36,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:36,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.51 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:37,001 INFO L168 Benchmark]: Boogie Preprocessor took 89.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:37,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 801.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 92.51 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 89.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. 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 0.1.24-025d5a2 [2019-11-26 17:12:40,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:40,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:41,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:41,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:41,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:41,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:41,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:41,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:41,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:41,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:41,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:41,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:41,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:41,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:41,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:41,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:41,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:41,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:41,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:41,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:41,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:41,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:41,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:41,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:41,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:41,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:41,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:41,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:41,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:41,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:41,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:41,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:41,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:41,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:41,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:41,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:41,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:41,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:41,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:41,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:41,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:41,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:41,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:41,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:41,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:41,214 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:41,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:41,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:41,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:41,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:41,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:41,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:41,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:41,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:41,219 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:41,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:41,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:41,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:41,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:41,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:41,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:41,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:41,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:41,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:41,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:41,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:41,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:41,226 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:41,228 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:41,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:41,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:41,230 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 -> 4f7077bba653370b680c2ff46ec9417a9e7cf514 [2019-11-26 17:12:41,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:41,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:41,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:41,742 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:41,746 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:41,748 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-26 17:12:41,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8bca69db/5fd5e6f81d494b1aacc2dd92e4aa7d06/FLAGc56415196 [2019-11-26 17:12:42,935 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:42,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-26 17:12:42,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8bca69db/5fd5e6f81d494b1aacc2dd92e4aa7d06/FLAGc56415196 [2019-11-26 17:12:43,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8bca69db/5fd5e6f81d494b1aacc2dd92e4aa7d06 [2019-11-26 17:12:43,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:43,084 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:43,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:43,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:43,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:43,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:43" (1/1) ... [2019-11-26 17:12:43,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f4bb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:43, skipping insertion in model container [2019-11-26 17:12:43,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:43" (1/1) ... [2019-11-26 17:12:43,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:43,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:43,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:43,748 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:43,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:44,071 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:44,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44 WrapperNode [2019-11-26 17:12:44,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:44,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:44,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:44,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:44,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:44,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:44,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:44,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:44,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:44,315 INFO L168 Benchmark]: Toolchain (without parser) took 1227.09 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 984.2 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:44,319 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-26 17:12:44,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 985.87 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:44,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.46 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:44,327 INFO L168 Benchmark]: Boogie Preprocessor took 115.76 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:44,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 985.87 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.46 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 990.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 115.76 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...