./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-tiling/rewnifrev.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/array-tiling/rewnifrev.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 ffa88e3e6e94d3f5e974b8dea5429f235587d735 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/array-tiling/rewnifrev.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 ffa88e3e6e94d3f5e974b8dea5429f235587d735 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:21:38,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:21:38,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:21:38,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:21:38,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:21:38,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:21:38,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:21:38,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:21:38,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:21:38,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:21:38,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:21:38,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:21:38,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:21:38,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:21:38,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:21:38,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:21:38,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:21:38,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:21:38,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:21:38,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:21:38,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:21:38,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:21:38,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:21:38,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:21:38,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:21:38,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:21:38,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:21:38,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:21:38,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:21:38,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:21:38,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:21:38,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:21:38,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:21:38,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:21:38,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:21:38,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:21:38,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:21:38,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:21:38,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:21:38,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:21:38,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:21:38,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:21:38,902 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:21:38,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:21:38,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:21:38,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:21:38,908 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:21:38,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:21:38,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:21:38,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:21:38,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:21:38,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:21:38,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:21:38,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:21:38,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:21:38,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:21:38,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:21:38,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:21:38,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:21:38,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:21:38,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:21:38,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:21:38,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:21:38,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:21:38,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:21:38,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:21:38,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:21:38,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:21:38,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:21:38,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:21:38,923 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 -> ffa88e3e6e94d3f5e974b8dea5429f235587d735 [2019-11-25 22:21:39,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:21:39,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:21:39,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:21:39,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:21:39,598 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:21:39,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/rewnifrev.c [2019-11-25 22:21:39,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f15a64b/863cf2cf37ef4442a1287e63a1213372/FLAG5a3c0ec4b [2019-11-25 22:21:40,805 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:21:40,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/rewnifrev.c [2019-11-25 22:21:40,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f15a64b/863cf2cf37ef4442a1287e63a1213372/FLAG5a3c0ec4b [2019-11-25 22:21:40,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f15a64b/863cf2cf37ef4442a1287e63a1213372 [2019-11-25 22:21:40,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:21:40,878 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:21:40,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:40,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:21:40,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:21:40,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:40" (1/1) ... [2019-11-25 22:21:40,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aafe98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40, skipping insertion in model container [2019-11-25 22:21:40,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:40" (1/1) ... [2019-11-25 22:21:40,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:21:40,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:21:41,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:41,507 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:21:41,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:41,597 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:21:41,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41 WrapperNode [2019-11-25 22:21:41,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:41,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:41,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:21:41,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:21:41,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:41,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:21:41,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:21:41,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:21:41,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:41" (1/1) ... [2019-11-25 22:21:41,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:21:41,870 INFO L168 Benchmark]: Toolchain (without parser) took 974.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:41,873 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-25 22:21:41,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:41,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 991.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:41,882 INFO L168 Benchmark]: Boogie Preprocessor took 69.44 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. [2019-11-25 22:21:41,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 716.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 171.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 991.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 69.44 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:21:45,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:21:45,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:21:45,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:21:45,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:21:45,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:21:45,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:21:45,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:21:45,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:21:45,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:21:45,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:21:45,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:21:45,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:21:45,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:21:45,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:21:45,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:21:45,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:21:45,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:21:45,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:21:45,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:21:45,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:21:45,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:21:45,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:21:45,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:21:45,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:21:45,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:21:45,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:21:45,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:21:45,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:21:45,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:21:45,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:21:45,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:21:45,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:21:45,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:21:45,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:21:45,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:21:45,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:21:45,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:21:45,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:21:45,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:21:45,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:21:45,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:21:46,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:21:46,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:21:46,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:21:46,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:21:46,055 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:21:46,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:21:46,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:21:46,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:21:46,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:21:46,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:21:46,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:21:46,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:21:46,060 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:21:46,060 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:21:46,061 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:21:46,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:21:46,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:21:46,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:21:46,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:21:46,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:21:46,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:21:46,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:21:46,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:21:46,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:21:46,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:21:46,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:21:46,072 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:21:46,072 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:21:46,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:21:46,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:21:46,074 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 -> ffa88e3e6e94d3f5e974b8dea5429f235587d735 [2019-11-25 22:21:46,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:21:46,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:21:46,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:21:46,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:21:46,758 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:21:46,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/rewnifrev.c [2019-11-25 22:21:46,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d467694a2/d00df6b0aced45c7a4147ec993a7faec/FLAGb1dac33bb [2019-11-25 22:21:47,978 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:21:47,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/rewnifrev.c [2019-11-25 22:21:47,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d467694a2/d00df6b0aced45c7a4147ec993a7faec/FLAGb1dac33bb [2019-11-25 22:21:48,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d467694a2/d00df6b0aced45c7a4147ec993a7faec [2019-11-25 22:21:48,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:21:48,051 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:21:48,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:48,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:21:48,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:21:48,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:48,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0bf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48, skipping insertion in model container [2019-11-25 22:21:48,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:48,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:21:48,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:21:48,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:48,656 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:21:48,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:48,874 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:21:48,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48 WrapperNode [2019-11-25 22:21:48,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:48,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:48,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:21:48,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:21:48,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:48,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:48,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:48,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:21:48,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:21:48,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:21:49,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:49,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:49,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:49,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:49,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:49,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:49,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:48" (1/1) ... [2019-11-25 22:21:49,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:21:49,065 INFO L168 Benchmark]: Toolchain (without parser) took 1011.57 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. [2019-11-25 22:21:49,067 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:49,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.44 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. [2019-11-25 22:21:49,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.66 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:49,071 INFO L168 Benchmark]: Boogie Preprocessor took 75.41 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. [2019-11-25 22:21:49,094 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 823.44 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 106.66 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.41 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...