./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/modnf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-fpi/modnf.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 3fd3ccab48e72f12ae121d44bf0e0da956d21d01 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-fpi/modnf.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 3fd3ccab48e72f12ae121d44bf0e0da956d21d01 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:18:26,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:18:26,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:18:26,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:18:26,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:18:26,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:18:26,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:18:26,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:18:26,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:18:26,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:18:26,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:18:26,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:18:26,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:18:26,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:18:26,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:18:26,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:18:26,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:18:26,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:18:26,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:18:26,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:18:26,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:18:26,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:18:26,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:18:26,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:18:26,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:18:26,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:18:26,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:18:26,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:18:26,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:18:26,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:18:26,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:18:26,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:18:26,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:18:26,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:18:26,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:18:26,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:18:26,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:18:26,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:18:26,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:18:26,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:18:26,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:18:26,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:18:26,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:18:26,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:18:26,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:18:26,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:18:26,871 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:18:26,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:18:26,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:18:26,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:18:26,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:18:26,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:18:26,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:18:26,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:18:26,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:18:26,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:18:26,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:18:26,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:18:26,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:18:26,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:18:26,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:18:26,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:18:26,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:18:26,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:18:26,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:18:26,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:18:26,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:18:26,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:18:26,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:18:26,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:18:26,885 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 -> 3fd3ccab48e72f12ae121d44bf0e0da956d21d01 [2019-11-27 09:18:27,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:18:27,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:18:27,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:18:27,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:18:27,494 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:18:27,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/modnf.c [2019-11-27 09:18:27,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/356b09879/bc284f2098aa4519a7dab1c93f2abb34/FLAG27622cc05 [2019-11-27 09:18:28,756 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:18:28,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/modnf.c [2019-11-27 09:18:28,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/356b09879/bc284f2098aa4519a7dab1c93f2abb34/FLAG27622cc05 [2019-11-27 09:18:28,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/356b09879/bc284f2098aa4519a7dab1c93f2abb34 [2019-11-27 09:18:28,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:18:28,841 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:18:28,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:28,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:18:28,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:18:28,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:18:28" (1/1) ... [2019-11-27 09:18:28,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116ef4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:28, skipping insertion in model container [2019-11-27 09:18:28,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:18:28" (1/1) ... [2019-11-27 09:18:28,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:18:28,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:18:29,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:29,443 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:18:29,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:29,607 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:18:29,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29 WrapperNode [2019-11-27 09:18:29,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:29,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:29,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:18:29,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:18:29,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:29,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:18:29,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:18:29,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:18:29,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:29" (1/1) ... [2019-11-27 09:18:29,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:18:29,780 INFO L168 Benchmark]: Toolchain (without parser) took 923.77 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:29,782 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-27 09:18:29,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.90 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:18:29,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.61 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:29,793 INFO L168 Benchmark]: Boogie Preprocessor took 68.97 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:18:29,801 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 766.90 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 79.61 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.97 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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-da95e15 [2019-11-27 09:18:32,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:18:32,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:18:32,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:18:32,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:18:32,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:18:32,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:18:32,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:18:32,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:18:32,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:18:32,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:18:32,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:18:32,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:18:32,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:18:32,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:18:32,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:18:32,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:18:32,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:18:32,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:18:32,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:18:32,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:18:32,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:18:32,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:18:32,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:18:32,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:18:32,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:18:32,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:18:32,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:18:32,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:18:32,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:18:32,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:18:32,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:18:32,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:18:32,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:18:32,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:18:32,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:18:32,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:18:32,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:18:32,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:18:32,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:18:32,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:18:32,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:18:32,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:18:32,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:18:32,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:18:32,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:18:32,808 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:18:32,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:18:32,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:18:32,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:18:32,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:18:32,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:18:32,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:18:32,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:18:32,813 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:18:32,814 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:18:32,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:18:32,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:18:32,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:18:32,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:18:32,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:18:32,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:18:32,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:18:32,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:18:32,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:18:32,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:18:32,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:18:32,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:18:32,819 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:18:32,819 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:18:32,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:18:32,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:18:32,821 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 -> 3fd3ccab48e72f12ae121d44bf0e0da956d21d01 [2019-11-27 09:18:33,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:18:33,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:18:33,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:18:33,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:18:33,312 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:18:33,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/modnf.c [2019-11-27 09:18:33,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ccc9a94/ee1b3897bad140a28419abe827d33d1b/FLAGe4dba4a76 [2019-11-27 09:18:34,236 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:18:34,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/modnf.c [2019-11-27 09:18:34,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ccc9a94/ee1b3897bad140a28419abe827d33d1b/FLAGe4dba4a76 [2019-11-27 09:18:34,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ccc9a94/ee1b3897bad140a28419abe827d33d1b [2019-11-27 09:18:34,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:18:34,569 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:18:34,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:34,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:18:34,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:18:34,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:18:34" (1/1) ... [2019-11-27 09:18:34,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e68b912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:34, skipping insertion in model container [2019-11-27 09:18:34,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:18:34" (1/1) ... [2019-11-27 09:18:34,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:18:34,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:18:35,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:35,156 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:18:35,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:18:35,347 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:18:35,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35 WrapperNode [2019-11-27 09:18:35,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:18:35,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:35,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:18:35,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:18:35,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:18:35,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:18:35,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:18:35,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:18:35,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:18:35" (1/1) ... [2019-11-27 09:18:35,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:18:35,547 INFO L168 Benchmark]: Toolchain (without parser) took 973.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:35,550 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-27 09:18:35,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:18:35,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.18 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:18:35,557 INFO L168 Benchmark]: Boogie Preprocessor took 80.64 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:18:35,569 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 780.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 106.18 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.64 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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...