./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/for_infinite_loop_2.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/loops/for_infinite_loop_2.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 e1df1cc3b7becbc475eb123d613ca77d2c5c5b02 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loops/for_infinite_loop_2.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 e1df1cc3b7becbc475eb123d613ca77d2c5c5b02 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:50:37,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:37,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:37,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:37,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:37,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:37,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:37,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:37,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:37,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:37,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:37,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:37,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:37,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:37,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:37,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:37,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:37,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:37,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:37,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:37,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:37,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:37,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:37,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:37,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:37,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:37,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:37,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:37,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:37,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:37,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:37,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:37,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:37,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:37,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:37,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:37,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:37,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:37,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:37,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:37,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:37,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:37,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:37,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:37,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:37,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:37,888 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:37,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:37,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:37,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:37,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:37,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:37,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:37,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:37,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:37,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:37,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:37,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:37,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:37,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:37,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:37,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:37,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:37,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:37,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:37,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:37,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:37,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:37,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:37,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:37,906 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 -> e1df1cc3b7becbc475eb123d613ca77d2c5c5b02 [2019-11-27 09:50:38,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:38,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:38,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:38,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:38,549 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:38,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/for_infinite_loop_2.c [2019-11-27 09:50:38,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987ca8ec9/b40b431f1e9c41e2846eef3a431d0258/FLAG32fda7866 [2019-11-27 09:50:39,790 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:39,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/for_infinite_loop_2.c [2019-11-27 09:50:39,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987ca8ec9/b40b431f1e9c41e2846eef3a431d0258/FLAG32fda7866 [2019-11-27 09:50:39,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987ca8ec9/b40b431f1e9c41e2846eef3a431d0258 [2019-11-27 09:50:39,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:39,859 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:39,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:39,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:39,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:39,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:39" (1/1) ... [2019-11-27 09:50:39,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:39, skipping insertion in model container [2019-11-27 09:50:39,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:39" (1/1) ... [2019-11-27 09:50:39,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:39,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:40,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:40,418 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:40,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:40,500 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:40,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40 WrapperNode [2019-11-27 09:50:40,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:40,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:40,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:40,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:40,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:40,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:40,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:40,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:40,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:40" (1/1) ... [2019-11-27 09:50:40,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:40,748 INFO L168 Benchmark]: Toolchain (without parser) took 882.83 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: -36.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:40,751 INFO L168 Benchmark]: CDTParser took 0.40 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 09:50:40,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.90 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:40,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:40,760 INFO L168 Benchmark]: Boogie Preprocessor took 59.50 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 09:50:40,773 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 641.90 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 175.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.50 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. 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 09:50:44,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:44,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:44,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:44,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:44,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:44,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:44,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:44,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:44,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:44,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:44,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:44,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:44,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:44,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:44,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:44,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:44,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:44,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:44,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:44,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:44,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:44,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:44,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:44,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:44,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:44,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:44,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:44,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:44,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:44,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:44,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:44,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:44,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:44,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:44,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:44,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:44,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:44,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:44,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:44,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:44,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:45,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:45,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:45,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:45,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:45,038 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:45,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:45,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:45,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:45,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:45,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:45,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:45,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:45,043 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:45,046 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:45,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:45,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:45,047 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:45,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:45,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:45,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:45,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:45,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:45,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:45,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:45,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:45,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:45,054 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:45,054 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:45,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:45,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:45,056 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 -> e1df1cc3b7becbc475eb123d613ca77d2c5c5b02 [2019-11-27 09:50:45,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:45,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:45,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:45,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:45,708 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:45,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/for_infinite_loop_2.c [2019-11-27 09:50:45,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd22c701/aef4111163684982be25ba779933fd9b/FLAG1f4d0901c [2019-11-27 09:50:46,974 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:46,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/for_infinite_loop_2.c [2019-11-27 09:50:46,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd22c701/aef4111163684982be25ba779933fd9b/FLAG1f4d0901c [2019-11-27 09:50:47,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd22c701/aef4111163684982be25ba779933fd9b [2019-11-27 09:50:47,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:47,045 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:47,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:47,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:47,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:47,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c63881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47, skipping insertion in model container [2019-11-27 09:50:47,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:47,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:47,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:47,575 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:47,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:47,657 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:47,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47 WrapperNode [2019-11-27 09:50:47,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:47,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:47,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:47,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:47,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:47,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:47,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:47,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:47,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:47" (1/1) ... [2019-11-27 09:50:47,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:47,921 INFO L168 Benchmark]: Toolchain (without parser) took 872.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 09:50:47,925 INFO L168 Benchmark]: CDTParser took 2.56 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 09:50:47,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.52 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:47,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:47,935 INFO L168 Benchmark]: Boogie Preprocessor took 73.64 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-27 09:50:47,948 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56 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 611.52 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 175.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.64 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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...