./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/nec11.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/loops/nec11.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 956956519a5dd5945389347ef99ef2322ddc4acd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nec11.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 956956519a5dd5945389347ef99ef2322ddc4acd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:55:46,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:46,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:46,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:46,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:46,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:46,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:46,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:46,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:47,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:47,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:47,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:47,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:47,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:47,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:47,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:47,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:47,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:47,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:47,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:47,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:47,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:47,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:47,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:47,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:47,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:47,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:47,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:47,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:47,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:47,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:47,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:47,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:47,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:47,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:47,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:47,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:47,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:47,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:47,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:47,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:47,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:47,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:47,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:47,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:47,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:47,141 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:47,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:47,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:47,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:47,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:47,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:47,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:47,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:47,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:47,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:47,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:47,150 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:47,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:47,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:47,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:47,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:47,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:47,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:47,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:47,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:47,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:47,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:47,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:47,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:47,157 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 -> 956956519a5dd5945389347ef99ef2322ddc4acd [2019-11-25 22:55:47,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:47,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:47,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:47,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:47,779 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:47,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec11.c [2019-11-25 22:55:47,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e12323cb/94c6e3d941ac4d5599d317e2f8f1838c/FLAG0be1fcbdb [2019-11-25 22:55:49,007 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:49,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec11.c [2019-11-25 22:55:49,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e12323cb/94c6e3d941ac4d5599d317e2f8f1838c/FLAG0be1fcbdb [2019-11-25 22:55:49,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e12323cb/94c6e3d941ac4d5599d317e2f8f1838c [2019-11-25 22:55:49,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:49,073 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:49,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:49,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:49,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:49,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ee0255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49, skipping insertion in model container [2019-11-25 22:55:49,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:49,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:49,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:49,586 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:49,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:49,672 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:49,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49 WrapperNode [2019-11-25 22:55:49,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:49,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:49,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:49,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:49,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:49,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:49,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:49,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:49,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:49,910 INFO L168 Benchmark]: Toolchain (without parser) took 818.10 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 997.0 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:49,912 INFO L168 Benchmark]: CDTParser took 0.38 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 22:55:49,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.46 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:49,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:49,922 INFO L168 Benchmark]: Boogie Preprocessor took 34.64 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:49,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 597.46 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 173.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 34.64 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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 22:55:54,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:54,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:54,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:54,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:54,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:54,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:54,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:54,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:54,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:54,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:54,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:54,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:54,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:54,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:54,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:54,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:54,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:54,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:54,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:54,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:54,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:54,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:54,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:54,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:54,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:54,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:54,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:54,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:54,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:54,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:54,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:54,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:54,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:54,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:54,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:54,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:54,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:54,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:54,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:54,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:54,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:54,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:54,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:54,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:54,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:54,229 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:54,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:54,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:54,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:54,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:54,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:54,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:54,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:54,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:54,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:54,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:54,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:54,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:54,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:54,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:54,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:54,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:54,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:54,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:54,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:54,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:54,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:54,243 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:54,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:54,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:54,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:54,247 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 -> 956956519a5dd5945389347ef99ef2322ddc4acd [2019-11-25 22:55:54,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:54,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:54,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:54,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:54,815 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:54,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec11.c [2019-11-25 22:55:54,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6fd4a1e0/2e181fbd74f7412ba8763a8fb6837bc3/FLAGc09126cef [2019-11-25 22:55:56,017 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:56,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec11.c [2019-11-25 22:55:56,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6fd4a1e0/2e181fbd74f7412ba8763a8fb6837bc3/FLAGc09126cef [2019-11-25 22:55:56,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6fd4a1e0/2e181fbd74f7412ba8763a8fb6837bc3 [2019-11-25 22:55:56,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:56,085 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:56,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:56,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:56,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:56,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56, skipping insertion in model container [2019-11-25 22:55:56,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:56,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:56,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:56,656 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:56,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:56,733 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:56,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56 WrapperNode [2019-11-25 22:55:56,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:56,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:56,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:56,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:56,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:56,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:56,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:56,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:56,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:56,990 INFO L168 Benchmark]: Toolchain (without parser) took 899.03 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:56,994 INFO L168 Benchmark]: CDTParser took 0.44 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 22:55:56,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.77 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. [2019-11-25 22:55:57,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.52 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:57,003 INFO L168 Benchmark]: Boogie Preprocessor took 53.87 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:57,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 645.77 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 191.52 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.87 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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...