./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i --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-lopstr16/flag_loopdep_simple.i -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 62c4ef61e71a10dc12b16c6d3735742caad6a1ec .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-lopstr16/flag_loopdep_simple.i -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 62c4ef61e71a10dc12b16c6d3735742caad6a1ec ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:17:50,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:17:50,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:17:50,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:17:50,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:17:50,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:17:50,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:17:50,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:17:50,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:17:50,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:17:50,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:17:50,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:17:50,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:17:50,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:17:50,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:17:50,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:17:50,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:17:50,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:17:50,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:17:50,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:17:50,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:17:50,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:17:50,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:17:50,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:17:50,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:17:50,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:17:50,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:17:50,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:17:50,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:17:50,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:17:50,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:17:50,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:17:50,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:17:50,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:17:50,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:17:50,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:17:50,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:17:50,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:17:50,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:17:50,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:17:50,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:17:50,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:17:50,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:17:50,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:17:50,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:17:50,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:17:50,912 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:17:50,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:17:50,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:17:50,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:17:50,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:17:50,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:17:50,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:17:50,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:17:50,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:17:50,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:17:50,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:17:50,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:17:50,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:17:50,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:17:50,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:17:50,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:17:50,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:17:50,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:17:50,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:17:50,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:17:50,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:17:50,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:17:50,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:17:50,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:17:50,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c4ef61e71a10dc12b16c6d3735742caad6a1ec [2019-11-27 09:17:51,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:17:51,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:17:51,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:17:51,423 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:17:51,423 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:17:51,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2019-11-27 09:17:51,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a808e71/d9155ef8479948cb8c2eb295fa154c2d/FLAGdf3ce93a0 [2019-11-27 09:17:52,220 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:17:52,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2019-11-27 09:17:52,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a808e71/d9155ef8479948cb8c2eb295fa154c2d/FLAGdf3ce93a0 [2019-11-27 09:17:52,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a808e71/d9155ef8479948cb8c2eb295fa154c2d [2019-11-27 09:17:52,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:17:52,554 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:17:52,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:52,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:17:52,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:17:52,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:52,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52, skipping insertion in model container [2019-11-27 09:17:52,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:52,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:17:52,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:17:52,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:52,893 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:17:52,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:52,987 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:17:52,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52 WrapperNode [2019-11-27 09:17:52,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:52,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:52,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:17:52,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:17:53,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:53,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:17:53,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:17:53,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:17:53,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:52" (1/1) ... [2019-11-27 09:17:53,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:17:53,123 INFO L168 Benchmark]: Toolchain (without parser) took 564.85 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 991.2 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:53,125 INFO L168 Benchmark]: CDTParser took 0.22 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 09:17:53,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.26 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 1.0 GB in the end (delta: -42.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:17:53,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.66 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 996.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:17:53,143 INFO L168 Benchmark]: Boogie Preprocessor took 43.03 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:17:53,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 431.26 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 1.0 GB in the end (delta: -42.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 84.66 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 996.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.03 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:17:55,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:17:55,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:17:55,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:17:55,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:17:55,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:17:55,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:17:55,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:17:55,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:17:55,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:17:55,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:17:55,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:17:55,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:17:55,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:17:55,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:17:55,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:17:55,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:17:55,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:17:55,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:17:55,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:17:55,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:17:55,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:17:55,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:17:55,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:17:55,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:17:55,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:17:55,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:17:55,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:17:55,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:17:55,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:17:55,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:17:55,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:17:55,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:17:55,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:17:55,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:17:55,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:17:55,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:17:55,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:17:55,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:17:55,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:17:55,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:17:55,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:17:56,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:17:56,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:17:56,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:17:56,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:17:56,026 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:17:56,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:17:56,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:17:56,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:17:56,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:17:56,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:17:56,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:17:56,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:17:56,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:17:56,030 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:17:56,030 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:17:56,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:17:56,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:17:56,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:17:56,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:17:56,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:17:56,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:17:56,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:17:56,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:17:56,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:17:56,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:17:56,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:17:56,038 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:17:56,038 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:17:56,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:17:56,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:17:56,039 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 -> 62c4ef61e71a10dc12b16c6d3735742caad6a1ec [2019-11-27 09:17:56,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:17:56,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:17:56,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:17:56,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:17:56,534 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:17:56,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2019-11-27 09:17:56,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0fd98d6/c07e2f492b7b48bfa7201728116a4c46/FLAGa6669e697 [2019-11-27 09:17:57,342 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:17:57,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2019-11-27 09:17:57,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0fd98d6/c07e2f492b7b48bfa7201728116a4c46/FLAGa6669e697 [2019-11-27 09:17:57,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0fd98d6/c07e2f492b7b48bfa7201728116a4c46 [2019-11-27 09:17:57,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:17:57,684 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:17:57,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:57,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:17:57,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:17:57,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:57" (1/1) ... [2019-11-27 09:17:57,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67918653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:57, skipping insertion in model container [2019-11-27 09:17:57,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:57" (1/1) ... [2019-11-27 09:17:57,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:17:57,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:17:58,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:58,047 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:17:58,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:58,149 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:17:58,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58 WrapperNode [2019-11-27 09:17:58,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:58,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:58,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:17:58,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:17:58,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:58,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:17:58,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:17:58,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:17:58,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:58" (1/1) ... [2019-11-27 09:17:58,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:17:58,272 INFO L168 Benchmark]: Toolchain (without parser) took 586.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:58,274 INFO L168 Benchmark]: CDTParser took 1.29 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 09:17:58,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:17:58,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.35 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:58,277 INFO L168 Benchmark]: Boogie Preprocessor took 54.25 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:58,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 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 460.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 61.35 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.25 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...