./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/n.c24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/n.c24.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 c7051f9e5aad7cd3b184ebb58abdb9dd530114d3 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/n.c24.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 c7051f9e5aad7cd3b184ebb58abdb9dd530114d3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:32,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:32,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:32,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:32,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:32,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:32,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:32,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:32,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:32,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:32,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:32,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:32,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:32,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:32,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:32,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:32,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:32,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:32,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:32,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:32,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:32,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:32,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:32,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:32,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:32,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:32,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:32,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:32,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:32,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:32,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:32,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:32,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:32,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:32,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:32,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:32,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:32,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:32,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:32,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:32,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:32,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:09:32,632 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:32,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:32,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:32,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:32,639 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:32,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:32,639 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:32,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:09:32,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:32,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:32,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:32,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:32,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:32,646 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:32,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:32,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:32,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:32,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:32,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:32,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:32,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:32,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:32,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:32,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:32,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:32,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:32,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:09:32,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:09:32,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:32,657 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 -> c7051f9e5aad7cd3b184ebb58abdb9dd530114d3 [2019-11-24 21:09:33,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:33,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:33,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:33,223 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:33,224 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:33,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c24.i [2019-11-24 21:09:33,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e483a0a0/3dff8c72af5742119c28817a5d69ca38/FLAGab5e8ba17 [2019-11-24 21:09:34,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:34,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c24.i [2019-11-24 21:09:34,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e483a0a0/3dff8c72af5742119c28817a5d69ca38/FLAGab5e8ba17 [2019-11-24 21:09:34,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e483a0a0/3dff8c72af5742119c28817a5d69ca38 [2019-11-24 21:09:34,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:34,674 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:34,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:34,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:34,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:34,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:34" (1/1) ... [2019-11-24 21:09:34,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da8f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:34, skipping insertion in model container [2019-11-24 21:09:34,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:34" (1/1) ... [2019-11-24 21:09:34,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:34,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:35,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:35,465 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:35,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:35,629 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:35,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35 WrapperNode [2019-11-24 21:09:35,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:35,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:35,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:35,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:35,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:35,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:35,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:35,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:35,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:35" (1/1) ... [2019-11-24 21:09:35,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:35,904 INFO L168 Benchmark]: Toolchain (without parser) took 1223.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 979.8 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:35,918 INFO L168 Benchmark]: CDTParser took 0.90 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. [2019-11-24 21:09:35,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 948.78 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:35,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.49 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 979.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:35,929 INFO L168 Benchmark]: Boogie Preprocessor took 101.65 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:35,939 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 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 948.78 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 153.49 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 979.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.65 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 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 0.1.24-32f2683 [2019-11-24 21:09:39,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:39,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:39,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:39,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:39,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:39,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:39,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:39,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:39,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:39,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:39,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:39,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:39,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:39,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:39,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:39,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:39,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:39,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:39,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:39,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:39,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:39,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:39,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:39,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:39,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:39,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:39,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:39,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:39,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:39,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:39,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:39,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:39,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:39,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:39,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:39,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:39,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:39,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:39,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:39,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:39,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:09:39,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:09:39,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:09:39,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:09:39,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:09:39,932 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:09:39,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:09:39,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:09:39,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:09:39,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:09:39,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:09:39,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:09:39,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:09:39,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:09:39,940 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:09:39,941 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:09:39,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:09:39,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:09:39,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:09:39,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:09:39,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:09:39,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:09:39,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:09:39,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:09:39,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:09:39,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:09:39,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:09:39,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:09:39,946 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:09:39,948 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:09:39,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:09:39,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:09:39,950 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 -> c7051f9e5aad7cd3b184ebb58abdb9dd530114d3 [2019-11-24 21:09:40,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:09:40,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:09:40,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:09:40,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:09:40,515 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:09:40,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c24.i [2019-11-24 21:09:40,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ffc422f/63997c3c27ef428ca61eb188a6890966/FLAG2e19f0083 [2019-11-24 21:09:41,792 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:09:41,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c24.i [2019-11-24 21:09:41,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ffc422f/63997c3c27ef428ca61eb188a6890966/FLAG2e19f0083 [2019-11-24 21:09:41,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ffc422f/63997c3c27ef428ca61eb188a6890966 [2019-11-24 21:09:41,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:09:41,872 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:41,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:41,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:41,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:41,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:41" (1/1) ... [2019-11-24 21:09:41,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a15442b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:41, skipping insertion in model container [2019-11-24 21:09:41,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:09:41" (1/1) ... [2019-11-24 21:09:41,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:41,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:42,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:42,749 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:42,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:42,968 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:42,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42 WrapperNode [2019-11-24 21:09:42,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:42,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:42,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:42,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:42,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:43,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:43,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:43,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:43,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:42" (1/1) ... [2019-11-24 21:09:43,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:43,254 INFO L168 Benchmark]: Toolchain (without parser) took 1378.45 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 984.2 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:43,256 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-24 21:09:43,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:43,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.02 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:43,262 INFO L168 Benchmark]: Boogie Preprocessor took 120.86 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:43,282 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1093.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 155.02 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.86 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...