./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/diamond_2-2.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/loop-acceleration/diamond_2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c239e25bc1e45e912a3e7b96bb82f6853e587e9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-acceleration/diamond_2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c239e25bc1e45e912a3e7b96bb82f6853e587e9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:56:10,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:10,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:10,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:10,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:10,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:10,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:10,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:10,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:10,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:10,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:10,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:10,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:10,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:10,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:10,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:10,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:10,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:10,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:10,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:10,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:10,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:10,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:10,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:10,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:10,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:10,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:10,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:10,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:10,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:10,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:10,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:10,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:10,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:10,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:10,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:10,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:10,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:10,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:10,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:10,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:10,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:56:10,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:10,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:10,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:10,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:10,690 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:10,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:10,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:10,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:56:10,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:10,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:10,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:10,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:10,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:10,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:10,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:10,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:10,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:10,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:10,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:10,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:10,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:10,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:10,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:10,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:10,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:10,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:56:10,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:56:10,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:10,701 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 -> 4c239e25bc1e45e912a3e7b96bb82f6853e587e9 [2019-11-25 22:56:11,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:11,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:11,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:11,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:11,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:11,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2019-11-25 22:56:11,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca82ad63f/bd8f8dc9931b4120b19d1bb337e784ca/FLAG5b2bdac7e [2019-11-25 22:56:12,048 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:12,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2019-11-25 22:56:12,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca82ad63f/bd8f8dc9931b4120b19d1bb337e784ca/FLAG5b2bdac7e [2019-11-25 22:56:12,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca82ad63f/bd8f8dc9931b4120b19d1bb337e784ca [2019-11-25 22:56:12,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:12,306 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:12,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:12,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:12,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:12,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182ffbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12, skipping insertion in model container [2019-11-25 22:56:12,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:12,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:12,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:12,687 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:12,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:12,738 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:12,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12 WrapperNode [2019-11-25 22:56:12,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:12,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:12,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:12,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:12,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:12,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:12,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:12,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:12,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:12" (1/1) ... [2019-11-25 22:56:12,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:12,956 INFO L168 Benchmark]: Toolchain (without parser) took 633.39 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:12,957 INFO L168 Benchmark]: CDTParser took 1.95 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 22:56:12,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.75 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 22:56:12,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.04 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:12,965 INFO L168 Benchmark]: Boogie Preprocessor took 46.01 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:12,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95 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 423.75 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 140.04 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.01 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 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 0.1.24-65d6cd2 [2019-11-25 22:56:15,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:15,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:15,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:15,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:15,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:15,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:15,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:15,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:15,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:15,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:15,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:15,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:15,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:15,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:15,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:15,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:15,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:15,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:15,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:15,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:15,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:15,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:15,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:15,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:15,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:15,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:15,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:15,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:15,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:15,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:15,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:15,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:15,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:15,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:15,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:15,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:15,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:15,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:15,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:15,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:15,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:56:15,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:15,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:15,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:15,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:15,943 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:15,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:15,945 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:15,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:15,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:15,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:15,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:15,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:15,948 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:56:15,948 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:56:15,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:15,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:15,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:15,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:15,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:15,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:15,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:15,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:15,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:15,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:15,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:15,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:15,954 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:56:15,954 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:56:15,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:15,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:56:15,957 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 -> 4c239e25bc1e45e912a3e7b96bb82f6853e587e9 [2019-11-25 22:56:16,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:16,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:16,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:16,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:16,509 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:16,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2019-11-25 22:56:16,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffef8b125/cfde03379fab43d7b0756846af38265e/FLAG7c5111a9e [2019-11-25 22:56:17,327 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:17,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2019-11-25 22:56:17,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffef8b125/cfde03379fab43d7b0756846af38265e/FLAG7c5111a9e [2019-11-25 22:56:17,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffef8b125/cfde03379fab43d7b0756846af38265e [2019-11-25 22:56:17,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:17,675 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:17,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:17,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:17,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:17,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,700 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 25.11 10:56:17, skipping insertion in model container [2019-11-25 22:56:17,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:17,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:18,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:18,083 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:18,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:18,221 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:18,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18 WrapperNode [2019-11-25 22:56:18,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:18,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:18,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:18,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:18,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:18,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:18,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:18,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:18,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:18" (1/1) ... [2019-11-25 22:56:18,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:18,328 INFO L168 Benchmark]: Toolchain (without parser) took 651.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:18,329 INFO L168 Benchmark]: CDTParser took 1.16 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 22:56:18,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.21 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: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:18,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.77 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 22:56:18,333 INFO L168 Benchmark]: Boogie Preprocessor took 47.97 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:18,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 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 538.21 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: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 51.77 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. * Boogie Preprocessor took 47.97 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...