./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/elimination_max_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/elimination_max_rec.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 17d20a29a9e9cc6560e9aa0daac36f5de29f992c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/elimination_max_rec.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 17d20a29a9e9cc6560e9aa0daac36f5de29f992c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:00:13,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:13,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:13,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:13,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:13,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:13,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:13,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:13,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:13,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:13,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:13,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:13,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:13,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:13,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:13,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:13,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:13,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:13,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:13,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:13,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:13,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:13,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:13,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:13,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:13,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:13,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:13,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:13,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:13,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:13,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:13,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:13,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:13,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:13,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:13,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:13,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:13,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:13,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:13,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:13,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:13,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:13,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:13,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:13,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:13,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:13,644 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:13,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:13,645 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:13,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:13,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:13,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:13,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:13,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:13,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:13,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:13,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:13,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:13,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:13,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:13,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:13,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:13,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:13,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:13,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:13,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:13,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:13,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:13,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:13,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:13,657 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 -> 17d20a29a9e9cc6560e9aa0daac36f5de29f992c [2019-11-27 10:00:14,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:14,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:14,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:14,116 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:14,120 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:14,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max_rec.c [2019-11-27 10:00:14,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9238712df/b5870e050d63457fb24d677b4e03ca22/FLAG2fcc9cb74 [2019-11-27 10:00:14,956 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:14,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max_rec.c [2019-11-27 10:00:14,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9238712df/b5870e050d63457fb24d677b4e03ca22/FLAG2fcc9cb74 [2019-11-27 10:00:15,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9238712df/b5870e050d63457fb24d677b4e03ca22 [2019-11-27 10:00:15,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:15,264 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:15,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:15,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:15,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:15,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ecb26ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15, skipping insertion in model container [2019-11-27 10:00:15,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:15,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:15,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:15,650 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:15,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:15,773 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:15,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15 WrapperNode [2019-11-27 10:00:15,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:15,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:15,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:15,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:15,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:15,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:15,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:15,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:15,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:15" (1/1) ... [2019-11-27 10:00:15,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:15,912 INFO L168 Benchmark]: Toolchain (without parser) took 644.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 989.9 MB in the end (delta: -26.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:15,926 INFO L168 Benchmark]: CDTParser took 0.24 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 10:00:15,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 997.0 MB in the end (delta: -33.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:15,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.93 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 995.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:15,936 INFO L168 Benchmark]: Boogie Preprocessor took 48.28 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:15,946 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 505.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 997.0 MB in the end (delta: -33.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 81.93 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 995.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.28 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 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 10:00:18,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:18,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:18,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:18,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:18,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:18,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:18,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:18,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:18,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:18,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:18,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:18,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:18,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:18,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:18,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:18,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:18,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:18,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:18,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:18,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:18,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:18,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:18,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:18,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:18,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:18,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:18,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:18,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:18,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:18,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:18,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:18,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:18,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:18,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:18,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:18,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:18,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:18,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:18,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:18,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:18,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:18,797 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:18,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:18,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:18,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:18,804 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:18,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:18,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:18,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:18,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:18,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:18,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:18,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:18,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:18,807 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:18,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:18,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:18,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:18,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:18,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:18,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:18,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:18,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:18,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:18,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:18,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:18,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:18,812 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:18,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:18,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:18,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:18,814 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 -> 17d20a29a9e9cc6560e9aa0daac36f5de29f992c [2019-11-27 10:00:19,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:19,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:19,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:19,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:19,279 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:19,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max_rec.c [2019-11-27 10:00:19,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7e644616/ba79edbad50b439ab5310cf049d365f9/FLAG38040955c [2019-11-27 10:00:20,091 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:20,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max_rec.c [2019-11-27 10:00:20,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7e644616/ba79edbad50b439ab5310cf049d365f9/FLAG38040955c [2019-11-27 10:00:20,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7e644616/ba79edbad50b439ab5310cf049d365f9 [2019-11-27 10:00:20,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:20,410 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:20,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:20,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:20,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:20,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1542a42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20, skipping insertion in model container [2019-11-27 10:00:20,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:20,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:20,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:20,813 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:20,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:20,933 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:20,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20 WrapperNode [2019-11-27 10:00:20,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:20,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:20,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:20,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:20,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:20,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:20,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:20,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:20,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:21,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:21,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:21,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:21,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:21,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:21,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:21,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:20" (1/1) ... [2019-11-27 10:00:21,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:21,051 INFO L168 Benchmark]: Toolchain (without parser) took 636.46 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 989.8 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:21,053 INFO L168 Benchmark]: CDTParser took 1.24 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 10:00:21,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:21,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.51 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:21,060 INFO L168 Benchmark]: Boogie Preprocessor took 52.92 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:21,077 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 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 519.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 52.51 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.92 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 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...