./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/recursive-simple/id_b3_o2-2.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 3bf945356a28265a842df89cdbf40bfa9a223140 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/recursive-simple/id_b3_o2-2.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 3bf945356a28265a842df89cdbf40bfa9a223140 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:17,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:17,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:17,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:17,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:17,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:17,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:17,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:17,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:17,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:17,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:17,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:17,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:17,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:17,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:17,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:17,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:17,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:17,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:17,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:17,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:17,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:17,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:17,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:17,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:17,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:17,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:17,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:17,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:17,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:17,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:17,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:17,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:17,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:17,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:17,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:17,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:17,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:17,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:17,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:17,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:17,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:17,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:17,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:17,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:17,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:17,893 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:17,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:17,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:17,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:17,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:17,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:17,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:17,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:17,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:17,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:17,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:17,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:17,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:17,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:17,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:17,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:17,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:17,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:17,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:17,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:17,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:17,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:17,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:17,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:17,909 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 -> 3bf945356a28265a842df89cdbf40bfa9a223140 [2019-11-26 17:12:18,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:18,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:18,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:18,520 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:18,525 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:18,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-26 17:12:18,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b407f9b/26ae79c730cf4c4d96326a3cdd1cb0b6/FLAG1c45c5b54 [2019-11-26 17:12:19,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:19,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-26 17:12:19,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b407f9b/26ae79c730cf4c4d96326a3cdd1cb0b6/FLAG1c45c5b54 [2019-11-26 17:12:19,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b407f9b/26ae79c730cf4c4d96326a3cdd1cb0b6 [2019-11-26 17:12:19,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:19,759 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:19,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:19,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:19,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:19,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6758708e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:19, skipping insertion in model container [2019-11-26 17:12:19,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:19" (1/1) ... [2019-11-26 17:12:19,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:19,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:20,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:20,298 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:20,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:20,373 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:20,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20 WrapperNode [2019-11-26 17:12:20,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:20,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:20,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:20,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:20,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:20,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:20,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:20,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:20,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:20,613 INFO L168 Benchmark]: Toolchain (without parser) took 843.91 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:20,616 INFO L168 Benchmark]: CDTParser took 0.40 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. [2019-11-26 17:12:20,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.13 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. [2019-11-26 17:12:20,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:20,634 INFO L168 Benchmark]: Boogie Preprocessor took 41.25 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:20,645 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 611.13 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 182.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 41.25 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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 0.1.24-025d5a2 [2019-11-26 17:12:24,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:24,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:24,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:24,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:24,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:24,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:24,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:24,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:24,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:24,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:24,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:24,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:24,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:24,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:24,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:24,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:24,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:24,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:24,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:24,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:24,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:24,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:24,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:24,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:24,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:24,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:24,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:24,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:24,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:24,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:24,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:24,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:24,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:24,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:24,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:24,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:24,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:24,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:24,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:24,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:24,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:24,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:24,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:24,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:24,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:24,774 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:24,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:24,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:24,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:24,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:24,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:24,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:24,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:24,779 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:24,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:24,780 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:24,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:24,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:24,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:24,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:24,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:24,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:24,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:24,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:24,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:24,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:24,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:24,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:24,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:24,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:24,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:24,792 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 -> 3bf945356a28265a842df89cdbf40bfa9a223140 [2019-11-26 17:12:25,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:25,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:25,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:25,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:25,431 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:25,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-26 17:12:25,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf8f43f3/ef8c9eaa43f94672a79e5e567500a013/FLAGf4290e02e [2019-11-26 17:12:26,617 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:26,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-26 17:12:26,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf8f43f3/ef8c9eaa43f94672a79e5e567500a013/FLAGf4290e02e [2019-11-26 17:12:26,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf8f43f3/ef8c9eaa43f94672a79e5e567500a013 [2019-11-26 17:12:26,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:26,692 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:26,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:26,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:26,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:26,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8145b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:26, skipping insertion in model container [2019-11-26 17:12:26,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:26" (1/1) ... [2019-11-26 17:12:26,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:26,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:27,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:27,176 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:27,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:27,220 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:27,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27 WrapperNode [2019-11-26 17:12:27,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:27,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:27,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:27,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:27,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:27,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:27,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:27,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:27,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:27,443 INFO L168 Benchmark]: Toolchain (without parser) took 741.89 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:27,445 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-26 17:12:27,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.47 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. [2019-11-26 17:12:27,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.75 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:27,456 INFO L168 Benchmark]: Boogie Preprocessor took 50.55 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. [2019-11-26 17:12:27,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 526.47 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 151.75 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.55 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...