./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_20x0-2.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/recursive-simple/sum_20x0-2.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 f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/sum_20x0-2.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 f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:00:05,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:05,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:05,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:05,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:05,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:05,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:05,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:05,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:05,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:05,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:05,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:05,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:05,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:05,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:05,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:05,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:05,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:05,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:05,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:05,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:05,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:05,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:05,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:05,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:05,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:05,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:05,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:05,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:05,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:05,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:05,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:05,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:05,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:05,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:05,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:05,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:05,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:05,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:05,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:05,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:05,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:05,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:05,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:05,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:05,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:05,905 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:05,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:05,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:05,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:05,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:05,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:05,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:05,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:05,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:05,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:05,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:05,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:05,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:05,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:05,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:05,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:05,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:05,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:05,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:05,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:05,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:05,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:05,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:05,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:05,914 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 -> f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 [2019-11-27 10:00:06,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:06,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:06,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:06,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:06,421 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:06,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2019-11-27 10:00:06,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80280b163/24cdc171fffe4d7ebdab6c88709c2dff/FLAG795f978e7 [2019-11-27 10:00:07,252 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:07,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2019-11-27 10:00:07,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80280b163/24cdc171fffe4d7ebdab6c88709c2dff/FLAG795f978e7 [2019-11-27 10:00:07,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80280b163/24cdc171fffe4d7ebdab6c88709c2dff [2019-11-27 10:00:07,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:07,596 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:07,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:07,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:07,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:07,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47670154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07, skipping insertion in model container [2019-11-27 10:00:07,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:07,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:07,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:07,928 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:07,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:07,969 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:07,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07 WrapperNode [2019-11-27 10:00:07,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:07,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:07,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:07,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:07,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:07,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:08,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:08,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:08,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:08,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:08,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:08,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:08,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:08,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:08,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:08,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:08,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:07" (1/1) ... [2019-11-27 10:00:08,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:08,108 INFO L168 Benchmark]: Toolchain (without parser) took 508.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 996.9 MB in the end (delta: -38.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:08,110 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. [2019-11-27 10:00:08,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.22 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:08,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 996.9 MB in the end (delta: -49.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:08,131 INFO L168 Benchmark]: Boogie Preprocessor took 25.15 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:08,136 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 373.22 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 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 105.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 996.9 MB in the end (delta: -49.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 25.15 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:00:10,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:10,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:10,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:10,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:10,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:10,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:10,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:10,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:10,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:10,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:10,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:10,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:10,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:10,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:10,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:10,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:10,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:10,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:10,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:10,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:10,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:10,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:10,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:10,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:10,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:10,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:10,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:10,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:10,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:10,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:10,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:10,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:10,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:10,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:10,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:10,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:10,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:10,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:10,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:10,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:10,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:10,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:10,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:10,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:10,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:10,947 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:10,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:10,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:10,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:10,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:10,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:10,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:10,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:10,952 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:10,952 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:10,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:10,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:10,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:10,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:10,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:10,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:10,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:10,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:10,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:10,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:10,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:10,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:10,958 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:10,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:10,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:10,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:10,961 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 -> f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 [2019-11-27 10:00:11,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:11,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:11,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:11,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:11,476 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:11,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2019-11-27 10:00:11,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7fe8b54b/c57a37d252334bd68ff58afcf8289fcc/FLAGf19493a3e [2019-11-27 10:00:12,304 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:12,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2019-11-27 10:00:12,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7fe8b54b/c57a37d252334bd68ff58afcf8289fcc/FLAGf19493a3e [2019-11-27 10:00:12,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7fe8b54b/c57a37d252334bd68ff58afcf8289fcc [2019-11-27 10:00:12,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:12,631 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:12,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:12,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:12,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:12,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4640a208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12, skipping insertion in model container [2019-11-27 10:00:12,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:12,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:12,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:12,975 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:12,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:13,013 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:13,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13 WrapperNode [2019-11-27 10:00:13,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:13,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:13,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:13,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:13,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:13,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,149 INFO L168 Benchmark]: Toolchain (without parser) took 515.60 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:13,151 INFO L168 Benchmark]: CDTParser took 0.23 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 10:00:13,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.76 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. [2019-11-27 10:00:13,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.04 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:13,157 INFO L168 Benchmark]: Boogie Preprocessor took 18.38 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. [2019-11-27 10:00:13,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 377.76 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 111.04 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 18.38 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...