./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_i15_o15-2.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 ad4e6ad99a266ddeead98987e8e44db723af5bc7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_i15_o15-2.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 ad4e6ad99a266ddeead98987e8e44db723af5bc7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:21:45,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:45,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:45,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:45,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:45,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:45,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:45,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:45,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:45,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:45,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:46,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:46,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:46,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:46,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:46,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:46,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:46,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:46,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:46,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:46,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:46,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:46,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:46,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:46,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:46,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:46,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:46,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:46,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:46,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:46,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:46,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:46,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:46,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:46,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:46,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:46,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:46,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:46,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:46,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:46,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:46,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:46,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:46,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:46,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:46,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:46,149 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:46,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:46,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:46,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:46,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:46,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:46,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:46,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:46,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:46,155 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:46,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:46,157 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:46,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:46,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:46,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:46,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:46,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:46,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:46,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:46,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:46,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:46,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:46,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:46,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:46,164 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 -> ad4e6ad99a266ddeead98987e8e44db723af5bc7 [2019-11-27 16:21:46,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:46,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:46,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:46,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:46,779 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:46,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-27 16:21:46,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4e3ab8c/761f9bd127114da1840560499a3171eb/FLAGcba2f66c0 [2019-11-27 16:21:47,993 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:47,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-27 16:21:48,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4e3ab8c/761f9bd127114da1840560499a3171eb/FLAGcba2f66c0 [2019-11-27 16:21:48,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4e3ab8c/761f9bd127114da1840560499a3171eb [2019-11-27 16:21:48,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:48,063 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:48,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:48,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:48,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:48,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48, skipping insertion in model container [2019-11-27 16:21:48,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:48,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:48,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:48,531 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:48,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:48,576 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:48,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48 WrapperNode [2019-11-27 16:21:48,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:48,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:48,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:48,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:48,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:48,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:48,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:48,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:48,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:48" (1/1) ... [2019-11-27 16:21:48,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:48,797 INFO L168 Benchmark]: Toolchain (without parser) took 722.70 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:48,802 INFO L168 Benchmark]: CDTParser took 0.41 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 16:21:48,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.21 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 16:21:48,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.61 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:48,811 INFO L168 Benchmark]: Boogie Preprocessor took 137.04 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:48,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 513.21 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 56.61 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 137.04 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 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 0.1.24-509859d [2019-11-27 16:21:52,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:52,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:52,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:52,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:52,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:52,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:52,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:52,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:52,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:52,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:52,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:52,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:52,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:52,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:52,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:52,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:52,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:52,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:52,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:52,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:52,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:52,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:52,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:52,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:52,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:52,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:52,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:52,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:52,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:52,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:52,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:52,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:52,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:52,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:52,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:52,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:52,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:52,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:52,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:52,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:52,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:52,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:52,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:52,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:52,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:52,882 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:52,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:52,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:52,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:52,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:52,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:52,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:52,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:52,889 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:52,889 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:52,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:52,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:52,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:52,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:52,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:52,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:52,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:52,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:52,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:52,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:52,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:52,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:52,897 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:52,897 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:52,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:52,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:52,900 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 -> ad4e6ad99a266ddeead98987e8e44db723af5bc7 [2019-11-27 16:21:53,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:53,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:53,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:53,486 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:53,486 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:53,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-27 16:21:53,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17eda818/9c31617c761e48018045c62845957886/FLAG6f575c64b [2019-11-27 16:21:54,695 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:54,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-11-27 16:21:54,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17eda818/9c31617c761e48018045c62845957886/FLAG6f575c64b [2019-11-27 16:21:54,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17eda818/9c31617c761e48018045c62845957886 [2019-11-27 16:21:54,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:54,765 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:54,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:54,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:54,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:54,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:54" (1/1) ... [2019-11-27 16:21:54,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:54, skipping insertion in model container [2019-11-27 16:21:54,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:54" (1/1) ... [2019-11-27 16:21:54,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:54,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:55,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:55,318 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:55,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:55,396 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:55,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55 WrapperNode [2019-11-27 16:21:55,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:55,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:55,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:55,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:55,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:55,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:55,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:55,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:55,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:55" (1/1) ... [2019-11-27 16:21:55,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:55,619 INFO L168 Benchmark]: Toolchain (without parser) took 842.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 16:21:55,622 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. [2019-11-27 16:21:55,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.18 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 16:21:55,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.93 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 16:21:55,632 INFO L168 Benchmark]: Boogie Preprocessor took 43.92 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 16:21:55,644 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 628.18 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 160.93 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 43.92 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...