./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_o3.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_o3.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 9b6c190b845f4496788acb9553cb85e1e7dace14 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_o3.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 9b6c190b845f4496788acb9553cb85e1e7dace14 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:26,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:26,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:26,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:26,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:26,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:26,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:26,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:26,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:26,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:26,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:26,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:26,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:26,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:26,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:26,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:26,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:26,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:26,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:26,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:26,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:26,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:26,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:26,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:26,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:26,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:26,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:26,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:26,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:26,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:26,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:26,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:26,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:26,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:26,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:26,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:26,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:26,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:26,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:26,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:26,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:26,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:27,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:27,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:27,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:27,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:27,015 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:27,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:27,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:27,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:27,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:27,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:27,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:27,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:27,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:27,019 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:27,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:27,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:27,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:27,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:27,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:27,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:27,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:27,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:27,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:27,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:27,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:27,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:27,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:27,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:27,031 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 -> 9b6c190b845f4496788acb9553cb85e1e7dace14 [2019-11-26 17:12:27,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:27,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:27,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:27,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:27,641 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:27,644 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o3.c [2019-11-26 17:12:27,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec0a3897/5e851e67600f45fba1bcbb718f4a25ae/FLAGb04406fd8 [2019-11-26 17:12:28,737 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:28,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o3.c [2019-11-26 17:12:28,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec0a3897/5e851e67600f45fba1bcbb718f4a25ae/FLAGb04406fd8 [2019-11-26 17:12:28,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec0a3897/5e851e67600f45fba1bcbb718f4a25ae [2019-11-26 17:12:28,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:28,802 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:28,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:28,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:28,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:28,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,825 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 26.11 05:12:28, skipping insertion in model container [2019-11-26 17:12:28,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:28" (1/1) ... [2019-11-26 17:12:28,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:28,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:29,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:29,314 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:29,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:29,362 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:29,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29 WrapperNode [2019-11-26 17:12:29,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:29,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:29,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:29,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:29,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:29,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:29,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:29,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:29,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:29" (1/1) ... [2019-11-26 17:12:29,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:29,583 INFO L168 Benchmark]: Toolchain (without parser) took 774.02 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:29,588 INFO L168 Benchmark]: CDTParser took 1.06 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 17:12:29,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.15 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 17:12:29,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:29,596 INFO L168 Benchmark]: Boogie Preprocessor took 33.77 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. [2019-11-26 17:12:29,609 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 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 557.15 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 168.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.77 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 0.1.24-025d5a2 [2019-11-26 17:12:33,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:33,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:33,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:33,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:33,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:33,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:33,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:33,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:33,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:33,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:33,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:33,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:33,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:33,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:33,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:33,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:33,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:33,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:33,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:33,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:33,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:33,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:33,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:33,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:33,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:33,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:33,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:33,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:33,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:33,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:33,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:33,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:33,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:33,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:33,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:33,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:33,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:33,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:33,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:33,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:33,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:33,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:33,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:33,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:33,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:33,627 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:33,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:33,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:33,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:33,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:33,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:33,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:33,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:33,635 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:33,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:33,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:33,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:33,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:33,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:33,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:33,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:33,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:33,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:33,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:33,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:33,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:33,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:33,646 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:33,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:33,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:33,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:33,648 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 -> 9b6c190b845f4496788acb9553cb85e1e7dace14 [2019-11-26 17:12:34,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:34,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:34,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:34,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:34,247 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:34,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o3.c [2019-11-26 17:12:34,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8789ae228/ef7b2c0a415044a6ba7485c257839deb/FLAGed7dd35c3 [2019-11-26 17:12:35,318 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:35,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o3.c [2019-11-26 17:12:35,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8789ae228/ef7b2c0a415044a6ba7485c257839deb/FLAGed7dd35c3 [2019-11-26 17:12:35,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8789ae228/ef7b2c0a415044a6ba7485c257839deb [2019-11-26 17:12:35,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:35,533 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:35,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:35,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:35,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:35,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:35" (1/1) ... [2019-11-26 17:12:35,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:35, skipping insertion in model container [2019-11-26 17:12:35,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:35" (1/1) ... [2019-11-26 17:12:35,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:35,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:35,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:36,008 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:36,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:36,078 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:36,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36 WrapperNode [2019-11-26 17:12:36,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:36,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:36,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:36,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:36,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:36,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:36,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:36,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:36,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:36" (1/1) ... [2019-11-26 17:12:36,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:36,258 INFO L168 Benchmark]: Toolchain (without parser) took 723.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 996.9 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:36,260 INFO L168 Benchmark]: CDTParser took 0.34 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 17:12:36,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.13 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 950.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:36,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.13 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:36,273 INFO L168 Benchmark]: Boogie Preprocessor took 24.13 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. [2019-11-26 17:12:36,290 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 543.13 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 950.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 145.13 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 24.13 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...