./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_b3_o5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/id2_b3_o5.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 ceb806ae997f94b7f09b4e2dce31a0e63ff1a329 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/id2_b3_o5.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 ceb806ae997f94b7f09b4e2dce31a0e63ff1a329 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:09,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:09,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:09,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:09,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:09,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:09,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:09,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:09,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:09,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:09,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:09,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:09,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:09,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:09,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:09,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:09,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:09,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:09,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:09,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:10,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:10,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:10,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:10,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:10,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:10,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:10,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:10,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:10,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:10,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:10,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:10,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:10,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:10,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:10,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:10,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:10,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:10,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:10,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:10,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:10,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:10,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:10,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:10,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:10,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:10,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:10,111 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:10,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:10,112 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:10,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:10,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:10,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:10,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:10,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:10,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:10,116 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:10,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:10,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:10,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:10,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:10,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:10,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:10,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:10,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:10,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:10,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:10,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:10,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:10,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:10,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:10,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:10,124 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 -> ceb806ae997f94b7f09b4e2dce31a0e63ff1a329 [2019-11-24 21:18:10,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:10,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:10,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:10,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:10,727 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:10,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2019-11-24 21:18:10,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d88c93fc3/c26ef420593d4fada69d98198ab08680/FLAG3d37c1d14 [2019-11-24 21:18:11,940 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:11,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2019-11-24 21:18:11,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d88c93fc3/c26ef420593d4fada69d98198ab08680/FLAG3d37c1d14 [2019-11-24 21:18:11,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d88c93fc3/c26ef420593d4fada69d98198ab08680 [2019-11-24 21:18:12,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:12,004 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:12,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:12,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:12,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:12,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:11" (1/1) ... [2019-11-24 21:18:12,033 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 24.11 09:18:12, skipping insertion in model container [2019-11-24 21:18:12,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:11" (1/1) ... [2019-11-24 21:18:12,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:12,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:12,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:12,583 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:12,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:12,629 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:12,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12 WrapperNode [2019-11-24 21:18:12,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:12,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:12,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:12,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:12,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:12,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:12,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:12,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:12,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:12" (1/1) ... [2019-11-24 21:18:12,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:12,891 INFO L168 Benchmark]: Toolchain (without parser) took 876.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:12,893 INFO L168 Benchmark]: CDTParser took 2.64 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:12,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.23 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:12,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:12,903 INFO L168 Benchmark]: Boogie Preprocessor took 52.90 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:12,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.64 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 630.23 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 177.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.90 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:16,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:16,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:16,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:16,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:16,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:16,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:16,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:16,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:16,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:16,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:16,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:16,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:16,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:16,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:16,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:16,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:16,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:16,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:16,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:16,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:16,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:16,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:16,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:16,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:16,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:16,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:16,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:16,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:16,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:16,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:16,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:16,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:16,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:16,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:16,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:16,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:16,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:16,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:16,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:16,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:16,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:16,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:16,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:16,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:16,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:16,943 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:16,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:16,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:16,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:16,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:16,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:16,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:16,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:16,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:16,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:16,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:16,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:16,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:16,952 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:16,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:16,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:16,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:16,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:16,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:16,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:16,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:16,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:16,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:16,958 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:16,959 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:16,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:16,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:16,963 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 -> ceb806ae997f94b7f09b4e2dce31a0e63ff1a329 [2019-11-24 21:18:17,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:17,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:17,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:17,567 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:17,572 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:17,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2019-11-24 21:18:17,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15901c9bd/3c80f0d37501412194c8632857be3e89/FLAGfee412722 [2019-11-24 21:18:18,763 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:18,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2019-11-24 21:18:18,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15901c9bd/3c80f0d37501412194c8632857be3e89/FLAGfee412722 [2019-11-24 21:18:18,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15901c9bd/3c80f0d37501412194c8632857be3e89 [2019-11-24 21:18:18,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:18,831 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:18,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:18,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:18,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:18,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:18" (1/1) ... [2019-11-24 21:18:18,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:18, skipping insertion in model container [2019-11-24 21:18:18,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:18" (1/1) ... [2019-11-24 21:18:18,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:18,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:19,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:19,354 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:19,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:19,410 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:19,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19 WrapperNode [2019-11-24 21:18:19,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:19,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:19,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:19,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:19,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:19,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:19,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:19,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:19,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:19" (1/1) ... [2019-11-24 21:18:19,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:19,621 INFO L168 Benchmark]: Toolchain (without parser) took 787.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:19,623 INFO L168 Benchmark]: CDTParser took 1.01 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:19,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.37 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:19,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:19,638 INFO L168 Benchmark]: Boogie Preprocessor took 44.34 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:19,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 575.37 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 159.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.34 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...