./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_b3_o2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id2_b3_o2.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 a033d09eab07f8bc6e49bb4301ebd6c89110f535 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_o2.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 a033d09eab07f8bc6e49bb4301ebd6c89110f535 ...................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:53,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:53,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:53,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:53,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:53,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:53,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:53,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:53,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:53,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:53,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:53,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:53,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:53,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:53,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:53,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:53,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:53,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:53,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:53,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:53,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:53,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:53,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:53,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:53,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:53,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:53,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:53,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:53,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:53,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:53,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:53,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:53,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:53,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:53,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:53,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:53,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:53,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:53,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:53,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:53,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:53,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:53,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:53,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:53,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:53,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:53,249 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:53,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:53,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:53,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:53,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:53,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:53,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:53,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:53,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:53,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:53,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:53,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:53,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:53,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:53,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:53,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:53,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:53,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:53,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:53,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:53,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:53,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:53,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:53,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:53,265 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 -> a033d09eab07f8bc6e49bb4301ebd6c89110f535 [2019-11-27 09:59:53,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:53,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:53,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:53,831 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:53,833 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:53,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2019-11-27 09:59:54,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5dd75cc2/97f4335562b84c9f85dfa2b6005790b6/FLAG966c7f3f2 [2019-11-27 09:59:55,005 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:55,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2019-11-27 09:59:55,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5dd75cc2/97f4335562b84c9f85dfa2b6005790b6/FLAG966c7f3f2 [2019-11-27 09:59:55,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5dd75cc2/97f4335562b84c9f85dfa2b6005790b6 [2019-11-27 09:59:55,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:55,075 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:55,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:55,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:55,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:55,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d465a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55, skipping insertion in model container [2019-11-27 09:59:55,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:55,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:55,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:55,602 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:55,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:55,678 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:55,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55 WrapperNode [2019-11-27 09:59:55,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:55,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:55,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:55,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:55,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:55,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:55,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:55,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:55,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:55" (1/1) ... [2019-11-27 09:59:55,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:55,906 INFO L168 Benchmark]: Toolchain (without parser) took 814.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.0 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:55,908 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 09:59:55,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.23 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 09:59:55,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.64 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: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:55,919 INFO L168 Benchmark]: Boogie Preprocessor took 36.40 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:55,930 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 601.23 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 161.64 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: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 36.40 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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-da95e15 [2019-11-27 09:59:59,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:59,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:59,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:59,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:59,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:59,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:59,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:59,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:59,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:59,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:59,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:59,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:59,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:59,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:59,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:59,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:59,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:59,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:59,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:59,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:59,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:59,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:59,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:59,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:59,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:59,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:59,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:59,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:59,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:59,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:59,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:59,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:59,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:59,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:59,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:59,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:59,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:59,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:59,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:59,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:59,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:59:59,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:59,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:59,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:59,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:59,933 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:59,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:59,936 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:59,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:59,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:59,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:59,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:59,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:59,939 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:59:59,940 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:59:59,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:59,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:59,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:59,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:59,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:59,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:59,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:59,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:59,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:59,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:59,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:59,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:59,950 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:59:59,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:59:59,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:59,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:59:59,952 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 -> a033d09eab07f8bc6e49bb4301ebd6c89110f535 [2019-11-27 10:00:00,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:00,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:00,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:00,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:00,534 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:00,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2019-11-27 10:00:00,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb193842c/e11a9f063036483da8aa461673da50ad/FLAG7534bbf1c [2019-11-27 10:00:01,654 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:01,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2019-11-27 10:00:01,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb193842c/e11a9f063036483da8aa461673da50ad/FLAG7534bbf1c [2019-11-27 10:00:01,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb193842c/e11a9f063036483da8aa461673da50ad [2019-11-27 10:00:01,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:01,849 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:01,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:01,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:01,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:01,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212f942a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:01, skipping insertion in model container [2019-11-27 10:00:01,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:01" (1/1) ... [2019-11-27 10:00:01,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:01,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:02,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:02,331 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:02,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:02,399 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:02,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02 WrapperNode [2019-11-27 10:00:02,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:02,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:02,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:02,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:02,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:02,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:02,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:02,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:02,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:02,625 INFO L168 Benchmark]: Toolchain (without parser) took 771.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:02,629 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-27 10:00:02,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.87 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:02,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:02,639 INFO L168 Benchmark]: Boogie Preprocessor took 61.66 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:02,646 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 543.87 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 155.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.66 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...