./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-optional-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/sll-optional-2.i -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 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/forester-heap/sll-optional-2.i -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 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:11:34,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:34,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:34,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:34,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:34,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:34,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:34,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:34,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:34,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:34,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:34,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:34,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:34,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:34,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:34,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:34,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:34,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:34,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:34,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:34,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:34,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:34,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:34,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:34,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:34,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:34,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:34,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:34,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:34,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:34,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:34,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:34,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:34,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:34,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:34,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:34,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:34,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:34,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:34,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:34,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:34,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:34,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:34,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:34,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:34,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:34,251 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:34,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:34,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:34,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:34,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:34,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:34,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:34,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:34,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:34,259 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:34,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:34,260 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:34,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:34,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:34,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:34,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:34,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:34,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:34,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:34,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:34,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:34,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:34,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:34,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:34,267 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 -> 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc [2019-11-27 16:11:34,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:34,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:34,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:34,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:34,915 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:34,919 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-2.i [2019-11-27 16:11:35,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5cefced/36dba5a662224b3ebd8609643c6b9cc4/FLAG671f72b9c [2019-11-27 16:11:36,257 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:36,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-2.i [2019-11-27 16:11:36,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5cefced/36dba5a662224b3ebd8609643c6b9cc4/FLAG671f72b9c [2019-11-27 16:11:36,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5cefced/36dba5a662224b3ebd8609643c6b9cc4 [2019-11-27 16:11:36,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:36,329 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:36,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:36,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:36,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:36,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:36" (1/1) ... [2019-11-27 16:11:36,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:36, skipping insertion in model container [2019-11-27 16:11:36,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:36" (1/1) ... [2019-11-27 16:11:36,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:36,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:37,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:37,395 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:37,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:37,639 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:37,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37 WrapperNode [2019-11-27 16:11:37,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:37,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:37,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:37,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:37,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:37,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:37,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:37,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:37,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:37,882 INFO L168 Benchmark]: Toolchain (without parser) took 1551.07 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:37,883 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:37,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1312.78 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:37,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.00 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:37,905 INFO L168 Benchmark]: Boogie Preprocessor took 94.31 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:37,910 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1312.78 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.00 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 94.31 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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 0.1.24-509859d [2019-11-27 16:11:41,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:41,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:41,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:41,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:41,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:41,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:41,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:41,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:41,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:41,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:41,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:41,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:41,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:41,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:41,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:41,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:41,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:41,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:41,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:41,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:41,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:41,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:41,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:41,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:41,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:41,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:41,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:41,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:41,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:41,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:41,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:41,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:41,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:41,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:41,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:41,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:41,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:41,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:41,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:41,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:41,997 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:42,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:42,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:42,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:42,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:42,045 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:42,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:42,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:42,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:42,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:42,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:42,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:42,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:42,053 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:42,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:42,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:42,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:42,055 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:42,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:42,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:42,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:42,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:42,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:42,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:42,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:42,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:42,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:42,061 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:42,062 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:42,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:42,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:42,065 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 -> 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc [2019-11-27 16:11:42,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:42,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:42,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:42,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:42,713 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:42,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-2.i [2019-11-27 16:11:42,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5395607/0af1742af11c4b3db39241e436aa2159/FLAGac22261d5 [2019-11-27 16:11:44,131 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:44,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-2.i [2019-11-27 16:11:44,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5395607/0af1742af11c4b3db39241e436aa2159/FLAGac22261d5 [2019-11-27 16:11:44,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5395607/0af1742af11c4b3db39241e436aa2159 [2019-11-27 16:11:44,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:44,216 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:44,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:44,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:44,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:44,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:44" (1/1) ... [2019-11-27 16:11:44,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:44, skipping insertion in model container [2019-11-27 16:11:44,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:44" (1/1) ... [2019-11-27 16:11:44,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:44,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:45,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:45,313 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:45,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:45,560 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:45,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45 WrapperNode [2019-11-27 16:11:45,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:45,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:45,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:45,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:45,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:45,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:45,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:45,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:45,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:45,814 INFO L168 Benchmark]: Toolchain (without parser) took 1597.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:45,822 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:45,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.65 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:45,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:45,827 INFO L168 Benchmark]: Boogie Preprocessor took 107.06 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:45,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1340.65 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.06 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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...