./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-circular-1.i --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/forester-heap/dll-circular-1.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 95b20088216028e3d05e3cb41d4ed5c20af6a751 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll-circular-1.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 95b20088216028e3d05e3cb41d4ed5c20af6a751 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:49:25,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:25,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:25,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:25,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:25,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:25,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:25,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:25,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:25,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:25,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:25,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:25,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:25,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:25,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:25,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:25,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:25,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:25,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:25,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:25,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:25,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:25,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:25,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:25,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:25,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:25,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:25,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:25,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:25,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:25,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:25,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:25,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:25,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:25,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:25,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:25,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:25,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:25,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:25,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:25,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:25,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:25,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:25,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:25,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:25,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:25,295 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:25,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:25,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:25,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:25,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:25,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:25,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:25,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:25,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:25,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:25,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:25,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:25,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:25,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:25,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:25,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:25,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:25,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:25,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:25,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:25,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:25,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:25,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:25,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:25,305 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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2019-11-27 09:49:25,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:25,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:25,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:25,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:25,763 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:25,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 09:49:25,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc02d55d9/ae9e62f4262f4e99a5407e785f72ce29/FLAG84dce00d7 [2019-11-27 09:49:26,741 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:26,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 09:49:26,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc02d55d9/ae9e62f4262f4e99a5407e785f72ce29/FLAG84dce00d7 [2019-11-27 09:49:26,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc02d55d9/ae9e62f4262f4e99a5407e785f72ce29 [2019-11-27 09:49:26,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:26,940 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:26,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:26,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:26,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:26,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4890b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26, skipping insertion in model container [2019-11-27 09:49:26,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:27,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:27,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:27,714 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:27,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:27,891 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:27,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27 WrapperNode [2019-11-27 09:49:27,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:27,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:27,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:27,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:27,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:28,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:28,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:28,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:28,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:28,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:28,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:28,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:28,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:28,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:28,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:28,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:28,089 INFO L168 Benchmark]: Toolchain (without parser) took 1145.87 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 980.0 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:28,102 INFO L168 Benchmark]: CDTParser took 1.79 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 09:49:28,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 955.62 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 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:28,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.76 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:28,108 INFO L168 Benchmark]: Boogie Preprocessor took 73.00 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:28,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79 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 955.62 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 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.76 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.00 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:30,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:30,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:30,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:30,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:30,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:30,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:30,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:30,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:30,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:30,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:30,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:30,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:30,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:30,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:30,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:30,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:30,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:30,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:30,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:30,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:30,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:30,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:30,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:30,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:30,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:30,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:30,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:30,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:30,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:30,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:30,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:30,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:30,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:30,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:30,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:30,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:30,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:30,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:30,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:30,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:30,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:30,997 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:30,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:31,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:31,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:31,005 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:31,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:31,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:31,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:31,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:31,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:31,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:31,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:31,012 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:31,012 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:31,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:31,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:31,013 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:31,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:31,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:31,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:31,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:31,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:31,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:31,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:31,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:31,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:31,017 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:31,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:31,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:31,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:31,019 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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2019-11-27 09:49:31,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:31,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:31,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:31,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:31,457 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:31,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 09:49:31,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e360f74d9/1b9141c09a314e3397fcd3120f36bae0/FLAG37de4fe7e [2019-11-27 09:49:32,417 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:32,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 09:49:32,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e360f74d9/1b9141c09a314e3397fcd3120f36bae0/FLAG37de4fe7e [2019-11-27 09:49:32,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e360f74d9/1b9141c09a314e3397fcd3120f36bae0 [2019-11-27 09:49:32,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:32,621 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:32,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:32,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:32,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:32,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32, skipping insertion in model container [2019-11-27 09:49:32,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:32,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:33,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:33,391 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:33,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:33,586 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:33,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33 WrapperNode [2019-11-27 09:49:33,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:33,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:33,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:33,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:33,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:33,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:33,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:33,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:33,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:33,773 INFO L168 Benchmark]: Toolchain (without parser) took 1147.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 972.8 MB in the end (delta: -14.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:33,773 INFO L168 Benchmark]: CDTParser took 0.32 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 09:49:33,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 978.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:33,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.46 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 09:49:33,782 INFO L168 Benchmark]: Boogie Preprocessor took 76.53 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 09:49:33,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 957.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 978.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 99.46 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 76.53 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...