./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.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/list-simple/dll2c_update_all_reverse.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 16891def4f6ae6ab6c00fe328146dbdee1a68356 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/list-simple/dll2c_update_all_reverse.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 16891def4f6ae6ab6c00fe328146dbdee1a68356 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:11:52,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:52,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:53,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:53,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:53,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:53,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:53,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:53,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:53,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:53,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:53,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:53,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:53,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:53,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:53,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:53,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:53,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:53,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:53,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:53,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:53,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:53,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:53,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:53,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:53,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:53,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:53,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:53,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:53,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:53,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:53,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:53,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:53,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:53,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:53,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:53,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:53,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:53,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:53,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:53,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:53,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:53,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:53,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:53,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:53,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:53,205 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:53,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:53,206 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:53,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:53,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:53,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:53,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:53,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:53,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:53,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:53,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:53,212 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:53,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:53,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:53,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:53,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:53,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:53,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:53,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:53,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:53,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:53,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:53,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:53,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:53,223 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 -> 16891def4f6ae6ab6c00fe328146dbdee1a68356 [2019-11-27 16:11:53,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:53,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:53,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:53,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:53,843 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:53,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 16:11:54,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bb2d640/d1788a8af42a46259db02b65ef1215bb/FLAGfab35ec47 [2019-11-27 16:11:55,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:55,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 16:11:55,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bb2d640/d1788a8af42a46259db02b65ef1215bb/FLAGfab35ec47 [2019-11-27 16:11:55,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bb2d640/d1788a8af42a46259db02b65ef1215bb [2019-11-27 16:11:55,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:55,334 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:55,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:55,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:55,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:55,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:55" (1/1) ... [2019-11-27 16:11:55,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:55, skipping insertion in model container [2019-11-27 16:11:55,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:55" (1/1) ... [2019-11-27 16:11:55,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:55,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:56,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:56,350 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:56,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:56,654 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:56,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56 WrapperNode [2019-11-27 16:11:56,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:56,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:56,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:56,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:56,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:56,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:56,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:56,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:56,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:56" (1/1) ... [2019-11-27 16:11:56,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:56,938 INFO L168 Benchmark]: Toolchain (without parser) took 1600.68 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 962.5 MB in the end (delta: -823.3 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:56,941 INFO L168 Benchmark]: CDTParser took 0.59 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 16:11:56,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1318.41 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:56,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.96 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:56,962 INFO L168 Benchmark]: Boogie Preprocessor took 117.10 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:56,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 1318.41 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 151.96 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.10 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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 16:12:01,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:01,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:01,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:01,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:01,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:01,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:01,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:01,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:01,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:01,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:01,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:01,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:01,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:01,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:01,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:01,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:01,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:01,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:01,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:01,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:01,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:01,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:01,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:01,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:01,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:01,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:01,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:01,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:01,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:01,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:01,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:01,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:01,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:01,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:01,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:01,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:01,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:01,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:01,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:01,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:01,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:01,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:01,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:01,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:01,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:01,254 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:01,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:01,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:01,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:01,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:01,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:01,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:01,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:01,262 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:01,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:01,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:01,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:01,264 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:01,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:01,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:01,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:01,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:01,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:01,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:01,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:01,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:01,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:01,272 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:01,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:01,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:01,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:01,274 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 -> 16891def4f6ae6ab6c00fe328146dbdee1a68356 [2019-11-27 16:12:01,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:01,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:01,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:01,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:01,914 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:01,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 16:12:02,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b837f8f47/2149b9e24dfa4811b03ff66a5abe4c37/FLAG57d9fd339 [2019-11-27 16:12:03,321 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:03,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 16:12:03,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b837f8f47/2149b9e24dfa4811b03ff66a5abe4c37/FLAG57d9fd339 [2019-11-27 16:12:03,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b837f8f47/2149b9e24dfa4811b03ff66a5abe4c37 [2019-11-27 16:12:03,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:03,419 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:03,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:03,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:03,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:03,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:03" (1/1) ... [2019-11-27 16:12:03,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16617064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:03, skipping insertion in model container [2019-11-27 16:12:03,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:03" (1/1) ... [2019-11-27 16:12:03,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:03,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:04,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:04,560 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:04,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:04,861 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:04,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04 WrapperNode [2019-11-27 16:12:04,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:04,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:04,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:04,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:04,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:04,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:05,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:05,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:05,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:05,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:05,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:05,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:05,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:05,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:05,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:05,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:05,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:04" (1/1) ... [2019-11-27 16:12:05,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:05,124 INFO L168 Benchmark]: Toolchain (without parser) took 1704.66 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 962.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:05,126 INFO L168 Benchmark]: CDTParser took 0.41 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 16:12:05,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1444.79 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 968.2 MB in the end (delta: -771.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:05,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.55 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:05,133 INFO L168 Benchmark]: Boogie Preprocessor took 109.39 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:05,151 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1444.79 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 968.2 MB in the end (delta: -771.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 141.55 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 109.39 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 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...