./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_update_all.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/list-simple/dll2c_update_all.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 ed4d18349810257ce078dfe4f08b9b953ed4516f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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.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 ed4d18349810257ce078dfe4f08b9b953ed4516f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:50:03,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:03,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:03,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:03,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:03,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:03,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:03,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:03,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:03,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:03,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:03,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:03,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:03,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:03,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:03,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:03,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:03,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:03,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:03,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:03,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:03,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:03,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:03,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:03,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:03,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:03,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:03,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:03,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:03,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:03,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:03,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:03,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:03,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:03,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:03,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:03,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:03,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:03,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:03,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:03,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:03,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:03,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:03,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:03,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:03,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:03,262 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:03,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:03,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:03,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:03,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:03,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:03,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:03,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:03,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:03,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:03,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:03,270 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:03,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:03,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:03,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:03,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:03,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:03,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:03,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:03,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:03,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:03,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:03,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:03,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:03,280 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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-11-27 09:50:03,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:03,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:03,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:03,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:03,836 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:03,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 09:50:04,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f6587ed/2d6c7fffe9ac4697bbb00fc5ff41765d/FLAG5a62486a6 [2019-11-27 09:50:05,277 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:05,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 09:50:05,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f6587ed/2d6c7fffe9ac4697bbb00fc5ff41765d/FLAG5a62486a6 [2019-11-27 09:50:05,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f6587ed/2d6c7fffe9ac4697bbb00fc5ff41765d [2019-11-27 09:50:05,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:05,371 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:05,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:05,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:05,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:05,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:05" (1/1) ... [2019-11-27 09:50:05,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cf8e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:05, skipping insertion in model container [2019-11-27 09:50:05,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:05" (1/1) ... [2019-11-27 09:50:05,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:05,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:06,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:06,236 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:06,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:06,509 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:06,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06 WrapperNode [2019-11-27 09:50:06,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:06,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:06,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:06,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:06,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:06,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:06,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:06,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:06,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:06,797 INFO L168 Benchmark]: Toolchain (without parser) took 1418.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:06,809 INFO L168 Benchmark]: CDTParser took 1.18 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 09:50:06,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.59 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:06,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.37 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:06,816 INFO L168 Benchmark]: Boogie Preprocessor took 100.50 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:06,829 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 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 1138.59 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 171.37 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.50 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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-da95e15 [2019-11-27 09:50:10,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:10,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:10,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:10,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:10,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:10,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:10,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:10,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:10,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:10,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:10,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:10,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:10,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:10,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:10,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:10,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:10,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:10,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:10,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:10,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:10,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:10,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:10,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:10,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:10,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:10,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:10,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:10,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:10,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:10,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:10,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:10,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:10,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:10,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:10,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:10,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:10,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:10,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:10,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:10,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:10,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:10,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:10,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:10,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:10,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:10,949 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:10,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:10,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:10,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:10,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:10,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:10,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:10,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:10,955 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:10,957 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:10,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:10,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:10,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:10,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:10,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:10,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:10,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:10,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:10,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:10,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:10,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:10,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:10,966 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:10,966 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:10,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:10,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:10,968 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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-11-27 09:50:11,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:11,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:11,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:11,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:11,551 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:11,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 09:50:11,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c4a20b1/8e41b4ae968041289d6d027b529c5957/FLAGc511ca23e [2019-11-27 09:50:12,926 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:12,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-11-27 09:50:12,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c4a20b1/8e41b4ae968041289d6d027b529c5957/FLAGc511ca23e [2019-11-27 09:50:13,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c4a20b1/8e41b4ae968041289d6d027b529c5957 [2019-11-27 09:50:13,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:13,419 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:13,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:13,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:13,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:13,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:13" (1/1) ... [2019-11-27 09:50:13,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260bf701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:13, skipping insertion in model container [2019-11-27 09:50:13,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:13" (1/1) ... [2019-11-27 09:50:13,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:13,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:14,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:14,532 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:14,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:14,811 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:14,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14 WrapperNode [2019-11-27 09:50:14,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:14,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:14,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:14,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:14,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:14,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:14,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:14,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:14,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:15,088 INFO L168 Benchmark]: Toolchain (without parser) took 1670.68 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 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:15,091 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 09:50:15,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1392.36 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 979.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:15,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.96 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:15,098 INFO L168 Benchmark]: Boogie Preprocessor took 110.51 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:15,107 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 1392.36 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 979.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.96 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.51 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 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...