./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2n_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/dll2n_remove_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 d9cd680588366d8f4117005099c5fa975e5f03ed ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2n_remove_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 d9cd680588366d8f4117005099c5fa975e5f03ed ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:08:49,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:49,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:49,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:49,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:49,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:49,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:49,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:49,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:49,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:49,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:49,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:49,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:49,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:49,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:49,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:49,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:49,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:49,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:49,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:49,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:49,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:49,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:49,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:50,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:50,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:50,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:50,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:50,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:50,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:50,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:50,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:50,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:50,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:50,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:50,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:50,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:50,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:50,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:50,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:50,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:50,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:50,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:50,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:50,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:50,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:50,091 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:50,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:50,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:50,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:50,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:50,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:50,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:50,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:50,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:50,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:50,102 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:50,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:50,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:50,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:50,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:50,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:50,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:50,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:50,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:50,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:50,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:50,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:50,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:50,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:50,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:50,112 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 -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-24 21:08:50,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:50,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:50,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:50,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:50,750 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:50,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-24 21:08:50,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7de42ac/e9500ed9add449c3829597509d0502da/FLAGde72a4a21 [2019-11-24 21:08:52,102 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:52,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-24 21:08:52,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7de42ac/e9500ed9add449c3829597509d0502da/FLAGde72a4a21 [2019-11-24 21:08:52,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7de42ac/e9500ed9add449c3829597509d0502da [2019-11-24 21:08:52,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:52,191 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:52,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:52,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:52,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:52,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9523cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:52, skipping insertion in model container [2019-11-24 21:08:52,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:52" (1/1) ... [2019-11-24 21:08:52,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:52,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:53,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:53,211 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:53,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:53,490 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:53,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53 WrapperNode [2019-11-24 21:08:53,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:53,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:53,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:53,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:53,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:53,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:53,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:53,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:53,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:53,714 INFO L168 Benchmark]: Toolchain (without parser) took 1517.73 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. [2019-11-24 21:08:53,730 INFO L168 Benchmark]: CDTParser took 2.00 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. [2019-11-24 21:08:53,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1292.12 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: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:53,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.30 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. [2019-11-24 21:08:53,734 INFO L168 Benchmark]: Boogie Preprocessor took 82.57 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. [2019-11-24 21:08:53,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00 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 1292.12 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: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.30 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 82.57 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 0.1.24-32f2683 [2019-11-24 21:08:57,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:57,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:57,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:57,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:57,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:57,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:57,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:57,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:57,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:57,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:57,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:57,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:57,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:57,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:57,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:57,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:57,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:57,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:57,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:57,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:57,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:57,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:57,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:57,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:57,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:57,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:57,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:57,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:57,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:57,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:57,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:57,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:57,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:57,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:57,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:57,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:57,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:57,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:57,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:57,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:57,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:57,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:57,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:57,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:57,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:57,961 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:57,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:57,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:57,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:57,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:57,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:57,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:57,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:57,969 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:57,969 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:57,970 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:57,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:57,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:57,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:57,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:57,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:57,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:57,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:57,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:57,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:57,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:57,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:57,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:57,975 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:57,977 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:57,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:57,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:57,982 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 -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-24 21:08:58,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:58,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:58,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:58,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:58,588 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:58,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-24 21:08:58,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73464902f/e5fc544e21f741ff92af8db2e9c66673/FLAG422f90f7a [2019-11-24 21:08:59,916 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:59,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-24 21:08:59,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73464902f/e5fc544e21f741ff92af8db2e9c66673/FLAG422f90f7a [2019-11-24 21:08:59,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73464902f/e5fc544e21f741ff92af8db2e9c66673 [2019-11-24 21:08:59,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:59,988 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:09:00,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:00,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:09:00,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:09:00,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:59" (1/1) ... [2019-11-24 21:09:00,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:00, skipping insertion in model container [2019-11-24 21:09:00,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:59" (1/1) ... [2019-11-24 21:09:00,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:09:00,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:09:00,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:01,029 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:09:01,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:09:01,317 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:09:01,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01 WrapperNode [2019-11-24 21:09:01,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:09:01,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:01,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:09:01,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:09:01,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:09:01,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:09:01,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:09:01,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:09:01,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:09:01" (1/1) ... [2019-11-24 21:09:01,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:09:01,557 INFO L168 Benchmark]: Toolchain (without parser) took 1561.96 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 966.7 MB in the end (delta: 670.1 kB). Peak memory consumption was 735.7 kB. Max. memory is 12.5 GB. [2019-11-24 21:09:01,558 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:09:01,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:01,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.22 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. [2019-11-24 21:09:01,573 INFO L168 Benchmark]: Boogie Preprocessor took 93.42 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:09:01,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1315.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.22 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 93.42 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 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...