./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 35957d316f8ec17bc77061ed94d663d9e0ca4497 ......................................................................................................................... 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 -Xmx15G -Xms4m -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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 35957d316f8ec17bc77061ed94d663d9e0ca4497 ........................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 04:28:13,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 04:28:13,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 04:28:13,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 04:28:13,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 04:28:13,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 04:28:13,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 04:28:13,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 04:28:13,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 04:28:13,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 04:28:13,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 04:28:13,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 04:28:13,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 04:28:13,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 04:28:13,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 04:28:13,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 04:28:13,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 04:28:13,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 04:28:13,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 04:28:13,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 04:28:13,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 04:28:13,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 04:28:13,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 04:28:13,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 04:28:13,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 04:28:13,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 04:28:13,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 04:28:13,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 04:28:13,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 04:28:13,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 04:28:13,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 04:28:13,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 04:28:13,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 04:28:13,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 04:28:13,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 04:28:13,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 04:28:13,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 04:28:13,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 04:28:13,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 04:28:13,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 04:28:13,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 04:28:13,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-20 04:28:13,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 04:28:13,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 04:28:13,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 04:28:13,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 04:28:13,868 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 04:28:13,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 04:28:13,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 04:28:13,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 04:28:13,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 04:28:13,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 04:28:13,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 04:28:13,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 04:28:13,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 04:28:13,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 04:28:13,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 04:28:13,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 04:28:13,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 04:28:13,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 04:28:13,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 04:28:13,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 04:28:13,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 04:28:13,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 04:28:13,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 04:28:13,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 04:28:13,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 04:28:13,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 04:28:13,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 04:28:13,874 INFO L138 SettingsManager]: * To the following directory=dump/ 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(reach_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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35957d316f8ec17bc77061ed94d663d9e0ca4497 [2020-10-20 04:28:14,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 04:28:14,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 04:28:14,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 04:28:14,113 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 04:28:14,114 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 04:28:14,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i [2020-10-20 04:28:14,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6ba009a/ce87ed2bbeb54f4d8701b81abbc88059/FLAG6d5cb2531 [2020-10-20 04:28:16,081 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 04:28:16,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i [2020-10-20 04:28:16,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6ba009a/ce87ed2bbeb54f4d8701b81abbc88059/FLAG6d5cb2531 [2020-10-20 04:28:16,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6ba009a/ce87ed2bbeb54f4d8701b81abbc88059 [2020-10-20 04:28:16,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 04:28:16,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 04:28:16,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 04:28:16,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 04:28:16,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 04:28:16,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:28:16" (1/1) ... [2020-10-20 04:28:16,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f81f56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:28:16, skipping insertion in model container [2020-10-20 04:28:16,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:28:16" (1/1) ... [2020-10-20 04:28:16,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 04:28:17,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 04:28:28,570 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2020-10-20 04:28:28,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@474839fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:28:28, skipping insertion in model container [2020-10-20 04:28:28,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 04:28:28,572 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 04:28:28,579 INFO L168 Benchmark]: Toolchain (without parser) took 11907.33 ms. Allocated memory was 61.9 MB in the beginning and 105.4 MB in the end (delta: 43.5 MB). Free memory was 15.6 MB in the beginning and 29.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 45.0 MB. Max. memory is 14.3 GB. [2020-10-20 04:28:28,581 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 12.7 MB in the beginning and 12.6 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. [2020-10-20 04:28:28,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 11877.27 ms. Allocated memory was 62.4 MB in the beginning and 105.4 MB in the end (delta: 43.0 MB). Free memory was 24.3 MB in the beginning and 29.4 MB in the end (delta: -5.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 14.3 GB. [2020-10-20 04:28:28,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 12.7 MB in the beginning and 12.6 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 11877.27 ms. Allocated memory was 62.4 MB in the beginning and 105.4 MB in the end (delta: 43.0 MB). Free memory was 24.3 MB in the beginning and 29.4 MB in the end (delta: -5.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 13620]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 04:28:30,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 04:28:30,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 04:28:30,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 04:28:30,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 04:28:30,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 04:28:30,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 04:28:30,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 04:28:30,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 04:28:30,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 04:28:30,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 04:28:30,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 04:28:30,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 04:28:30,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 04:28:30,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 04:28:30,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 04:28:30,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 04:28:30,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 04:28:30,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 04:28:30,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 04:28:30,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 04:28:30,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 04:28:30,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 04:28:30,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 04:28:30,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 04:28:30,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 04:28:30,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 04:28:30,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 04:28:30,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 04:28:30,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 04:28:30,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 04:28:30,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 04:28:30,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 04:28:30,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 04:28:30,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 04:28:30,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 04:28:30,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 04:28:30,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 04:28:30,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 04:28:30,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 04:28:30,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 04:28:30,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-10-20 04:28:30,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 04:28:30,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 04:28:30,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 04:28:30,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 04:28:30,949 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 04:28:30,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 04:28:30,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 04:28:30,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 04:28:30,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 04:28:30,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 04:28:30,952 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 04:28:30,952 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 04:28:30,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 04:28:30,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 04:28:30,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 04:28:30,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 04:28:30,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 04:28:30,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 04:28:30,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 04:28:30,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 04:28:30,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 04:28:30,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 04:28:30,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 04:28:30,956 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 04:28:30,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 04:28:30,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 04:28:30,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 04:28:30,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 04:28:30,957 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-10-20 04:28:30,957 INFO L138 SettingsManager]: * To the following directory=dump/ 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(reach_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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35957d316f8ec17bc77061ed94d663d9e0ca4497 [2020-10-20 04:28:31,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 04:28:31,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 04:28:31,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 04:28:31,249 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 04:28:31,250 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 04:28:31,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i [2020-10-20 04:28:31,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b904f1cd/6bc6e72df5e14493b2c165fccf363019/FLAG3b4d7147f [2020-10-20 04:28:33,093 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 04:28:33,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--chelsio--cxgb4--cxgb4.ko-entry_point.cil.out.i [2020-10-20 04:28:33,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b904f1cd/6bc6e72df5e14493b2c165fccf363019/FLAG3b4d7147f [2020-10-20 04:28:33,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b904f1cd/6bc6e72df5e14493b2c165fccf363019 [2020-10-20 04:28:33,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 04:28:33,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 04:28:33,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 04:28:33,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 04:28:33,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 04:28:33,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:28:33" (1/1) ... [2020-10-20 04:28:33,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1925a816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:28:33, skipping insertion in model container [2020-10-20 04:28:33,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:28:33" (1/1) ... [2020-10-20 04:28:33,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 04:28:34,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 04:28:44,272 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2020-10-20 04:28:44,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5df0f18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:28:44, skipping insertion in model container [2020-10-20 04:28:44,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 04:28:44,274 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 04:28:44,278 INFO L168 Benchmark]: Toolchain (without parser) took 10400.44 ms. Allocated memory was 74.4 MB in the beginning and 115.3 MB in the end (delta: 40.9 MB). Free memory was 35.5 MB in the beginning and 36.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 14.3 GB. [2020-10-20 04:28:44,279 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 31.5 MB. Free memory was 8.5 MB in the beginning and 8.4 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. [2020-10-20 04:28:44,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 10393.69 ms. Allocated memory was 74.4 MB in the beginning and 115.3 MB in the end (delta: 40.9 MB). Free memory was 34.4 MB in the beginning and 36.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 55.0 MB. Max. memory is 14.3 GB. [2020-10-20 04:28:44,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 31.5 MB. Free memory was 8.5 MB in the beginning and 8.4 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 10393.69 ms. Allocated memory was 74.4 MB in the beginning and 115.3 MB in the end (delta: 40.9 MB). Free memory was 34.4 MB in the beginning and 36.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 55.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 13620]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...