./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer --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 f6d30df66b2fe2218df31f96349e1c7548e8362b ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer --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 f6d30df66b2fe2218df31f96349e1c7548e8362b ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:11:26,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:11:26,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:11:26,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:11:26,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:11:26,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:11:26,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:11:26,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:11:26,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:11:26,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:11:26,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:11:26,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:11:26,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:11:26,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:11:26,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:11:26,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:11:26,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:11:26,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:11:26,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:11:26,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:11:26,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:11:26,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:11:26,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:11:26,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:11:26,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:11:26,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:11:26,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:11:26,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:11:26,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:11:26,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:11:26,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:11:26,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:11:26,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:11:26,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:11:26,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:11:26,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:11:26,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:11:26,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:11:26,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:11:26,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:11:26,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:11:26,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-11-28 03:11:26,794 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:11:26,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:11:26,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:11:26,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:11:26,798 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:11:26,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:11:26,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:11:26,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:11:26,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:11:26,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:11:26,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:11:26,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:11:26,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:11:26,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:11:26,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:11:26,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:11:26,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:11:26,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:11:26,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:11:26,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:11:26,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:11:26,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:11:26,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:11:26,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:11:26,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:11:26,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:11:26,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:11:26,806 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-11-28 03:11:27,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:11:27,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:11:27,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:11:27,175 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:11:27,176 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:11:27,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-28 03:11:27,266 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data/23b1c48f1/a1f848666da0491e9255bff62c6a2472/FLAG14ca980f5 [2020-11-28 03:11:28,219 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:11:28,220 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-28 03:11:28,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data/23b1c48f1/a1f848666da0491e9255bff62c6a2472/FLAG14ca980f5 [2020-11-28 03:11:28,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data/23b1c48f1/a1f848666da0491e9255bff62c6a2472 [2020-11-28 03:11:28,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:11:28,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:11:28,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:28,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:11:28,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:11:28,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:28" (1/1) ... [2020-11-28 03:11:28,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b561fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:28, skipping insertion in model container [2020-11-28 03:11:28,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:28" (1/1) ... [2020-11-28 03:11:28,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:11:28,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:11:29,525 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-11-28 03:11:30,846 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 03:11:30,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ae61dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:30, skipping insertion in model container [2020-11-28 03:11:30,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:30,848 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:11:30,852 INFO L168 Benchmark]: Toolchain (without parser) took 2184.56 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.4 MB in the beginning and 54.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:30,854 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:30,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2177.98 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 55.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:30,860 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 86.0 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2177.98 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 55.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6450]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:11:33,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:11:33,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:11:33,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:11:33,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:11:33,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:11:33,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:11:33,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:11:33,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:11:33,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:11:33,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:11:33,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:11:33,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:11:33,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:11:33,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:11:33,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:11:33,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:11:33,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:11:33,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:11:33,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:11:33,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:11:33,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:11:33,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:11:33,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:11:33,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:11:33,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:11:33,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:11:33,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:11:33,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:11:33,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:11:33,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:11:33,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:11:33,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:11:33,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:11:33,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:11:33,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:11:33,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:11:33,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:11:33,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:11:33,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:11:33,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:11:33,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-11-28 03:11:33,752 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:11:33,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:11:33,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:11:33,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:11:33,757 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:11:33,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:11:33,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:11:33,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:11:33,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:11:33,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:11:33,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:11:33,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:11:33,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:11:33,760 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:11:33,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:11:33,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:11:33,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:11:33,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:11:33,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:11:33,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:11:33,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:11:33,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:11:33,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:11:33,763 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:11:33,763 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:11:33,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:11:33,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:11:33,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:11:33,764 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-28 03:11:33,764 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-11-28 03:11:34,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:11:34,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:11:34,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:11:34,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:11:34,285 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:11:34,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-28 03:11:34,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data/2aea83b1c/d6a2d5596ca5491cbb1a7feec2041a58/FLAGe9cf423a1 [2020-11-28 03:11:35,473 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:11:35,474 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-28 03:11:35,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data/2aea83b1c/d6a2d5596ca5491cbb1a7feec2041a58/FLAGe9cf423a1 [2020-11-28 03:11:35,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee23b3fa-8f52-4355-8ae1-45f620e82e0f/bin/uautomizer/data/2aea83b1c/d6a2d5596ca5491cbb1a7feec2041a58 [2020-11-28 03:11:35,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:11:35,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:11:35,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:35,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:11:35,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:11:35,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:35" (1/1) ... [2020-11-28 03:11:35,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f39137e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:35, skipping insertion in model container [2020-11-28 03:11:35,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:35" (1/1) ... [2020-11-28 03:11:35,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:11:36,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:11:36,879 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-11-28 03:11:38,231 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 03:11:38,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b7a16d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:38, skipping insertion in model container [2020-11-28 03:11:38,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:38,232 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:11:38,235 INFO L168 Benchmark]: Toolchain (without parser) took 2361.28 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 26.4 MB in the beginning and 48.0 MB in the end (delta: -21.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:38,236 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:38,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2355.14 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 26.1 MB in the beginning and 48.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:38,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2355.14 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 26.1 MB in the beginning and 48.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6450]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...