./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.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_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/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 5340bf17546db607ed31b5f063e2479b5dbce9cb .............................................................................................................................. 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_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/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 5340bf17546db607ed31b5f063e2479b5dbce9cb ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:34:52,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:34:52,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:34:52,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:34:52,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:34:52,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:34:52,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:34:52,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:34:52,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:34:52,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:34:52,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:34:52,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:34:52,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:34:52,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:34:52,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:34:52,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:34:52,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:34:52,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:34:52,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:34:52,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:34:52,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:34:52,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:34:52,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:34:52,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:34:52,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:34:52,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:34:52,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:34:52,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:34:52,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:34:52,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:34:52,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:34:52,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:34:52,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:34:52,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:34:52,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:34:52,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:34:52,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:34:52,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:34:52,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:34:52,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:34:52,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:34:52,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-11-29 18:34:52,708 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:34:52,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:34:52,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:34:52,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:34:52,712 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:34:52,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:34:52,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:34:52,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:34:52,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:34:52,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:34:52,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:34:52,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:34:52,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:34:52,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:34:52,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:34:52,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:34:52,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:34:52,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:34:52,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:34:52,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:34:52,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:34:52,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:34:52,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:34:52,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:34:52,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:34:52,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:34:52,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:34:52,718 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_c1201167-4af9-443f-8bd3-c1e5720a60ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5340bf17546db607ed31b5f063e2479b5dbce9cb [2020-11-29 18:34:53,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:34:53,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:34:53,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:34:53,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:34:53,077 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:34:53,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-11-29 18:34:53,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data/9b3d178f3/e16dd86ab0ad4a7286b41dd57c84bddb/FLAGc43199b9f [2020-11-29 18:34:54,254 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:34:54,255 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-11-29 18:34:54,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data/9b3d178f3/e16dd86ab0ad4a7286b41dd57c84bddb/FLAGc43199b9f [2020-11-29 18:34:54,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data/9b3d178f3/e16dd86ab0ad4a7286b41dd57c84bddb [2020-11-29 18:34:54,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:34:54,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:34:54,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:34:54,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:34:54,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:34:54,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:34:54" (1/1) ... [2020-11-29 18:34:54,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e872de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:54, skipping insertion in model container [2020-11-29 18:34:54,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:34:54" (1/1) ... [2020-11-29 18:34:54,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:34:54,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:34:57,175 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-29 18:34:57,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f8ee4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:57, skipping insertion in model container [2020-11-29 18:34:57,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:34:57,177 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 18:34:57,181 INFO L168 Benchmark]: Toolchain (without parser) took 2553.74 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 41.7 MB in the beginning and 69.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:57,183 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 43.5 MB in the beginning and 43.4 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:34:57,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2550.33 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 41.7 MB in the beginning and 69.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:57,190 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 86.0 MB. Free memory was 43.5 MB in the beginning and 43.4 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2550.33 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 41.7 MB in the beginning and 69.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: 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 [2020-11-29 18:34:59,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:34:59,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:35:00,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:35:00,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:35:00,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:35:00,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:35:00,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:35:00,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:35:00,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:35:00,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:35:00,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:35:00,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:35:00,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:35:00,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:35:00,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:35:00,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:35:00,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:35:00,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:35:00,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:35:00,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:35:00,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:35:00,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:35:00,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:35:00,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:35:00,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:35:00,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:35:00,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:35:00,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:35:00,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:35:00,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:35:00,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:35:00,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:35:00,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:35:00,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:35:00,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:35:00,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:35:00,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:35:00,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:35:00,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:35:00,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:35:00,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-11-29 18:35:00,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:35:00,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:35:00,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:35:00,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:35:00,161 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:35:00,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:35:00,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:35:00,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:35:00,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:35:00,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:35:00,162 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:35:00,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:35:00,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:35:00,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:35:00,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:35:00,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:35:00,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:35:00,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:35:00,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:35:00,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:35:00,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:35:00,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:35:00,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:35:00,166 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:35:00,167 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:35:00,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:35:00,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:35:00,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:35:00,168 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-29 18:35:00,168 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_c1201167-4af9-443f-8bd3-c1e5720a60ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5340bf17546db607ed31b5f063e2479b5dbce9cb [2020-11-29 18:35:00,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:35:00,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:35:00,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:35:00,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:35:00,658 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:35:00,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-11-29 18:35:00,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data/81e5b0ad5/78f5c20679394c5abbeb23fcdf9d262c/FLAG48023be4a [2020-11-29 18:35:02,102 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:35:02,103 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-11-29 18:35:02,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data/81e5b0ad5/78f5c20679394c5abbeb23fcdf9d262c/FLAG48023be4a [2020-11-29 18:35:02,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c1201167-4af9-443f-8bd3-c1e5720a60ec/bin/uautomizer/data/81e5b0ad5/78f5c20679394c5abbeb23fcdf9d262c [2020-11-29 18:35:02,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:35:02,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:35:02,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:02,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:35:02,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:35:02,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:02" (1/1) ... [2020-11-29 18:35:02,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebde93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:02, skipping insertion in model container [2020-11-29 18:35:02,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:02" (1/1) ... [2020-11-29 18:35:02,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:35:02,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:35:04,514 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-29 18:35:04,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d3b652d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:04, skipping insertion in model container [2020-11-29 18:35:04,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:04,516 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 18:35:04,522 INFO L168 Benchmark]: Toolchain (without parser) took 2215.33 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 41.6 MB in the beginning and 42.3 MB in the end (delta: -721.7 kB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:04,522 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 65.0 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:35:04,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2209.08 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 41.4 MB in the beginning and 42.3 MB in the end (delta: -907.0 kB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:04,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 65.0 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2209.08 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 41.4 MB in the beginning and 42.3 MB in the end (delta: -907.0 kB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: 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...