./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-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa --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 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:46:25,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:46:25,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:46:25,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:46:25,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:46:25,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:46:25,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:46:25,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:46:25,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:46:25,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:46:25,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:46:25,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:46:25,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:46:25,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:46:25,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:46:25,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:46:25,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:46:25,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:46:25,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:46:25,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:46:25,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:46:25,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:46:25,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:46:25,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:46:25,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:46:25,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:46:25,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:46:25,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:46:25,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:46:25,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:46:25,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:46:25,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:46:25,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:46:25,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:46:25,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:46:25,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:46:25,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:46:25,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:46:25,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:46:25,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:46:25,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:46:25,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 19:46:25,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:46:25,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:46:25,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:46:25,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:46:25,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:46:25,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:46:25,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:46:25,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:46:25,714 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:46:25,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:46:25,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:46:25,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:46:25,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:46:25,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:46:25,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:46:25,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:46:25,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:46:25,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:46:25,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:46:25,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:46:25,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:46:25,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:46:25,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:46:25,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:46:25,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:46:25,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:46:25,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:46:25,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:46:25,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:46:25,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:46:25,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:46:25,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 [2021-12-06 19:46:25,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:46:25,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:46:25,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:46:25,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:46:25,936 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:46:25,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-06 19:46:25,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data/7f9514351/50a3249f4c784bd3a9a9443960b9098b/FLAGd9fbfbb31 [2021-12-06 19:46:28,265 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:46:28,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-06 19:46:28,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data/7f9514351/50a3249f4c784bd3a9a9443960b9098b/FLAGd9fbfbb31 [2021-12-06 19:46:28,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data/7f9514351/50a3249f4c784bd3a9a9443960b9098b [2021-12-06 19:46:28,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:46:28,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:46:28,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:46:28,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:46:29,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:46:29,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:46:28" (1/1) ... [2021-12-06 19:46:29,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c11fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:46:29, skipping insertion in model container [2021-12-06 19:46:29,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:46:28" (1/1) ... [2021-12-06 19:46:29,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:46:29,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:47:33,373 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2021-12-06 19:47:33,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67c6178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:47:33, skipping insertion in model container [2021-12-06 19:47:33,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:47:33,374 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-06 19:47:33,375 INFO L158 Benchmark]: Toolchain (without parser) took 64383.70ms. Allocated memory was 406.8MB in the beginning and 564.1MB in the end (delta: 157.3MB). Free memory was 248.3MB in the beginning and 305.7MB in the end (delta: -57.4MB). Peak memory consumption was 318.8MB. Max. memory is 16.1GB. [2021-12-06 19:47:33,376 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 21.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:47:33,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 64378.99ms. Allocated memory was 406.8MB in the beginning and 564.1MB in the end (delta: 157.3MB). Free memory was 248.3MB in the beginning and 305.7MB in the end (delta: -57.4MB). Peak memory consumption was 318.8MB. Max. memory is 16.1GB. [2021-12-06 19:47:33,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 21.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 64378.99ms. Allocated memory was 406.8MB in the beginning and 564.1MB in the end (delta: 157.3MB). Free memory was 248.3MB in the beginning and 305.7MB in the end (delta: -57.4MB). Peak memory consumption was 318.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 27311]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa --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 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:47:34,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:47:34,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:47:34,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:47:34,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:47:34,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:47:34,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:47:34,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:47:34,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:47:34,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:47:34,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:47:34,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:47:34,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:47:34,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:47:34,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:47:34,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:47:34,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:47:34,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:47:34,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:47:34,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:47:34,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:47:34,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:47:34,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:47:34,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:47:34,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:47:34,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:47:34,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:47:34,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:47:34,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:47:34,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:47:34,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:47:34,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:47:34,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:47:34,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:47:34,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:47:34,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:47:34,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:47:34,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:47:34,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:47:34,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:47:34,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:47:34,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-06 19:47:34,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:47:34,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:47:34,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:47:34,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:47:34,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:47:34,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:47:34,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:47:34,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:47:34,790 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:47:34,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:47:34,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:47:34,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:47:34,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:47:34,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:47:34,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 19:47:34,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 19:47:34,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 19:47:34,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:47:34,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:47:34,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:47:34,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:47:34,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:47:34,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:47:34,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:47:34,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:47:34,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:47:34,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:47:34,794 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 19:47:34,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 19:47:34,794 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:47:34,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:47:34,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:47:34,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:47:34,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 19:47:34,796 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 [2021-12-06 19:47:35,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:47:35,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:47:35,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:47:35,029 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:47:35,030 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:47:35,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-06 19:47:35,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data/55d0bc73b/f601403f6e8f49d19784f31ad7e454df/FLAG8b92fb703 [2021-12-06 19:47:37,338 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:47:37,339 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-06 19:47:37,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data/55d0bc73b/f601403f6e8f49d19784f31ad7e454df/FLAG8b92fb703 [2021-12-06 19:47:38,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feb0da6-b522-4cb8-9d54-bde079bb8986/bin/uautomizer-DrprNOufMa/data/55d0bc73b/f601403f6e8f49d19784f31ad7e454df [2021-12-06 19:47:38,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:47:38,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:47:38,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:47:38,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:47:38,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:47:38,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:47:38" (1/1) ... [2021-12-06 19:47:38,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7bc725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:47:38, skipping insertion in model container [2021-12-06 19:47:38,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:47:38" (1/1) ... [2021-12-06 19:47:38,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:47:38,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:48:42,558 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2021-12-06 19:48:42,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f418775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:48:42, skipping insertion in model container [2021-12-06 19:48:42,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:48:42,559 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-06 19:48:42,560 INFO L158 Benchmark]: Toolchain (without parser) took 64497.42ms. Allocated memory was 360.7MB in the beginning and 700.4MB in the end (delta: 339.7MB). Free memory was 216.2MB in the beginning and 293.0MB in the end (delta: -76.7MB). Peak memory consumption was 404.6MB. Max. memory is 16.1GB. [2021-12-06 19:48:42,561 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:48:42,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 64495.78ms. Allocated memory was 360.7MB in the beginning and 700.4MB in the end (delta: 339.7MB). Free memory was 216.2MB in the beginning and 293.0MB in the end (delta: -76.7MB). Peak memory consumption was 404.6MB. Max. memory is 16.1GB. [2021-12-06 19:48:42,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 64495.78ms. Allocated memory was 360.7MB in the beginning and 700.4MB in the end (delta: 339.7MB). Free memory was 216.2MB in the beginning and 293.0MB in the end (delta: -76.7MB). Peak memory consumption was 404.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 27311]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN