./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.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_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7537b4240a5be178fd08fe2bdf039a91acebaeb9 ................................................................................................................................................................ 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_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7537b4240a5be178fd08fe2bdf039a91acebaeb9 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:50,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:50,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:50,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:50,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:50,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:50,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:50,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:50,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:50,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:50,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:50,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:50,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:50,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:50,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:50,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:50,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:50,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:50,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:50,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:50,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:50,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:50,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:50,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:50,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:50,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:50,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:50,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:50,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:50,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:50,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:50,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:50,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:50,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:50,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:50,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:50,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:50,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:50,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:50,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:50,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:50,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 13:06:50,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:50,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:50,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:50,809 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:50,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:50,810 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:50,810 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:50,810 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:50,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:50,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:50,812 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:50,812 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:50,813 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:50,813 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:50,813 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:50,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:50,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:50,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:50,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:50,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:50,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:50,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:50,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:50,817 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:50,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:50,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:50,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:50,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:50,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:50,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:50,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:50,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:50,821 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:50,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:50,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:50,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:50,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:50,822 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 13:06:50,822 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7537b4240a5be178fd08fe2bdf039a91acebaeb9 [2020-11-22 13:06:51,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:51,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:51,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:51,115 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:51,116 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:51,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-22 13:06:51,213 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data/5daf2e588/327e0fb8e0c74bf78eba98a8d3c64169/FLAG46f522188 [2020-11-22 13:06:52,490 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:52,491 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-22 13:06:52,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data/5daf2e588/327e0fb8e0c74bf78eba98a8d3c64169/FLAG46f522188 [2020-11-22 13:06:52,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data/5daf2e588/327e0fb8e0c74bf78eba98a8d3c64169 [2020-11-22 13:06:52,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:52,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:52,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:52,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:52,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:52,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:52" (1/1) ... [2020-11-22 13:06:52,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f053917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:52, skipping insertion in model container [2020-11-22 13:06:52,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:52" (1/1) ... [2020-11-22 13:06:52,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:53,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:56,392 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:56,920 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:56,939 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:56,952 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:56,965 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:56,980 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,010 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,023 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,037 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,051 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,067 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,080 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,097 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,123 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,154 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,167 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,183 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,205 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,281 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,285 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,347 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,358 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,371 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:06:57,376 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:06:57,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b057e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:57, skipping insertion in model container [2020-11-22 13:06:57,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:57,378 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:57,380 INFO L168 Benchmark]: Toolchain (without parser) took 4672.02 ms. Allocated memory was 96.5 MB in the beginning and 241.2 MB in the end (delta: 144.7 MB). Free memory was 44.4 MB in the beginning and 154.6 MB in the end (delta: -110.2 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:57,381 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:57,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4667.90 ms. Allocated memory was 96.5 MB in the beginning and 241.2 MB in the end (delta: 144.7 MB). Free memory was 44.1 MB in the beginning and 154.6 MB in the end (delta: -110.5 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:57,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4667.90 ms. Allocated memory was 96.5 MB in the beginning and 241.2 MB in the end (delta: 144.7 MB). Free memory was 44.1 MB in the beginning and 154.6 MB in the end (delta: -110.5 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8716]: 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 [2020-11-22 13:06:59,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:59,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:59,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:59,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:59,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:59,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:59,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:59,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:59,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:59,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:59,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:59,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:59,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:59,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:59,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:59,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:59,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:59,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:59,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:59,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:59,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:59,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:59,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:59,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:59,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:59,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:59,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:59,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:59,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:59,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:59,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:59,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:59,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:59,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:59,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:59,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:59,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:59,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:59,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:59,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:59,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 13:06:59,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:59,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:59,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:59,871 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:59,871 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:59,871 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:59,871 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:59,872 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:59,872 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:59,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:59,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:59,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:59,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:59,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:59,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:59,876 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:06:59,876 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:06:59,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:59,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:59,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:59,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:59,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:06:59,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:59,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:59,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:59,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:59,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:59,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:59,879 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:06:59,879 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:06:59,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:59,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:59,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:59,880 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-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7537b4240a5be178fd08fe2bdf039a91acebaeb9 [2020-11-22 13:07:00,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:00,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:00,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:00,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:00,311 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:00,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-22 13:07:00,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data/323bd66fe/05c07fb5ef474422b641e8bb97194cd3/FLAGcc8725bb0 [2020-11-22 13:07:01,864 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:01,866 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-22 13:07:01,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data/323bd66fe/05c07fb5ef474422b641e8bb97194cd3/FLAGcc8725bb0 [2020-11-22 13:07:02,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f51a486f-d73a-42d0-82a5-1a11fb932258/bin/utaipan/data/323bd66fe/05c07fb5ef474422b641e8bb97194cd3 [2020-11-22 13:07:02,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:02,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:02,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:02,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:02,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:02,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:02" (1/1) ... [2020-11-22 13:07:02,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d83cb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:02, skipping insertion in model container [2020-11-22 13:07:02,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:02" (1/1) ... [2020-11-22 13:07:02,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:02,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:06,974 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:07:06,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d36465d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:06, skipping insertion in model container [2020-11-22 13:07:06,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:06,975 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:07:06,978 INFO L168 Benchmark]: Toolchain (without parser) took 4697.32 ms. Allocated memory was 88.1 MB in the beginning and 148.9 MB in the end (delta: 60.8 MB). Free memory was 47.0 MB in the beginning and 86.9 MB in the end (delta: -39.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:06,980 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 34.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:06,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4694.36 ms. Allocated memory was 88.1 MB in the beginning and 148.9 MB in the end (delta: 60.8 MB). Free memory was 46.8 MB in the beginning and 87.7 MB in the end (delta: -40.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:06,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 34.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4694.36 ms. Allocated memory was 88.1 MB in the beginning and 148.9 MB in the end (delta: 60.8 MB). Free memory was 46.8 MB in the beginning and 87.7 MB in the end (delta: -40.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8716]: 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...