./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_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/config/KojakReach.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_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak --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 Kojak --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_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/config/KojakReach.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_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak --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 Kojak --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 [2020-11-28 04:33:43,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:43,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:43,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:43,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:43,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:43,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:43,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:43,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:43,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:43,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:43,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:43,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:43,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:43,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:43,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:43,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:43,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:43,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:43,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:43,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:43,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:43,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:43,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:43,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:43,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:43,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:43,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:43,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:43,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:43,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:43,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:43,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:43,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:43,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:43,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:43,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:43,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:43,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:43,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:43,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:43,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-11-28 04:33:43,208 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:43,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:43,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:43,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:43,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:43,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:43,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:43,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:33:43,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:43,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:43,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:43,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:43,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:43,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:43,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:43,214 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:43,214 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:43,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:43,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:43,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:43,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:43,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:43,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:43,215 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:33:43,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:33:43,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:43,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:33:43,216 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_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7537b4240a5be178fd08fe2bdf039a91acebaeb9 [2020-11-28 04:33:43,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:43,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:43,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:43,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:43,549 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:43,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-28 04:33:43,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data/29258674e/b0b8a6c002b547bba32718c5ff076e26/FLAGc8554ea84 [2020-11-28 04:33:44,938 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:44,939 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-28 04:33:45,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data/29258674e/b0b8a6c002b547bba32718c5ff076e26/FLAGc8554ea84 [2020-11-28 04:33:45,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data/29258674e/b0b8a6c002b547bba32718c5ff076e26 [2020-11-28 04:33:45,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:45,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:45,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:45,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:45,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:45,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:45" (1/1) ... [2020-11-28 04:33:45,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5151de76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:45, skipping insertion in model container [2020-11-28 04:33:45,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:45" (1/1) ... [2020-11-28 04:33:45,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:45,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:49,611 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 04:33:49,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bfa083f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:49, skipping insertion in model container [2020-11-28 04:33:49,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:49,613 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:33:49,616 INFO L168 Benchmark]: Toolchain (without parser) took 4066.73 ms. Allocated memory was 130.0 MB in the beginning and 186.6 MB in the end (delta: 56.6 MB). Free memory was 67.3 MB in the beginning and 109.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 61.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:49,617 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 96.5 MB. Free memory is still 54.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:49,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4064.35 ms. Allocated memory was 130.0 MB in the beginning and 186.6 MB in the end (delta: 56.6 MB). Free memory was 67.3 MB in the beginning and 109.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 61.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:49,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 96.5 MB. Free memory is still 54.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4064.35 ms. Allocated memory was 130.0 MB in the beginning and 186.6 MB in the end (delta: 56.6 MB). Free memory was 67.3 MB in the beginning and 109.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 61.3 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 [2020-11-28 04:33:51,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:51,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:51,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:51,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:51,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:51,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:51,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:51,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:51,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:51,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:51,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:51,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:51,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:51,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:51,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:51,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:51,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:51,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:51,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:51,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:51,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:51,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:51,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:51,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:51,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:51,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:51,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:51,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:51,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:51,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:51,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:51,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:51,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:51,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:51,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:51,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:51,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:51,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:51,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:51,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:51,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2020-11-28 04:33:51,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:51,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:51,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:51,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:51,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:51,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:51,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:51,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:51,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:51,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:51,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:51,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:33:51,982 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:33:51,982 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:33:51,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:51,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:51,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:51,983 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:51,983 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:51,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:51,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:51,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:51,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:51,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:51,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:51,985 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:33:51,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:33:51,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:52,001 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:33:52,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:33:52,001 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-28 04:33:52,001 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_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7537b4240a5be178fd08fe2bdf039a91acebaeb9 [2020-11-28 04:33:52,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:52,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:52,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:52,431 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:52,432 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:52,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-28 04:33:52,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data/692212b36/a3c799d258f5433ab7fbf2e9763f128e/FLAGbbf780aba [2020-11-28 04:33:54,011 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:54,012 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-11-28 04:33:54,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data/692212b36/a3c799d258f5433ab7fbf2e9763f128e/FLAGbbf780aba [2020-11-28 04:33:54,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0a34a527-a1a4-4139-a1bf-3ab83824e72e/bin/ukojak/data/692212b36/a3c799d258f5433ab7fbf2e9763f128e [2020-11-28 04:33:54,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:54,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:54,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:54,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:54,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:54,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:54" (1/1) ... [2020-11-28 04:33:54,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5b4b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:54, skipping insertion in model container [2020-11-28 04:33:54,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:54" (1/1) ... [2020-11-28 04:33:54,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:54,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:58,848 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 04:33:58,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b594095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:58, skipping insertion in model container [2020-11-28 04:33:58,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:58,850 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:33:58,852 INFO L168 Benchmark]: Toolchain (without parser) took 4481.80 ms. Allocated memory was 71.3 MB in the beginning and 146.8 MB in the end (delta: 75.5 MB). Free memory was 31.8 MB in the beginning and 88.1 MB in the end (delta: -56.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:58,853 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:58,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4478.99 ms. Allocated memory was 71.3 MB in the beginning and 146.8 MB in the end (delta: 75.5 MB). Free memory was 31.7 MB in the beginning and 88.1 MB in the end (delta: -56.5 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:58,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4478.99 ms. Allocated memory was 71.3 MB in the beginning and 146.8 MB in the end (delta: 75.5 MB). Free memory was 31.7 MB in the beginning and 88.1 MB in the end (delta: -56.5 MB). Peak memory consumption was 55.3 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...