./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-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/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 0db0cea902dee508993a1764521a646fb6695cf8 ......................................................................................................................................... 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_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/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 0db0cea902dee508993a1764521a646fb6695cf8 .................................................................................................................................... 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 12:52:10,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:52:10,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:52:10,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:52:10,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:52:10,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:52:10,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:52:10,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:52:10,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:52:10,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:52:10,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:52:10,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:52:10,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:52:10,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:52:10,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:52:10,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:52:10,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:52:10,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:52:10,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:52:10,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:52:10,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:52:10,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:52:11,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:52:11,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:52:11,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:52:11,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:52:11,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:52:11,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:52:11,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:52:11,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:52:11,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:52:11,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:52:11,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:52:11,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:52:11,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:52:11,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:52:11,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:52:11,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:52:11,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:52:11,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:52:11,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:52:11,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 12:52:11,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:52:11,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:52:11,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:52:11,072 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:52:11,072 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:52:11,073 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:52:11,073 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:52:11,073 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:52:11,073 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:52:11,074 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:52:11,075 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:52:11,075 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:52:11,075 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:52:11,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:52:11,076 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:52:11,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:52:11,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:52:11,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:52:11,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:52:11,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:52:11,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:52:11,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:52:11,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:52:11,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:52:11,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:52:11,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:52:11,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:52:11,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:52:11,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:11,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:52:11,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:52:11,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:52:11,081 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:52:11,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:52:11,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:52:11,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:52:11,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:52:11,082 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 12:52:11,082 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_d6582429-0c1f-4902-881e-ee9b9acac74a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0db0cea902dee508993a1764521a646fb6695cf8 [2020-11-22 12:52:11,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:52:11,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:52:11,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:52:11,433 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:52:11,436 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:52:11,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i [2020-11-22 12:52:11,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data/f39f5b468/702e5359c200422c961a2e6a8e7e460a/FLAGe6fc7e40c [2020-11-22 12:52:12,585 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:52:12,586 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i [2020-11-22 12:52:12,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data/f39f5b468/702e5359c200422c961a2e6a8e7e460a/FLAGe6fc7e40c [2020-11-22 12:52:12,841 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data/f39f5b468/702e5359c200422c961a2e6a8e7e460a [2020-11-22 12:52:12,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:52:12,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:52:12,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:12,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:52:12,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:52:12,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:12" (1/1) ... [2020-11-22 12:52:12,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75968301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:12, skipping insertion in model container [2020-11-22 12:52:12,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:12" (1/1) ... [2020-11-22 12:52:12,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:52:13,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:15,962 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 12:52:15,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e215e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:15, skipping insertion in model container [2020-11-22 12:52:15,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:15,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:52:15,966 INFO L168 Benchmark]: Toolchain (without parser) took 3119.63 ms. Allocated memory is still 113.2 MB. Free memory was 75.4 MB in the beginning and 37.0 MB in the end (delta: 38.4 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:15,966 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:52:15,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3116.68 ms. Allocated memory is still 113.2 MB. Free memory was 75.4 MB in the beginning and 37.5 MB in the end (delta: 37.8 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:15,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3116.68 ms. Allocated memory is still 113.2 MB. Free memory was 75.4 MB in the beginning and 37.5 MB in the end (delta: 37.8 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7518]: 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 12:52:18,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:52:18,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:52:18,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:52:18,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:52:18,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:52:18,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:52:18,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:52:18,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:52:18,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:52:18,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:52:18,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:52:18,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:52:18,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:52:18,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:52:18,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:52:18,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:52:18,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:52:18,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:52:18,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:52:18,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:52:18,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:52:18,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:52:18,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:52:18,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:52:18,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:52:18,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:52:18,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:52:18,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:52:18,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:52:18,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:52:18,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:52:18,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:52:18,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:52:18,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:52:18,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:52:18,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:52:18,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:52:18,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:52:18,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:52:18,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:52:18,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 12:52:18,409 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:52:18,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:52:18,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:52:18,411 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:52:18,412 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:52:18,412 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:52:18,412 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:52:18,412 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:52:18,413 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:52:18,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:52:18,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:52:18,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:52:18,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:52:18,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:52:18,416 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:52:18,416 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:52:18,416 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:52:18,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:52:18,417 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:52:18,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:52:18,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:52:18,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:52:18,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:52:18,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:52:18,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:18,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:52:18,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:52:18,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:52:18,419 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:52:18,419 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:52:18,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:52:18,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:52:18,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:52:18,420 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_d6582429-0c1f-4902-881e-ee9b9acac74a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0db0cea902dee508993a1764521a646fb6695cf8 [2020-11-22 12:52:18,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:52:18,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:52:18,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:52:18,830 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:52:18,830 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:52:18,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i [2020-11-22 12:52:18,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data/2b8df53cd/2e9acdb5c6b6470e989aa7bd5b611bb3/FLAG1a10b96b0 [2020-11-22 12:52:20,231 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:52:20,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i [2020-11-22 12:52:20,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data/2b8df53cd/2e9acdb5c6b6470e989aa7bd5b611bb3/FLAG1a10b96b0 [2020-11-22 12:52:20,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d6582429-0c1f-4902-881e-ee9b9acac74a/bin/utaipan/data/2b8df53cd/2e9acdb5c6b6470e989aa7bd5b611bb3 [2020-11-22 12:52:20,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:52:20,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:52:20,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:20,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:52:20,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:52:20,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:20" (1/1) ... [2020-11-22 12:52:20,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12147207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:20, skipping insertion in model container [2020-11-22 12:52:20,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:20" (1/1) ... [2020-11-22 12:52:20,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:52:20,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:22,703 ERROR L326 MainTranslator]: Unsupported Syntax: conversion to CStruct not implemented. [2020-11-22 12:52:22,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b2a8bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:22, skipping insertion in model container [2020-11-22 12:52:22,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:22,705 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:52:22,707 INFO L168 Benchmark]: Toolchain (without parser) took 2260.76 ms. Allocated memory was 71.3 MB in the beginning and 113.2 MB in the end (delta: 41.9 MB). Free memory was 43.9 MB in the beginning and 71.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:22,708 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 38.7 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:52:22,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2258.54 ms. Allocated memory was 71.3 MB in the beginning and 113.2 MB in the end (delta: 41.9 MB). Free memory was 43.7 MB in the beginning and 71.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:22,711 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 56.6 MB. Free memory was 38.7 MB in the beginning and 38.7 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2258.54 ms. Allocated memory was 71.3 MB in the beginning and 113.2 MB in the end (delta: 41.9 MB). Free memory was 43.7 MB in the beginning and 71.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6646]: Unsupported Syntax conversion to CStruct not implemented. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...