./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta --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 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:39:48,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:39:48,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:39:48,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:39:48,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:39:48,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:39:48,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:39:48,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:39:48,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:39:48,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:39:48,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:39:48,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:39:48,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:39:48,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:39:48,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:39:48,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:39:48,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:39:48,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:39:48,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:39:48,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:39:48,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:39:48,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:39:48,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:39:48,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:39:48,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:39:48,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:39:48,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:39:48,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:39:48,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:39:48,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:39:48,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:39:48,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:39:48,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:39:48,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:39:48,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:39:48,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:39:48,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:39:48,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:39:48,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:39:48,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:39:48,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:39:48,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:39:49,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:39:49,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:39:49,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:39:49,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:39:49,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:39:49,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:39:49,037 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:39:49,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:39:49,037 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:39:49,037 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:39:49,038 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:39:49,039 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:39:49,039 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:39:49,039 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:39:49,039 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:39:49,040 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:39:49,040 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:39:49,040 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:39:49,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:39:49,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:39:49,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:39:49,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:39:49,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:39:49,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:39:49,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:39:49,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:39:49,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:39:49,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:39:49,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:39:49,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:39:49,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:39:49,046 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:39:49,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:39:49,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:39:49,047 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:39:49,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:39:49,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:39:49,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:39:49,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 [2022-10-17 17:39:49,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:39:49,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:39:49,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:39:49,398 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:39:49,399 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:39:49,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-10-17 17:39:49,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/data/a9a7aba5a/23b6ddbee8fa4d9bb2a36e848056aed6/FLAGe8ae7bd3e [2022-10-17 17:39:50,552 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:39:50,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-10-17 17:39:50,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/data/a9a7aba5a/23b6ddbee8fa4d9bb2a36e848056aed6/FLAGe8ae7bd3e [2022-10-17 17:39:50,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/data/a9a7aba5a/23b6ddbee8fa4d9bb2a36e848056aed6 [2022-10-17 17:39:50,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:39:50,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:39:50,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:39:50,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:39:50,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:39:50,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:39:50" (1/1) ... [2022-10-17 17:39:50,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c7d47c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:50, skipping insertion in model container [2022-10-17 17:39:50,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:39:50" (1/1) ... [2022-10-17 17:39:50,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:39:51,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:39:51,626 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2022-10-17 17:39:51,627 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2022-10-17 17:39:52,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2022-10-17 17:39:53,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:39:53,192 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:39:53,287 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2022-10-17 17:39:53,288 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2022-10-17 17:39:53,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2022-10-17 17:39:53,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:39:53,954 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:39:53,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53 WrapperNode [2022-10-17 17:39:53,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:39:53,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:39:53,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:39:53,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:39:53,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,382 INFO L138 Inliner]: procedures = 250, calls = 2339, calls flagged for inlining = 129, calls inlined = 127, statements flattened = 6516 [2022-10-17 17:39:54,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:39:54,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:39:54,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:39:54,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:39:54,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,811 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:39:54,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:39:54,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:39:54,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:39:54,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (1/1) ... [2022-10-17 17:39:54,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:39:54,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:39:54,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:39:54,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d86831-62e0-49d2-9ea7-f5e3619d9f25/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:39:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_from_context [2022-10-17 17:39:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_from_context [2022-10-17 17:39:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 17:39:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:39:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:39:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 17:39:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 17:39:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:39:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:39:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_delete_hba [2022-10-17 17:39:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_delete_hba [2022-10-17 17:39:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-10-17 17:39:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-10-17 17:39:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-10-17 17:39:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-10-17 17:39:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 17:39:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 17:39:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 17:39:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 17:39:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:39:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:39:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_status_get [2022-10-17 17:39:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_status_get [2022-10-17 17:39:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_build_sys_table [2022-10-17 17:39:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_build_sys_table [2022-10-17 17:39:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-10-17 17:39:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-10-17 17:39:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_online_hba [2022-10-17 17:39:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_online_hba [2022-10-17 17:39:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-10-17 17:39:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-10-17 17:39:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-10-17 17:39:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-10-17 17:39:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 17:39:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 17:39:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:39:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:39:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_2 [2022-10-17 17:39:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_2 [2022-10-17 17:39:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-10-17 17:39:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-10-17 17:39:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:39:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:39:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_query_scalar [2022-10-17 17:39:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_query_scalar [2022-10-17 17:39:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2022-10-17 17:39:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2022-10-17 17:39:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:39:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:39:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:39:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:39:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_hba_reset [2022-10-17 17:39:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_hba_reset [2022-10-17 17:39:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:39:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:39:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 17:39:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 17:39:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-10-17 17:39:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-10-17 17:39:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:39:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:39:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:39:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-17 17:39:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-17 17:39:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:39:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 17:39:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 17:39:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_lct_get [2022-10-17 17:39:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_lct_get [2022-10-17 17:39:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 17:39:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 17:39:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:39:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:39:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 17:39:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 17:39:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reparse_lct [2022-10-17 17:39:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reparse_lct [2022-10-17 17:39:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:39:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:39:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_wait [2022-10-17 17:39:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_wait [2022-10-17 17:39:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:39:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 17:39:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 17:39:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 17:39:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 17:39:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2022-10-17 17:39:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2022-10-17 17:39:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 17:39:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 17:39:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 17:39:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 17:39:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_adjust_queue_depth [2022-10-17 17:39:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_adjust_queue_depth [2022-10-17 17:39:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:39:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_activate_hba [2022-10-17 17:39:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_activate_hba [2022-10-17 17:39:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 17:39:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 17:39:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:39:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_ioctl [2022-10-17 17:39:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_ioctl [2022-10-17 17:39:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reset_hba [2022-10-17 17:39:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reset_hba [2022-10-17 17:39:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:39:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:39:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_read_blink_led [2022-10-17 17:39:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_read_blink_led [2022-10-17 17:39:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:39:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:39:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-10-17 17:39:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-10-17 17:39:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:39:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:39:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:39:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 17:39:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 17:39:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_send_nop [2022-10-17 17:39:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_send_nop [2022-10-17 17:39:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 17:39:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 17:39:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:39:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:39:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:39:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_install_device [2022-10-17 17:39:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_install_device [2022-10-17 17:39:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure dpt_dma64 [2022-10-17 17:39:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dpt_dma64 [2022-10-17 17:39:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 17:39:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 17:39:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:39:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_to_context [2022-10-17 17:39:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_to_context [2022-10-17 17:39:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:39:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:39:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 17:39:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 17:39:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:39:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:39:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 17:39:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 17:39:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 17:39:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 17:39:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_set_state [2022-10-17 17:39:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_set_state [2022-10-17 17:39:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-10-17 17:39:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-10-17 17:39:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_online [2022-10-17 17:39:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_online [2022-10-17 17:39:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_this [2022-10-17 17:39:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_this [2022-10-17 17:39:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:39:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:39:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-10-17 17:39:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-10-17 17:39:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_sys_shutdown [2022-10-17 17:39:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_sys_shutdown [2022-10-17 17:39:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 17:39:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 17:39:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 17:39:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 17:39:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:39:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_report_hba_unit [2022-10-17 17:39:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_report_hba_unit [2022-10-17 17:39:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-10-17 17:39:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-10-17 17:39:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-10-17 17:39:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-10-17 17:39:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:39:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:39:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 17:39:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 17:39:55,986 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:39:55,992 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:39:57,101 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:40:15,897 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:40:19,360 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:40:19,360 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:40:19,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:40:19 BoogieIcfgContainer [2022-10-17 17:40:19,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:40:19,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:40:19,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:40:19,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:40:19,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:39:50" (1/3) ... [2022-10-17 17:40:19,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62630931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:40:19, skipping insertion in model container [2022-10-17 17:40:19,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:39:53" (2/3) ... [2022-10-17 17:40:19,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62630931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:40:19, skipping insertion in model container [2022-10-17 17:40:19,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:40:19" (3/3) ... [2022-10-17 17:40:19,381 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-10-17 17:40:19,404 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:40:19,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:40:19,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:40:19,550 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e399569, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:40:19,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:40:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 1509 states, 994 states have (on average 1.3853118712273642) internal successors, (1377), 1018 states have internal predecessors, (1377), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) [2022-10-17 17:40:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:40:19,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:40:19,595 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:40:19,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:40:19,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:40:19,602 INFO L85 PathProgramCache]: Analyzing trace with hash 870330594, now seen corresponding path program 1 times [2022-10-17 17:40:19,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:40:19,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047154] [2022-10-17 17:40:19,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:40:19,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:40:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:40:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:40:20,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:40:20,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047154] [2022-10-17 17:40:20,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:40:20,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:40:20,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:40:20,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722889958] [2022-10-17 17:40:20,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:40:20,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:40:20,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:40:20,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:40:20,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:40:20,782 INFO L87 Difference]: Start difference. First operand has 1509 states, 994 states have (on average 1.3853118712273642) internal successors, (1377), 1018 states have internal predecessors, (1377), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)