./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.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_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0271a94e9583537c53cc956cc665cf103175977e84d74a6d4144b032ac11f321 --- 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 10:44:49,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:44:49,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:44:50,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:44:50,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:44:50,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:44:50,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:44:50,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:44:50,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:44:50,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:44:50,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:44:50,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:44:50,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:44:50,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:44:50,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:44:50,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:44:50,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:44:50,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:44:50,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:44:50,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:44:50,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:44:50,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:44:50,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:44:50,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:44:50,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:44:50,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:44:50,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:44:50,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:44:50,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:44:50,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:44:50,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:44:50,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:44:50,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:44:50,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:44:50,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:44:50,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:44:50,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:44:50,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:44:50,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:44:50,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:44:50,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:44:50,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:44:50,148 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:44:50,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:44:50,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:44:50,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:44:50,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:44:50,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:44:50,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:44:50,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:44:50,152 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:44:50,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:44:50,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:44:50,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:44:50,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:44:50,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:44:50,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:44:50,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:44:50,155 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:44:50,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:44:50,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:44:50,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:44:50,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:44:50,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:44:50,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:44:50,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:44:50,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:44:50,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:44:50,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:44:50,159 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:44:50,168 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:44:50,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:44:50,169 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_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0271a94e9583537c53cc956cc665cf103175977e84d74a6d4144b032ac11f321 [2022-10-17 10:44:50,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:44:50,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:44:50,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:44:50,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:44:50,493 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:44:50,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-17 10:44:50,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/data/9916c9b89/d9588799c4314339973179152ad1f609/FLAG5e4d13f79 [2022-10-17 10:44:51,643 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:44:51,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-17 10:44:51,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/data/9916c9b89/d9588799c4314339973179152ad1f609/FLAG5e4d13f79 [2022-10-17 10:44:51,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/data/9916c9b89/d9588799c4314339973179152ad1f609 [2022-10-17 10:44:51,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:44:51,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:44:51,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:44:51,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:44:51,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:44:51,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:51" (1/1) ... [2022-10-17 10:44:51,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404d3d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:51, skipping insertion in model container [2022-10-17 10:44:51,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:51" (1/1) ... [2022-10-17 10:44:51,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:44:52,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:44:52,949 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6098] [2022-10-17 10:44:52,949 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6099-6100] [2022-10-17 10:44:53,639 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_38a74a09-93d3-4dda-8fa9-13ef23badf8c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i[187542,187555] [2022-10-17 10:44:55,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:44:55,251 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:44:55,498 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6098] [2022-10-17 10:44:55,498 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6099-6100] [2022-10-17 10:44:55,521 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_38a74a09-93d3-4dda-8fa9-13ef23badf8c/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i[187542,187555] [2022-10-17 10:44:56,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:44:56,226 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:44:56,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56 WrapperNode [2022-10-17 10:44:56,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:44:56,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:56,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:44:56,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:44:56,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:56,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:56,654 INFO L138 Inliner]: procedures = 286, calls = 2898, calls flagged for inlining = 145, calls inlined = 128, statements flattened = 5519 [2022-10-17 10:44:56,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:56,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:44:56,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:44:56,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:44:56,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:56,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:56,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:56,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:56,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:57,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:57,059 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:57,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:57,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:44:57,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:44:57,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:44:57,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:44:57,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (1/1) ... [2022-10-17 10:44:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:44:57,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:57,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:57,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a74a09-93d3-4dda-8fa9-13ef23badf8c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:44:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-10-17 10:44:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-10-17 10:44:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:44:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-17 10:44:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-17 10:44:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:44:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:44:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:44:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:44:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:44:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure send_to_lecd [2022-10-17 10:44:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure send_to_lecd [2022-10-17 10:44:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:44:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:44:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure __lec_arp_check_expire [2022-10-17 10:44:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __lec_arp_check_expire [2022-10-17 10:44:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:44:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:44:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-17 10:44:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_stop [2022-10-17 10:44:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_stop [2022-10-17 10:44:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:44:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:44:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-10-17 10:44:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-10-17 10:44:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:44:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:44:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:44:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:44:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:44:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:44:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-17 10:44:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-17 10:44:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_find [2022-10-17 10:44:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_find [2022-10-17 10:44:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:44:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:44:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2022-10-17 10:44:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2022-10-17 10:44:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 10:44:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 10:44:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure atm_may_send [2022-10-17 10:44:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_may_send [2022-10-17 10:44:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_open [2022-10-17 10:44:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_open [2022-10-17 10:44:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:44:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:44:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 10:44:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 10:44:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:44:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 10:44:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tx_timeout [2022-10-17 10:44:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tx_timeout [2022-10-17 10:44:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_empty [2022-10-17 10:44:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_empty [2022-10-17 10:44:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure lec_flush_complete [2022-10-17 10:44:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_flush_complete [2022-10-17 10:44:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:44:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:44:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:44:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure lec_send [2022-10-17 10:44:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_send [2022-10-17 10:44:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-17 10:44:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:44:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:44:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:44:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-10-17 10:44:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-10-17 10:44:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:44:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-17 10:44:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-17 10:44:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:44:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:44:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 10:44:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 10:44:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tbl_walk [2022-10-17 10:44:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tbl_walk [2022-10-17 10:44:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:44:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:44:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:44:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:44:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:44:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:44:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:44:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure atm_force_charge [2022-10-17 10:44:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_force_charge [2022-10-17 10:44:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 10:44:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 10:44:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_check_expire [2022-10-17 10:44:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_check_expire [2022-10-17 10:44:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure atm_return [2022-10-17 10:44:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_return [2022-10-17 10:44:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:44:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:44:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:44:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-10-17 10:44:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-10-17 10:44:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure lec_get_idx [2022-10-17 10:44:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_get_idx [2022-10-17 10:44:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:44:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_add [2022-10-17 10:44:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_add [2022-10-17 10:44:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:44:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:44:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head [2022-10-17 10:44:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head [2022-10-17 10:44:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:44:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:44:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:44:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:44:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure lec_change_mtu [2022-10-17 10:44:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_change_mtu [2022-10-17 10:44:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-10-17 10:44:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-10-17 10:44:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:44:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:44:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:44:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:44:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-17 10:44:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-17 10:44:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:44:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:44:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_show [2022-10-17 10:44:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_show [2022-10-17 10:44:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure vcc_release_async [2022-10-17 10:44:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vcc_release_async [2022-10-17 10:44:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:44:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del [2022-10-17 10:44:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del [2022-10-17 10:44:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_private [2022-10-17 10:44:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_private [2022-10-17 10:44:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:44:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:44:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure lec_set_multicast_list [2022-10-17 10:44:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_set_multicast_list [2022-10-17 10:44:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_put [2022-10-17 10:44:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_put [2022-10-17 10:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_hold [2022-10-17 10:44:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_hold [2022-10-17 10:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-17 10:44:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-17 10:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-10-17 10:44:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-10-17 10:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:44:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_send [2022-10-17 10:44:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_send [2022-10-17 10:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-10-17 10:44:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-10-17 10:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-10-17 10:44:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-10-17 10:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_close [2022-10-17 10:44:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_close [2022-10-17 10:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:44:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-10-17 10:44:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-10-17 10:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure make_entry [2022-10-17 10:44:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure make_entry [2022-10-17 10:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:44:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_remove [2022-10-17 10:44:57,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_remove [2022-10-17 10:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_update [2022-10-17 10:44:57,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_update [2022-10-17 10:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_clear_vccs [2022-10-17 10:44:57,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_clear_vccs [2022-10-17 10:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-17 10:44:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-17 10:44:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:44:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:44:58,398 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:44:58,402 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:44:58,669 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:45:07,512 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:45:10,081 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 != (lec_addr_delete_~____ptr___0~4#1.base + lec_addr_delete_~____ptr___0~4#1.offset) % 18446744073709551616);lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset := 0, 0;lec_addr_delete_~entry~10#1.base, lec_addr_delete_~entry~10#1.offset := lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset; [2022-10-17 10:45:10,081 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 != (lec_addr_delete_~____ptr___0~4#1.base + lec_addr_delete_~____ptr___0~4#1.offset) % 18446744073709551616;lec_addr_delete_~__mptr___0~5#1.base, lec_addr_delete_~__mptr___0~5#1.offset := lec_addr_delete_~____ptr___0~4#1.base, lec_addr_delete_~____ptr___0~4#1.offset;lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset := lec_addr_delete_~__mptr___0~5#1.base, lec_addr_delete_~__mptr___0~5#1.offset; [2022-10-17 10:45:17,251 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:45:17,293 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:45:17,294 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:45:17,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:17 BoogieIcfgContainer [2022-10-17 10:45:17,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:45:17,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:45:17,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:45:17,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:45:17,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:44:51" (1/3) ... [2022-10-17 10:45:17,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2acc3d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:45:17, skipping insertion in model container [2022-10-17 10:45:17,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:56" (2/3) ... [2022-10-17 10:45:17,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2acc3d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:45:17, skipping insertion in model container [2022-10-17 10:45:17,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:17" (3/3) ... [2022-10-17 10:45:17,316 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-10-17 10:45:17,339 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:45:17,340 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:45:17,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:45:17,466 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=PETRI_NET, 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;@44cd6837, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:45:17,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:45:17,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 1671 states, 1231 states have (on average 1.3907392363931763) internal successors, (1712), 1271 states have internal predecessors, (1712), 361 states have call successors, (361), 78 states have call predecessors, (361), 77 states have return successors, (352), 342 states have call predecessors, (352), 352 states have call successors, (352) [2022-10-17 10:45:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 10:45:17,509 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:45:17,510 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:45:17,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:45:17,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:17,518 INFO L85 PathProgramCache]: Analyzing trace with hash -692835284, now seen corresponding path program 1 times [2022-10-17 10:45:17,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:17,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77730901] [2022-10-17 10:45:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:17,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:45:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:45:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:45:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:45:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:45:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:45:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:45:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:45:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:45:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-17 10:45:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-17 10:45:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 10:45:18,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:45:18,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77730901] [2022-10-17 10:45:18,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77730901] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:45:18,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:45:18,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:45:18,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066728255] [2022-10-17 10:45:18,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:45:18,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:45:18,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:45:18,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:45:18,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:45:18,842 INFO L87 Difference]: Start difference. First operand has 1671 states, 1231 states have (on average 1.3907392363931763) internal successors, (1712), 1271 states have internal predecessors, (1712), 361 states have call successors, (361), 78 states have call predecessors, (361), 77 states have return successors, (352), 342 states have call predecessors, (352), 352 states have call successors, (352) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)