./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.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_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/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_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/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_801c636b-7818-4ee0-8a47-04696165941e/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 c727ee56ff8cf558c3dc08b64ebc267261ea17bdfb88e50734daf71ad89adc7d --- 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 10:30:39,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:30:39,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:30:39,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:30:39,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:30:39,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:30:39,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:30:39,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:30:39,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:30:39,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:30:39,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:30:39,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:30:39,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:30:39,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:30:39,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:30:39,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:30:39,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:30:39,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:30:40,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:30:40,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:30:40,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:30:40,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:30:40,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:30:40,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:30:40,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:30:40,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:30:40,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:30:40,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:30:40,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:30:40,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:30:40,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:30:40,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:30:40,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:30:40,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:30:40,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:30:40,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:30:40,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:30:40,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:30:40,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:30:40,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:30:40,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:30:40,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:30:40,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:30:40,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:30:40,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:30:40,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:30:40,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:30:40,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:30:40,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:30:40,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:30:40,091 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:30:40,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:30:40,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:30:40,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:30:40,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:30:40,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:30:40,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:30:40,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:30:40,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:30:40,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:30:40,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:30:40,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:30:40,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:30:40,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:40,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:30:40,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:30:40,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:30:40,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:30:40,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:30:40,097 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:30:40,098 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:30:40,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:30:40,098 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_801c636b-7818-4ee0-8a47-04696165941e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c727ee56ff8cf558c3dc08b64ebc267261ea17bdfb88e50734daf71ad89adc7d [2022-10-17 10:30:40,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:30:40,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:30:40,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:30:40,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:30:40,409 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:30:40,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:30:40,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/data/545a7b609/885f3e0cb72749b793fc69a4331190d8/FLAGb6e18af46 [2022-10-17 10:30:41,361 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:30:41,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:30:41,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/data/545a7b609/885f3e0cb72749b793fc69a4331190d8/FLAGb6e18af46 [2022-10-17 10:30:41,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/data/545a7b609/885f3e0cb72749b793fc69a4331190d8 [2022-10-17 10:30:41,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:30:41,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:30:41,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:41,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:30:41,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:30:41,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:41" (1/1) ... [2022-10-17 10:30:41,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250888de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:41, skipping insertion in model container [2022-10-17 10:30:41,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:41" (1/1) ... [2022-10-17 10:30:41,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:30:41,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:30:44,998 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_801c636b-7818-4ee0-8a47-04696165941e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328445,328458] [2022-10-17 10:30:45,002 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_801c636b-7818-4ee0-8a47-04696165941e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328590,328603] [2022-10-17 10:30:45,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:45,066 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:30:45,541 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_801c636b-7818-4ee0-8a47-04696165941e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328445,328458] [2022-10-17 10:30:45,542 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_801c636b-7818-4ee0-8a47-04696165941e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328590,328603] [2022-10-17 10:30:45,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:45,710 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:30:45,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45 WrapperNode [2022-10-17 10:30:45,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:45,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:45,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:30:45,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:30:45,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:45,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,085 INFO L138 Inliner]: procedures = 388, calls = 2109, calls flagged for inlining = 154, calls inlined = 135, statements flattened = 4406 [2022-10-17 10:30:46,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:46,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:30:46,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:30:46,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:30:46,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:30:46,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:30:46,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:30:46,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:30:46,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (1/1) ... [2022-10-17 10:30:46,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:46,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:46,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:46,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_801c636b-7818-4ee0-8a47-04696165941e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:30:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-10-17 10:30:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-10-17 10:30:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:30:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:30:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-10-17 10:30:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-10-17 10:30:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-10-17 10:30:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-10-17 10:30:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:30:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:30:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:30:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:30:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:30:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:30:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-10-17 10:30:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-10-17 10:30:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2022-10-17 10:30:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2022-10-17 10:30:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-10-17 10:30:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-10-17 10:30:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-10-17 10:30:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-10-17 10:30:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:30:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:30:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-10-17 10:30:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-10-17 10:30:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-10-17 10:30:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-10-17 10:30:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 10:30:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 10:30:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:30:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:30:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:30:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-10-17 10:30:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-10-17 10:30:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-10-17 10:30:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-10-17 10:30:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:30:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:30:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-10-17 10:30:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-10-17 10:30:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:30:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:30:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-10-17 10:30:46,520 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-10-17 10:30:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-10-17 10:30:46,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-10-17 10:30:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:30:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-10-17 10:30:46,521 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-10-17 10:30:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-10-17 10:30:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-10-17 10:30:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-10-17 10:30:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-10-17 10:30:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:30:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:30:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:30:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-10-17 10:30:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-10-17 10:30:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:30:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:30:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:30:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-10-17 10:30:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-10-17 10:30:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:30:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:30:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:30:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:30:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:30:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:30:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-10-17 10:30:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-10-17 10:30:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-10-17 10:30:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-10-17 10:30:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-10-17 10:30:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-10-17 10:30:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-10-17 10:30:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-10-17 10:30:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:30:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:30:46,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:30:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-10-17 10:30:46,529 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-10-17 10:30:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:30:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:30:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:30:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:30:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:30:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:30:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:30:46,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:30:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:30:46,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:30:46,532 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-10-17 10:30:46,533 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-10-17 10:30:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:30:46,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:30:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 10:30:46,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 10:30:46,534 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:30:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:30:46,534 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:30:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:30:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-10-17 10:30:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-10-17 10:30:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-10-17 10:30:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-10-17 10:30:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:30:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:30:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:30:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:30:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-10-17 10:30:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-10-17 10:30:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:30:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:30:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-10-17 10:30:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-10-17 10:30:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:30:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:30:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:30:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:30:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-10-17 10:30:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-10-17 10:30:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-17 10:30:46,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-17 10:30:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-10-17 10:30:46,551 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-10-17 10:30:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-10-17 10:30:46,551 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-10-17 10:30:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:30:46,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:30:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-10-17 10:30:46,552 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-10-17 10:30:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-10-17 10:30:46,552 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-10-17 10:30:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:30:46,552 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:30:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:30:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:30:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-10-17 10:30:46,553 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-10-17 10:30:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:30:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:30:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:30:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-10-17 10:30:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-10-17 10:30:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:30:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:30:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-17 10:30:46,555 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-17 10:30:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:30:46,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:30:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:30:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:30:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:30:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:30:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-10-17 10:30:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-10-17 10:30:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:30:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:30:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:30:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:30:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:30:46,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:30:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:30:46,558 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:30:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 10:30:46,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 10:30:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:30:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 10:30:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 10:30:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-10-17 10:30:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-10-17 10:30:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-17 10:30:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-17 10:30:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:30:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:30:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-10-17 10:30:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-10-17 10:30:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-10-17 10:30:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-10-17 10:30:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-10-17 10:30:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-10-17 10:30:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:30:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:30:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-10-17 10:30:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-10-17 10:30:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-10-17 10:30:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-10-17 10:30:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-10-17 10:30:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-10-17 10:30:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-17 10:30:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-17 10:30:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:30:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-17 10:30:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-17 10:30:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:30:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:30:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-17 10:30:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-17 10:30:47,398 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:30:47,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:30:47,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:30:51,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:30:52,602 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:30:52,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:30:52,634 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:30:52,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:52 BoogieIcfgContainer [2022-10-17 10:30:52,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:30:52,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:30:52,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:30:52,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:30:52,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:30:41" (1/3) ... [2022-10-17 10:30:52,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be997b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:52, skipping insertion in model container [2022-10-17 10:30:52,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:45" (2/3) ... [2022-10-17 10:30:52,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be997b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:52, skipping insertion in model container [2022-10-17 10:30:52,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:52" (3/3) ... [2022-10-17 10:30:52,650 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:30:52,670 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:30:52,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:30:52,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:30:52,805 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;@8f8bcbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:30:52,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:30:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 1987 states, 1235 states have (on average 1.3036437246963564) internal successors, (1610), 1259 states have internal predecessors, (1610), 660 states have call successors, (660), 92 states have call predecessors, (660), 91 states have return successors, (656), 644 states have call predecessors, (656), 656 states have call successors, (656) [2022-10-17 10:30:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-17 10:30:52,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:52,867 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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 10:30:52,868 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:52,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:52,874 INFO L85 PathProgramCache]: Analyzing trace with hash 648572882, now seen corresponding path program 1 times [2022-10-17 10:30:52,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:52,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846651644] [2022-10-17 10:30:52,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:52,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:30:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:30:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:30:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:30:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:30:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:30:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:30:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:30:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-17 10:30:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:30:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-17 10:30:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-17 10:30:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-17 10:30:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:30:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-17 10:30:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 10:30:54,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:54,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846651644] [2022-10-17 10:30:54,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846651644] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:54,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:54,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:30:54,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707838458] [2022-10-17 10:30:54,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:54,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:30:54,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:54,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:54,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:54,224 INFO L87 Difference]: Start difference. First operand has 1987 states, 1235 states have (on average 1.3036437246963564) internal successors, (1610), 1259 states have internal predecessors, (1610), 660 states have call successors, (660), 92 states have call predecessors, (660), 91 states have return successors, (656), 644 states have call predecessors, (656), 656 states have call successors, (656) Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 4 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2022-10-17 10:30:58,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:31:01,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []