./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc --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 463dbca1530ea0e57c159e9405d50f794488f63283b3e27908f44b92b1921358 --- 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-5e519f3 [2022-11-02 20:16:15,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:16:15,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:16:15,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:16:15,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:16:15,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:16:15,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:16:15,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:16:15,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:16:15,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:16:15,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:16:15,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:16:15,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:16:15,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:16:15,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:16:15,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:16:15,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:16:15,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:16:15,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:16:15,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:16:15,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:16:15,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:16:15,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:16:15,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:16:15,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:16:15,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:16:15,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:16:15,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:16:15,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:16:15,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:16:15,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:16:15,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:16:15,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:16:15,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:16:15,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:16:15,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:16:15,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:16:15,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:16:15,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:16:15,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:16:15,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:16:15,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:16:15,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:16:15,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:16:15,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:16:15,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:16:15,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:16:15,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:16:15,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:16:15,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:16:15,279 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:16:15,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:16:15,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:16:15,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:16:15,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:16:15,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:16:15,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:16:15,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:16:15,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:16:15,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:16:15,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:16:15,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:16:15,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:16:15,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:16:15,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:16:15,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:16:15,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:16:15,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:16:15,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:16:15,287 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:16:15,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:16:15,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:16:15,289 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_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 463dbca1530ea0e57c159e9405d50f794488f63283b3e27908f44b92b1921358 [2022-11-02 20:16:15,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:16:15,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:16:15,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:16:15,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:16:15,707 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:16:15,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-02 20:16:15,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/data/3d94c1591/1ffd0a4bddcf4ca7b3702db5239b7d9e/FLAG52f2bb77d [2022-11-02 20:16:16,857 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:16:16,858 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-02 20:16:16,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/data/3d94c1591/1ffd0a4bddcf4ca7b3702db5239b7d9e/FLAG52f2bb77d [2022-11-02 20:16:17,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/data/3d94c1591/1ffd0a4bddcf4ca7b3702db5239b7d9e [2022-11-02 20:16:17,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:16:17,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:16:17,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:16:17,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:16:17,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:16:17,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:16:17" (1/1) ... [2022-11-02 20:16:17,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcae193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:17, skipping insertion in model container [2022-11-02 20:16:17,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:16:17" (1/1) ... [2022-11-02 20:16:17,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:16:17,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:16:22,439 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_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487146,487159] [2022-11-02 20:16:22,442 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_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487315,487328] [2022-11-02 20:16:22,443 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_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487482,487495] [2022-11-02 20:16:22,443 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_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487650,487663] [2022-11-02 20:16:22,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:16:22,510 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:16:23,070 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_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487146,487159] [2022-11-02 20:16:23,070 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_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487315,487328] [2022-11-02 20:16:23,071 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_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487482,487495] [2022-11-02 20:16:23,071 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_311bc0e2-6a72-441f-8328-255529ee5fe7/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487650,487663] [2022-11-02 20:16:23,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:16:23,466 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:16:23,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23 WrapperNode [2022-11-02 20:16:23,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:16:23,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:16:23,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:16:23,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:16:23,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:23,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,052 INFO L138 Inliner]: procedures = 676, calls = 4210, calls flagged for inlining = 325, calls inlined = 302, statements flattened = 10119 [2022-11-02 20:16:24,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:16:24,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:16:24,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:16:24,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:16:24,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,351 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:16:24,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:16:24,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:16:24,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:16:24,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:24,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:16:24,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:16:24,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:16:24,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311bc0e2-6a72-441f-8328-255529ee5fe7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:16:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 20:16:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 20:16:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2022-11-02 20:16:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2022-11-02 20:16:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2022-11-02 20:16:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2022-11-02 20:16:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_121 [2022-11-02 20:16:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_121 [2022-11-02 20:16:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:16:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:16:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:16:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:16:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-02 20:16:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-02 20:16:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-02 20:16:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-02 20:16:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:16:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:16:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2022-11-02 20:16:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2022-11-02 20:16:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2022-11-02 20:16:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2022-11-02 20:16:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-02 20:16:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-02 20:16:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2022-11-02 20:16:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2022-11-02 20:16:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-02 20:16:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-02 20:16:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:16:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:16:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_147 [2022-11-02 20:16:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_147 [2022-11-02 20:16:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-02 20:16:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-02 20:16:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:16:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:16:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:16:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:16:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2022-11-02 20:16:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2022-11-02 20:16:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:16:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:16:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:16:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:16:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2022-11-02 20:16:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2022-11-02 20:16:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2022-11-02 20:16:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2022-11-02 20:16:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-02 20:16:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-02 20:16:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2022-11-02 20:16:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2022-11-02 20:16:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2022-11-02 20:16:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2022-11-02 20:16:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2022-11-02 20:16:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2022-11-02 20:16:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-02 20:16:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-02 20:16:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2022-11-02 20:16:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2022-11-02 20:16:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2022-11-02 20:16:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2022-11-02 20:16:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-02 20:16:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-02 20:16:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-02 20:16:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-02 20:16:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:16:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:16:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:16:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:16:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2022-11-02 20:16:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2022-11-02 20:16:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:16:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:16:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:16:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:16:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2022-11-02 20:16:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2022-11-02 20:16:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-02 20:16:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-02 20:16:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:16:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:16:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:16:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:16:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:16:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:16:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-02 20:16:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-02 20:16:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:16:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-11-02 20:16:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-11-02 20:16:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-02 20:16:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-02 20:16:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2022-11-02 20:16:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2022-11-02 20:16:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:16:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:16:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 20:16:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 20:16:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2022-11-02 20:16:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2022-11-02 20:16:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2022-11-02 20:16:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2022-11-02 20:16:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:16:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:16:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2022-11-02 20:16:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2022-11-02 20:16:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:16:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:16:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:16:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2022-11-02 20:16:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2022-11-02 20:16:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2022-11-02 20:16:24,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2022-11-02 20:16:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:16:24,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:16:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2022-11-02 20:16:24,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2022-11-02 20:16:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2022-11-02 20:16:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2022-11-02 20:16:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:16:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:16:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:16:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:16:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:16:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2022-11-02 20:16:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2022-11-02 20:16:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:16:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:16:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:16:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2022-11-02 20:16:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2022-11-02 20:16:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:16:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:16:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:16:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:16:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:16:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:16:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-02 20:16:24,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-02 20:16:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2022-11-02 20:16:24,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2022-11-02 20:16:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2022-11-02 20:16:24,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2022-11-02 20:16:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-11-02 20:16:24,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-11-02 20:16:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:16:24,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:16:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:16:24,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:16:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:16:24,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:16:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-02 20:16:24,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-02 20:16:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:16:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-02 20:16:24,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-02 20:16:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:16:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-02 20:16:24,591 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-02 20:16:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:16:24,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:16:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:16:24,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:16:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:16:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:16:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:16:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:16:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2022-11-02 20:16:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2022-11-02 20:16:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure cas_link_timer [2022-11-02 20:16:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_link_timer [2022-11-02 20:16:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2022-11-02 20:16:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2022-11-02 20:16:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-02 20:16:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-02 20:16:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:16:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:16:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:16:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:16:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-02 20:16:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-02 20:16:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-11-02 20:16:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-11-02 20:16:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 20:16:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 20:16:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:16:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:16:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 20:16:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 20:16:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 20:16:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 20:16:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2022-11-02 20:16:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2022-11-02 20:16:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-02 20:16:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-02 20:16:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:16:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:16:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2022-11-02 20:16:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2022-11-02 20:16:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2022-11-02 20:16:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2022-11-02 20:16:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:16:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:16:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2022-11-02 20:16:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2022-11-02 20:16:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:16:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:16:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:16:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:16:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:16:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:16:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:16:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:16:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2022-11-02 20:16:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2022-11-02 20:16:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:16:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:16:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2022-11-02 20:16:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2022-11-02 20:16:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:16:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:16:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2022-11-02 20:16:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2022-11-02 20:16:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2022-11-02 20:16:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2022-11-02 20:16:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2022-11-02 20:16:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2022-11-02 20:16:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-02 20:16:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-02 20:16:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-11-02 20:16:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-11-02 20:16:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:16:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:16:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:16:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:16:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:16:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:16:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:16:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:16:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2022-11-02 20:16:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2022-11-02 20:16:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2022-11-02 20:16:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2022-11-02 20:16:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2022-11-02 20:16:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2022-11-02 20:16:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:16:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:16:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:16:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2022-11-02 20:16:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2022-11-02 20:16:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:16:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2022-11-02 20:16:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2022-11-02 20:16:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2022-11-02 20:16:24,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2022-11-02 20:16:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2022-11-02 20:16:24,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2022-11-02 20:16:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-11-02 20:16:24,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-11-02 20:16:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-02 20:16:24,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-02 20:16:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2022-11-02 20:16:24,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2022-11-02 20:16:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:16:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-02 20:16:24,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-02 20:16:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2022-11-02 20:16:24,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2022-11-02 20:16:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:16:24,607 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:16:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:16:24,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:16:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:16:24,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:16:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2022-11-02 20:16:24,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2022-11-02 20:16:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2022-11-02 20:16:24,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2022-11-02 20:16:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2022-11-02 20:16:24,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2022-11-02 20:16:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-02 20:16:24,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-02 20:16:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2022-11-02 20:16:24,609 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2022-11-02 20:16:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_83 [2022-11-02 20:16:24,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_83 [2022-11-02 20:16:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-02 20:16:24,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-02 20:16:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:16:24,610 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:16:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-02 20:16:24,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-02 20:16:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:16:24,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:16:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2022-11-02 20:16:24,611 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2022-11-02 20:16:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:16:24,611 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:16:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-11-02 20:16:24,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-11-02 20:16:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2022-11-02 20:16:24,611 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2022-11-02 20:16:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2022-11-02 20:16:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2022-11-02 20:16:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-02 20:16:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-02 20:16:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:16:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:16:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2022-11-02 20:16:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2022-11-02 20:16:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:16:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:16:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2022-11-02 20:16:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2022-11-02 20:16:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:16:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:16:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:16:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-02 20:16:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-02 20:16:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-11-02 20:16:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-11-02 20:16:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2022-11-02 20:16:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2022-11-02 20:16:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:16:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:16:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2022-11-02 20:16:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2022-11-02 20:16:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2022-11-02 20:16:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2022-11-02 20:16:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2022-11-02 20:16:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2022-11-02 20:16:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 20:16:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 20:16:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2022-11-02 20:16:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2022-11-02 20:16:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:16:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:16:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 20:16:24,617 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 20:16:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 20:16:24,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 20:16:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2022-11-02 20:16:24,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2022-11-02 20:16:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-02 20:16:24,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-02 20:16:24,618 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:16:24,618 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:16:24,618 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2022-11-02 20:16:24,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2022-11-02 20:16:24,618 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:16:24,618 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:16:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-02 20:16:24,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-02 20:16:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:16:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:16:24,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:16:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-02 20:16:24,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-02 20:16:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-02 20:16:24,620 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-02 20:16:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-11-02 20:16:24,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-11-02 20:16:26,056 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:16:26,066 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:16:26,687 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:20:21,261 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:20:21,316 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:20:21,316 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:20:21,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:20:21 BoogieIcfgContainer [2022-11-02 20:20:21,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:20:21,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:20:21,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:20:21,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:20:21,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:16:17" (1/3) ... [2022-11-02 20:20:21,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10da4612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:20:21, skipping insertion in model container [2022-11-02 20:20:21,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23" (2/3) ... [2022-11-02 20:20:21,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10da4612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:20:21, skipping insertion in model container [2022-11-02 20:20:21,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:20:21" (3/3) ... [2022-11-02 20:20:21,337 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-02 20:20:21,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:20:21,358 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 20:20:21,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:20:21,496 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;@5c42cad6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:20:21,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 20:20:21,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 3611 states, 2370 states have (on average 1.2831223628691983) internal successors, (3041), 2451 states have internal predecessors, (3041), 1066 states have call successors, (1066), 173 states have call predecessors, (1066), 172 states have return successors, (1062), 1048 states have call predecessors, (1062), 1062 states have call successors, (1062) [2022-11-02 20:20:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 20:20:21,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:21,526 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:20:21,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:20:21,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:21,536 INFO L85 PathProgramCache]: Analyzing trace with hash 488379236, now seen corresponding path program 1 times [2022-11-02 20:20:21,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:21,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144019093] [2022-11-02 20:20:21,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:21,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:20:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:20:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:20:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:20:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:24,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:20:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:24,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:20:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 20:20:24,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:24,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144019093] [2022-11-02 20:20:24,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144019093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:24,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:24,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:20:24,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151388268] [2022-11-02 20:20:24,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:24,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:20:24,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:24,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:20:24,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:20:24,206 INFO L87 Difference]: Start difference. First operand has 3611 states, 2370 states have (on average 1.2831223628691983) internal successors, (3041), 2451 states have internal predecessors, (3041), 1066 states have call successors, (1066), 173 states have call predecessors, (1066), 172 states have return successors, (1062), 1048 states have call predecessors, (1062), 1062 states have call successors, (1062) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:20:25,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:25,024 INFO L93 Difference]: Finished difference Result 10186 states and 15111 transitions. [2022-11-02 20:20:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:20:25,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2022-11-02 20:20:25,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:25,081 INFO L225 Difference]: With dead ends: 10186 [2022-11-02 20:20:25,081 INFO L226 Difference]: Without dead ends: 6583 [2022-11-02 20:20:25,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:20:25,117 INFO L413 NwaCegarLoop]: 6154 mSDtfsCounter, 4881 mSDsluCounter, 16825 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4900 SdHoareTripleChecker+Valid, 22979 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:20:25,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4900 Valid, 22979 Invalid, 31 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:20:25,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6583 states. [2022-11-02 20:20:25,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6583 to 6575. [2022-11-02 20:20:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6575 states, 4309 states have (on average 1.2703643536783475) internal successors, (5474), 4464 states have internal predecessors, (5474), 1936 states have call successors, (1936), 336 states have call predecessors, (1936), 327 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-11-02 20:20:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6575 states to 6575 states and 9424 transitions. [2022-11-02 20:20:25,690 INFO L78 Accepts]: Start accepts. Automaton has 6575 states and 9424 transitions. Word has length 50 [2022-11-02 20:20:25,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:25,692 INFO L495 AbstractCegarLoop]: Abstraction has 6575 states and 9424 transitions. [2022-11-02 20:20:25,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:20:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 6575 states and 9424 transitions. [2022-11-02 20:20:25,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:20:25,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:25,697 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:20:25,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:20:25,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:20:25,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:25,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1966173741, now seen corresponding path program 1 times [2022-11-02 20:20:25,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:25,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180102444] [2022-11-02 20:20:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:25,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:20:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:20:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:20:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:20:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:20:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:20:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:20:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 20:20:27,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:27,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180102444] [2022-11-02 20:20:27,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180102444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:27,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:27,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:20:27,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756369777] [2022-11-02 20:20:27,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:27,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:20:27,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:27,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:20:27,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:20:27,290 INFO L87 Difference]: Start difference. First operand 6575 states and 9424 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:20:27,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:27,800 INFO L93 Difference]: Finished difference Result 6585 states and 9433 transitions. [2022-11-02 20:20:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:20:27,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2022-11-02 20:20:27,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:27,844 INFO L225 Difference]: With dead ends: 6585 [2022-11-02 20:20:27,844 INFO L226 Difference]: Without dead ends: 6583 [2022-11-02 20:20:27,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:20:27,851 INFO L413 NwaCegarLoop]: 5099 mSDtfsCounter, 5062 mSDsluCounter, 10172 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5079 SdHoareTripleChecker+Valid, 15271 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:20:27,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5079 Valid, 15271 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:20:27,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6583 states. [2022-11-02 20:20:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6583 to 6583. [2022-11-02 20:20:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6583 states, 4315 states have (on average 1.2699884125144845) internal successors, (5480), 4470 states have internal predecessors, (5480), 1936 states have call successors, (1936), 338 states have call predecessors, (1936), 329 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-11-02 20:20:28,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6583 states to 6583 states and 9430 transitions. [2022-11-02 20:20:28,285 INFO L78 Accepts]: Start accepts. Automaton has 6583 states and 9430 transitions. Word has length 55 [2022-11-02 20:20:28,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:28,286 INFO L495 AbstractCegarLoop]: Abstraction has 6583 states and 9430 transitions. [2022-11-02 20:20:28,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:20:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 6583 states and 9430 transitions. [2022-11-02 20:20:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-02 20:20:28,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:28,288 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:20:28,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:20:28,289 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:20:28,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:28,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1669212028, now seen corresponding path program 1 times [2022-11-02 20:20:28,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:28,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101640041] [2022-11-02 20:20:28,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:28,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:20:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:20:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:20:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:20:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:20:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:20:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:20:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:20:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-02 20:20:29,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:29,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101640041] [2022-11-02 20:20:29,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101640041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:29,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:29,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:20:29,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639655322] [2022-11-02 20:20:29,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:29,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:20:29,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:29,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:20:29,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:20:29,863 INFO L87 Difference]: Start difference. First operand 6583 states and 9430 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 20:20:30,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:30,473 INFO L93 Difference]: Finished difference Result 6593 states and 9439 transitions. [2022-11-02 20:20:30,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:20:30,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2022-11-02 20:20:30,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:30,526 INFO L225 Difference]: With dead ends: 6593 [2022-11-02 20:20:30,527 INFO L226 Difference]: Without dead ends: 6591 [2022-11-02 20:20:30,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:20:30,539 INFO L413 NwaCegarLoop]: 5099 mSDtfsCounter, 5062 mSDsluCounter, 10172 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5078 SdHoareTripleChecker+Valid, 15271 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:20:30,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5078 Valid, 15271 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:20:30,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6591 states. [2022-11-02 20:20:30,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6591 to 6591. [2022-11-02 20:20:31,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6591 states, 4321 states have (on average 1.269613515389956) internal successors, (5486), 4476 states have internal predecessors, (5486), 1936 states have call successors, (1936), 340 states have call predecessors, (1936), 331 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-11-02 20:20:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6591 states to 6591 states and 9436 transitions. [2022-11-02 20:20:31,059 INFO L78 Accepts]: Start accepts. Automaton has 6591 states and 9436 transitions. Word has length 60 [2022-11-02 20:20:31,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:31,059 INFO L495 AbstractCegarLoop]: Abstraction has 6591 states and 9436 transitions. [2022-11-02 20:20:31,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 20:20:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 6591 states and 9436 transitions. [2022-11-02 20:20:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-02 20:20:31,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:31,070 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:20:31,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:20:31,070 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:20:31,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:31,071 INFO L85 PathProgramCache]: Analyzing trace with hash 63716950, now seen corresponding path program 1 times [2022-11-02 20:20:31,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:31,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058103734] [2022-11-02 20:20:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:20:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:20:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:20:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:20:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:20:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:20:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:20:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:20:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 20:20:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-02 20:20:32,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:32,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058103734] [2022-11-02 20:20:32,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058103734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:32,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:32,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:20:32,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409594328] [2022-11-02 20:20:32,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:32,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:20:32,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:32,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:20:32,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:20:32,818 INFO L87 Difference]: Start difference. First operand 6591 states and 9436 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:20:33,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:33,357 INFO L93 Difference]: Finished difference Result 6601 states and 9445 transitions. [2022-11-02 20:20:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:20:33,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2022-11-02 20:20:33,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:33,417 INFO L225 Difference]: With dead ends: 6601 [2022-11-02 20:20:33,417 INFO L226 Difference]: Without dead ends: 6599 [2022-11-02 20:20:33,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:20:33,424 INFO L413 NwaCegarLoop]: 5099 mSDtfsCounter, 5055 mSDsluCounter, 10172 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5070 SdHoareTripleChecker+Valid, 15271 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:20:33,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5070 Valid, 15271 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:20:33,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6599 states. [2022-11-02 20:20:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6599 to 6599. [2022-11-02 20:20:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6599 states, 4327 states have (on average 1.2692396579616363) internal successors, (5492), 4482 states have internal predecessors, (5492), 1936 states have call successors, (1936), 342 states have call predecessors, (1936), 333 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-11-02 20:20:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6599 states to 6599 states and 9442 transitions. [2022-11-02 20:20:33,891 INFO L78 Accepts]: Start accepts. Automaton has 6599 states and 9442 transitions. Word has length 72 [2022-11-02 20:20:33,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:33,893 INFO L495 AbstractCegarLoop]: Abstraction has 6599 states and 9442 transitions. [2022-11-02 20:20:33,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:20:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 6599 states and 9442 transitions. [2022-11-02 20:20:33,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-02 20:20:33,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:33,896 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:20:33,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:20:33,897 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:20:33,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:33,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1640143452, now seen corresponding path program 1 times [2022-11-02 20:20:33,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:33,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714806320] [2022-11-02 20:20:33,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:33,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms