./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y --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 c5b0d1bb6abf00f856e27261b150a3be237701039761971659caf0639a1797fb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:54:15,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:54:15,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:54:15,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:54:15,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:54:15,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:54:15,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:54:15,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:54:15,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:54:15,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:54:15,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:54:15,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:54:16,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:54:16,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:54:16,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:54:16,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:54:16,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:54:16,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:54:16,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:54:16,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:54:16,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:54:16,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:54:16,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:54:16,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:54:16,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:54:16,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:54:16,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:54:16,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:54:16,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:54:16,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:54:16,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:54:16,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:54:16,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:54:16,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:54:16,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:54:16,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:54:16,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:54:16,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:54:16,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:54:16,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:54:16,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:54:16,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:54:16,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:54:16,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:54:16,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:54:16,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:54:16,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:54:16,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:54:16,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:54:16,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:54:16,101 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:54:16,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:54:16,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:54:16,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:54:16,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:54:16,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:54:16,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:54:16,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:54:16,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:54:16,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:54:16,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:54:16,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:54:16,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:54:16,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:54:16,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:54:16,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:54:16,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:54:16,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:54:16,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:54:16,107 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:54:16,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:54:16,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:54:16,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:54:16,109 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5b0d1bb6abf00f856e27261b150a3be237701039761971659caf0639a1797fb [2021-11-13 17:54:16,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:54:16,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:54:16,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:54:16,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:54:16,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:54:16,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i [2021-11-13 17:54:16,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/data/c140d7cc5/b6d9c7602f284ba89a0696b7caa49cc2/FLAG5032d02a7 [2021-11-13 17:54:17,455 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:54:17,455 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i [2021-11-13 17:54:17,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/data/c140d7cc5/b6d9c7602f284ba89a0696b7caa49cc2/FLAG5032d02a7 [2021-11-13 17:54:17,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/data/c140d7cc5/b6d9c7602f284ba89a0696b7caa49cc2 [2021-11-13 17:54:17,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:54:17,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:54:17,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:54:17,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:54:17,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:54:17,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:54:17" (1/1) ... [2021-11-13 17:54:17,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ae844b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:17, skipping insertion in model container [2021-11-13 17:54:17,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:54:17" (1/1) ... [2021-11-13 17:54:17,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:54:18,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:54:21,641 WARN L228 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i[380944,380957] [2021-11-13 17:54:21,644 WARN L228 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i[381110,381123] [2021-11-13 17:54:21,646 WARN L228 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i[381274,381287] [2021-11-13 17:54:21,646 WARN L228 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i[381439,381452] [2021-11-13 17:54:21,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:54:21,767 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:54:22,308 WARN L228 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i[380944,380957] [2021-11-13 17:54:22,309 WARN L228 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i[381110,381123] [2021-11-13 17:54:22,309 WARN L228 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i[381274,381287] [2021-11-13 17:54:22,310 WARN L228 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_943bfaf3-c7be-405b-860c-0e28bd84f5a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i[381439,381452] [2021-11-13 17:54:22,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:54:22,646 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:54:22,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22 WrapperNode [2021-11-13 17:54:22,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:54:22,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:54:22,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:54:22,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:54:22,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:54:23,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:54:23,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:54:23,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:54:23,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:54:23,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:54:23,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:54:23,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:54:23,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:23,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:54:23,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:23,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:23,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943bfaf3-c7be-405b-860c-0e28bd84f5a5/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:54:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 17:54:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 17:54:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 17:54:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 17:54:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-13 17:54:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-13 17:54:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 17:54:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 17:54:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:54:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:54:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 17:54:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 17:54:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2021-11-13 17:54:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2021-11-13 17:54:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-13 17:54:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-13 17:54:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 17:54:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 17:54:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-13 17:54:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-13 17:54:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 17:54:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 17:54:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-13 17:54:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-13 17:54:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2021-11-13 17:54:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2021-11-13 17:54:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-13 17:54:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-13 17:54:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-13 17:54:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-13 17:54:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2021-11-13 17:54:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2021-11-13 17:54:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 17:54:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 17:54:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 17:54:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 17:54:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 17:54:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 17:54:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-13 17:54:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-13 17:54:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 17:54:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 17:54:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 17:54:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 17:54:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-13 17:54:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-13 17:54:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 17:54:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 17:54:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:54:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-13 17:54:23,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-13 17:54:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2021-11-13 17:54:23,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2021-11-13 17:54:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 17:54:23,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 17:54:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 17:54:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 17:54:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-13 17:54:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-13 17:54:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2021-11-13 17:54:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2021-11-13 17:54:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 17:54:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 17:54:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 17:54:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 17:54:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 17:54:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2021-11-13 17:54:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2021-11-13 17:54:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:54:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 17:54:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 17:54:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 17:54:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 17:54:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 17:54:23,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 17:54:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2021-11-13 17:54:23,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2021-11-13 17:54:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-13 17:54:23,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-13 17:54:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 17:54:23,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 17:54:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 17:54:23,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 17:54:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2021-11-13 17:54:23,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2021-11-13 17:54:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2021-11-13 17:54:23,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2021-11-13 17:54:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:54:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 17:54:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 17:54:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 17:54:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 17:54:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 17:54:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 17:54:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-13 17:54:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-13 17:54:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-13 17:54:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-13 17:54:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 17:54:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 17:54:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 17:54:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 17:54:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:54:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 17:54:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-13 17:54:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-13 17:54:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:54:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:54:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-13 17:54:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-13 17:54:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2021-11-13 17:54:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2021-11-13 17:54:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:54:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:54:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2021-11-13 17:54:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2021-11-13 17:54:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-13 17:54:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-13 17:54:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 17:54:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 17:54:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-13 17:54:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-13 17:54:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 17:54:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 17:54:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 17:54:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 17:54:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-13 17:54:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-13 17:54:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 17:54:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 17:54:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2021-11-13 17:54:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2021-11-13 17:54:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2021-11-13 17:54:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2021-11-13 17:54:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-13 17:54:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-13 17:54:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:54:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:54:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-13 17:54:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-13 17:54:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 17:54:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 17:54:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:54:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:54:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:54:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 17:54:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2021-11-13 17:54:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2021-11-13 17:54:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-13 17:54:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-13 17:54:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:54:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:54:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2021-11-13 17:54:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2021-11-13 17:54:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-11-13 17:54:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-11-13 17:54:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 17:54:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 17:54:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2021-11-13 17:54:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2021-11-13 17:54:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-13 17:54:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-13 17:54:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-13 17:54:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-13 17:54:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2021-11-13 17:54:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2021-11-13 17:54:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_task_lock_of_rhine_private [2021-11-13 17:54:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_task_lock_of_rhine_private [2021-11-13 17:54:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 17:54:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 17:54:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:54:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 17:54:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 17:54:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 17:54:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 17:54:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:54:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2021-11-13 17:54:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2021-11-13 17:54:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2021-11-13 17:54:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2021-11-13 17:54:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:54:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-11-13 17:54:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-11-13 17:54:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2021-11-13 17:54:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2021-11-13 17:54:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 17:54:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 17:54:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-13 17:54:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-13 17:54:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2021-11-13 17:54:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2021-11-13 17:54:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2021-11-13 17:54:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2021-11-13 17:54:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 17:54:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 17:54:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 17:54:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 17:54:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-13 17:54:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-13 17:54:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 17:54:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 17:54:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 17:54:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 17:54:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 17:54:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 17:54:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 17:54:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 17:54:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 17:54:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 17:54:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 17:54:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 17:54:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2021-11-13 17:54:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2021-11-13 17:54:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2021-11-13 17:54:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2021-11-13 17:54:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 17:54:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 17:54:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2021-11-13 17:54:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2021-11-13 17:54:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 17:54:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 17:54:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:54:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-13 17:54:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-13 17:54:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 17:54:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 17:54:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-13 17:54:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-13 17:54:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 17:54:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 17:54:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_task_lock_of_rhine_private [2021-11-13 17:54:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_task_lock_of_rhine_private [2021-11-13 17:54:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2021-11-13 17:54:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2021-11-13 17:54:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2021-11-13 17:54:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2021-11-13 17:54:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2021-11-13 17:54:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2021-11-13 17:54:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2021-11-13 17:54:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2021-11-13 17:54:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 17:54:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 17:54:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 17:54:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 17:54:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-13 17:54:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-13 17:54:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-13 17:54:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-13 17:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2021-11-13 17:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2021-11-13 17:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2021-11-13 17:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2021-11-13 17:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 17:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 17:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-13 17:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-13 17:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:54:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2021-11-13 17:54:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2021-11-13 17:54:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2021-11-13 17:54:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2021-11-13 17:54:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 17:54:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 17:54:24,765 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:07:52,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 18:07:53,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:07:53,061 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 18:07:53,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:53 BoogieIcfgContainer [2021-11-13 18:07:53,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:07:53,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:07:53,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:07:53,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:07:53,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:54:17" (1/3) ... [2021-11-13 18:07:53,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2511f41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:07:53, skipping insertion in model container [2021-11-13 18:07:53,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (2/3) ... [2021-11-13 18:07:53,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2511f41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:07:53, skipping insertion in model container [2021-11-13 18:07:53,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:53" (3/3) ... [2021-11-13 18:07:53,075 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-via-via-rhine.cil.i [2021-11-13 18:07:53,081 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:07:53,081 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 18:07:53,161 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:07:53,168 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:07:53,169 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 18:07:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand has 2217 states, 1510 states have (on average 1.276158940397351) internal successors, (1927), 1559 states have internal predecessors, (1927), 582 states have call successors, (582), 124 states have call predecessors, (582), 123 states have return successors, (573), 560 states have call predecessors, (573), 573 states have call successors, (573) [2021-11-13 18:07:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-13 18:07:53,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:53,278 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:07:53,279 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 18:07:53,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:53,285 INFO L85 PathProgramCache]: Analyzing trace with hash -890164547, now seen corresponding path program 1 times [2021-11-13 18:07:53,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:53,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808224820] [2021-11-13 18:07:53,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:53,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:07:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:07:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:07:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:07:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:07:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:07:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:07:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:07:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:07:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:07:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:07:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:07:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:07:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:07:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-13 18:07:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-13 18:07:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-13 18:07:55,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:55,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808224820] [2021-11-13 18:07:55,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808224820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:55,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:55,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:07:55,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494327733] [2021-11-13 18:07:55,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:55,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:07:55,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:55,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:07:55,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:07:55,351 INFO L87 Difference]: Start difference. First operand has 2217 states, 1510 states have (on average 1.276158940397351) internal successors, (1927), 1559 states have internal predecessors, (1927), 582 states have call successors, (582), 124 states have call predecessors, (582), 123 states have return successors, (573), 560 states have call predecessors, (573), 573 states have call successors, (573) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-13 18:07:57,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:59,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:07,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:08:07,310 INFO L93 Difference]: Finished difference Result 6528 states and 9337 transitions. [2021-11-13 18:08:07,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:08:07,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 184 [2021-11-13 18:08:07,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:08:07,394 INFO L225 Difference]: With dead ends: 6528 [2021-11-13 18:08:07,394 INFO L226 Difference]: Without dead ends: 4331 [2021-11-13 18:08:07,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:08:07,426 INFO L933 BasicCegarLoop]: 3175 mSDtfsCounter, 3732 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 1739 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9907.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 6525 SdHoareTripleChecker+Invalid, 3727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 103.06ms SdHoareTripleChecker+Time, 1739 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11229.69ms IncrementalHoareTripleChecker+Time [2021-11-13 18:08:07,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4225 Valid, 6525 Invalid, 3727 Unknown, 0 Unchecked, 103.06ms Time], IncrementalHoareTripleChecker [1739 Valid, 1986 Invalid, 2 Unknown, 0 Unchecked, 11229.69ms Time] [2021-11-13 18:08:07,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2021-11-13 18:08:07,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 4227. [2021-11-13 18:08:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4227 states, 2878 states have (on average 1.2602501737317582) internal successors, (3627), 2973 states have internal predecessors, (3627), 1104 states have call successors, (1104), 243 states have call predecessors, (1104), 242 states have return successors, (1100), 1074 states have call predecessors, (1100), 1100 states have call successors, (1100) [2021-11-13 18:08:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 4227 states and 5831 transitions. [2021-11-13 18:08:07,848 INFO L78 Accepts]: Start accepts. Automaton has 4227 states and 5831 transitions. Word has length 184 [2021-11-13 18:08:07,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:08:07,852 INFO L470 AbstractCegarLoop]: Abstraction has 4227 states and 5831 transitions. [2021-11-13 18:08:07,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-13 18:08:07,853 INFO L276 IsEmpty]: Start isEmpty. Operand 4227 states and 5831 transitions. [2021-11-13 18:08:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-13 18:08:07,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:08:07,865 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:08:07,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:08:07,865 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 18:08:07,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:08:07,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1173083363, now seen corresponding path program 1 times [2021-11-13 18:08:07,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:08:07,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904347508] [2021-11-13 18:08:07,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:08:07,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:08:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:08:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:08:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:08:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:08:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:08:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:08:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:08:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:08:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:08:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:08:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:08:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:08:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:08:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:08:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-13 18:08:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-13 18:08:09,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:08:09,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904347508] [2021-11-13 18:08:09,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904347508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:08:09,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:08:09,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:08:09,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340749556] [2021-11-13 18:08:09,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:08:09,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:08:09,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:08:09,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:08:09,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:08:09,154 INFO L87 Difference]: Start difference. First operand 4227 states and 5831 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 18:08:11,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:13,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:20,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:08:20,279 INFO L93 Difference]: Finished difference Result 12279 states and 17031 transitions. [2021-11-13 18:08:20,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:08:20,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 186 [2021-11-13 18:08:20,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:08:20,365 INFO L225 Difference]: With dead ends: 12279 [2021-11-13 18:08:20,365 INFO L226 Difference]: Without dead ends: 8085 [2021-11-13 18:08:20,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:08:20,390 INFO L933 BasicCegarLoop]: 3202 mSDtfsCounter, 3300 mSDsluCounter, 3289 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 1615 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9434.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3769 SdHoareTripleChecker+Valid, 6491 SdHoareTripleChecker+Invalid, 3641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 67.55ms SdHoareTripleChecker+Time, 1615 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10508.15ms IncrementalHoareTripleChecker+Time [2021-11-13 18:08:20,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3769 Valid, 6491 Invalid, 3641 Unknown, 0 Unchecked, 67.55ms Time], IncrementalHoareTripleChecker [1615 Valid, 2024 Invalid, 2 Unknown, 0 Unchecked, 10508.15ms Time] [2021-11-13 18:08:20,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8085 states. [2021-11-13 18:08:20,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8085 to 7880. [2021-11-13 18:08:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7880 states, 5343 states have (on average 1.2543514879281303) internal successors, (6702), 5517 states have internal predecessors, (6702), 2059 states have call successors, (2059), 476 states have call predecessors, (2059), 475 states have return successors, (2055), 2004 states have call predecessors, (2055), 2055 states have call successors, (2055) [2021-11-13 18:08:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7880 states to 7880 states and 10816 transitions. [2021-11-13 18:08:20,917 INFO L78 Accepts]: Start accepts. Automaton has 7880 states and 10816 transitions. Word has length 186 [2021-11-13 18:08:20,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:08:20,918 INFO L470 AbstractCegarLoop]: Abstraction has 7880 states and 10816 transitions. [2021-11-13 18:08:20,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 18:08:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 7880 states and 10816 transitions. [2021-11-13 18:08:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-13 18:08:20,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:08:20,924 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:08:20,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:08:20,924 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 18:08:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:08:20,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2097339821, now seen corresponding path program 1 times [2021-11-13 18:08:20,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:08:20,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808303643] [2021-11-13 18:08:20,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:08:20,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:08:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:08:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:08:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:08:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:08:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:08:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:08:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:08:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:08:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:08:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:08:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:08:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:08:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:08:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:08:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-13 18:08:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-13 18:08:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-13 18:08:22,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:08:22,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808303643] [2021-11-13 18:08:22,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808303643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:08:22,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:08:22,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:08:22,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476345857] [2021-11-13 18:08:22,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:08:22,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:08:22,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:08:22,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:08:22,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:08:22,223 INFO L87 Difference]: Start difference. First operand 7880 states and 10816 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-13 18:08:24,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:26,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []